MAYBE Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-21 22:44:38,515 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-21 22:44:38,517 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-21 22:44:38,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-21 22:44:38,529 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-21 22:44:38,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-21 22:44:38,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-21 22:44:38,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-21 22:44:38,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-21 22:44:38,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-21 22:44:38,536 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-21 22:44:38,536 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-21 22:44:38,537 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-21 22:44:38,538 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-21 22:44:38,539 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-21 22:44:38,539 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-21 22:44:38,540 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-21 22:44:38,542 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-21 22:44:38,544 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-21 22:44:38,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-21 22:44:38,546 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-21 22:44:38,547 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-21 22:44:38,549 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-21 22:44:38,550 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-21 22:44:38,550 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-21 22:44:38,550 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-21 22:44:38,551 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-21 22:44:38,552 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-21 22:44:38,552 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-21 22:44:38,553 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-21 22:44:38,553 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-21 22:44:38,554 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-21 22:44:38,555 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-21 22:44:38,555 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-21 22:44:38,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-21 22:44:38,556 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-21 22:44:38,556 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-21 22:44:38,557 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-21 22:44:38,558 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-21 22:44:38,558 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-21 22:44:38,573 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-21 22:44:38,573 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-21 22:44:38,574 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-21 22:44:38,574 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-21 22:44:38,574 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-21 22:44:38,574 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-21 22:44:38,575 INFO L133 SettingsManager]: * Use SBE=true [2020-06-21 22:44:38,575 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-21 22:44:38,575 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-21 22:44:38,575 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-21 22:44:38,575 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-21 22:44:38,575 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-21 22:44:38,576 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-21 22:44:38,576 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-21 22:44:38,576 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:38,576 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-21 22:44:38,576 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-21 22:44:38,576 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-21 22:44:38,577 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-21 22:44:38,577 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-21 22:44:38,577 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-21 22:44:38,577 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-21 22:44:38,577 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-21 22:44:38,577 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-21 22:44:38,578 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-21 22:44:38,578 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-21 22:44:38,578 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-21 22:44:38,578 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-21 22:44:38,578 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-21 22:44:38,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-21 22:44:38,617 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-21 22:44:38,620 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-21 22:44:38,622 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-21 22:44:38,622 INFO L276 PluginConnector]: CDTParser initialized [2020-06-21 22:44:38,623 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-21 22:44:38,686 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/9c22d752f1a6498c8a7d49de2bc3d224/FLAG861516d04 !SESSION 2020-06-21 22:44:36.185 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.cdt.core 1 0 2020-06-21 22:44:38.950 !MESSAGE Indexed 'FLAG861516d04' (0 sources, 0 headers) in 0.006 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) [2020-06-21 22:44:39,034 INFO L307 CDTParser]: Found 1 translation units. [2020-06-21 22:44:39,034 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-21 22:44:39,041 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/9c22d752f1a6498c8a7d49de2bc3d224/FLAG861516d04 [2020-06-21 22:44:39,487 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/9c22d752f1a6498c8a7d49de2bc3d224 [2020-06-21 22:44:39,499 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-21 22:44:39,500 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-21 22:44:39,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-21 22:44:39,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-21 22:44:39,506 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-21 22:44:39,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:44:39" (1/1) ... [2020-06-21 22:44:39,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ade0951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39, skipping insertion in model container [2020-06-21 22:44:39,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 10:44:39" (1/1) ... [2020-06-21 22:44:39,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-21 22:44:39,534 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-21 22:44:39,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 22:44:39,698 INFO L191 MainTranslator]: Completed pre-run [2020-06-21 22:44:39,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-21 22:44:39,788 INFO L195 MainTranslator]: Completed translation [2020-06-21 22:44:39,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39 WrapperNode [2020-06-21 22:44:39,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-21 22:44:39,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-21 22:44:39,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-21 22:44:39,790 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-21 22:44:39,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39" (1/1) ... [2020-06-21 22:44:39,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39" (1/1) ... [2020-06-21 22:44:39,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-21 22:44:39,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-21 22:44:39,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-21 22:44:39,826 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-21 22:44:39,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39" (1/1) ... [2020-06-21 22:44:39,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39" (1/1) ... [2020-06-21 22:44:39,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39" (1/1) ... [2020-06-21 22:44:39,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39" (1/1) ... [2020-06-21 22:44:39,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39" (1/1) ... [2020-06-21 22:44:39,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39" (1/1) ... [2020-06-21 22:44:39,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39" (1/1) ... [2020-06-21 22:44:39,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-21 22:44:39,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-21 22:44:39,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-21 22:44:39,847 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-21 22:44:39,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-21 22:44:39,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-21 22:44:39,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-21 22:44:40,047 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-21 22:44:40,048 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-21 22:44:40,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:44:40 BoogieIcfgContainer [2020-06-21 22:44:40,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-21 22:44:40,050 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-21 22:44:40,050 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-21 22:44:40,052 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-21 22:44:40,053 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:44:40" (1/1) ... [2020-06-21 22:44:40,068 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-21 22:44:40,070 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-21 22:44:40,070 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-21 22:44:40,071 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-21 22:44:40,071 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-21 22:44:40,073 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-21 22:44:40,074 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-21 22:44:40,074 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-21 22:44:40,096 INFO L185 BlockEncoder]: Using Use SBE [2020-06-21 22:44:40,124 INFO L200 BlockEncoder]: SBE split 2 edges [2020-06-21 22:44:40,128 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-21 22:44:40,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 22:44:40,141 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-21 22:44:40,143 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-21 22:44:40,144 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-21 22:44:40,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-21 22:44:40,145 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-21 22:44:40,145 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-21 22:44:40,145 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 29 edges [2020-06-21 22:44:40,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:44:40 BasicIcfg [2020-06-21 22:44:40,146 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-21 22:44:40,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-21 22:44:40,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-21 22:44:40,150 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-21 22:44:40,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 10:44:39" (1/4) ... [2020-06-21 22:44:40,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cb9c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 10:44:40, skipping insertion in model container [2020-06-21 22:44:40,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39" (2/4) ... [2020-06-21 22:44:40,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cb9c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 10:44:40, skipping insertion in model container [2020-06-21 22:44:40,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:44:40" (3/4) ... [2020-06-21 22:44:40,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cb9c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:44:40, skipping insertion in model container [2020-06-21 22:44:40,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:44:40" (4/4) ... [2020-06-21 22:44:40,155 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 22:44:40,165 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-21 22:44:40,174 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-21 22:44:40,191 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-21 22:44:40,219 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 22:44:40,220 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-21 22:44:40,220 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-21 22:44:40,220 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 22:44:40,221 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 22:44:40,221 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 22:44:40,221 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-21 22:44:40,221 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 22:44:40,221 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-21 22:44:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-21 22:44:40,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-21 22:44:40,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-21 22:44:40,293 INFO L448 ceAbstractionStarter]: For program point L14(lines 14 18) no Hoare annotation was computed. [2020-06-21 22:44:40,293 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-21 22:44:40,293 INFO L451 ceAbstractionStarter]: At program point L14-2(lines 13 19) the Hoare annotation is: true [2020-06-21 22:44:40,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:44:40 BasicIcfg [2020-06-21 22:44:40,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-21 22:44:40,302 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-21 22:44:40,303 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-21 22:44:40,306 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-21 22:44:40,307 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:44:40,307 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.06 10:44:39" (1/5) ... [2020-06-21 22:44:40,307 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@320bdf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 10:44:40, skipping insertion in model container [2020-06-21 22:44:40,308 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:44:40,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 10:44:39" (2/5) ... [2020-06-21 22:44:40,308 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@320bdf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.06 10:44:40, skipping insertion in model container [2020-06-21 22:44:40,308 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:44:40,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 10:44:40" (3/5) ... [2020-06-21 22:44:40,309 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@320bdf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:44:40, skipping insertion in model container [2020-06-21 22:44:40,309 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:44:40,309 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 21.06 10:44:40" (4/5) ... [2020-06-21 22:44:40,309 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@320bdf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:44:40, skipping insertion in model container [2020-06-21 22:44:40,309 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-21 22:44:40,310 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 10:44:40" (5/5) ... [2020-06-21 22:44:40,311 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-21 22:44:40,339 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-21 22:44:40,339 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-21 22:44:40,339 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-21 22:44:40,339 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-21 22:44:40,340 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-21 22:44:40,340 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-21 22:44:40,340 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-21 22:44:40,340 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-21 22:44:40,340 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-21 22:44:40,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-21 22:44:40,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-21 22:44:40,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:44:40,365 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:44:40,372 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:44:40,372 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-21 22:44:40,372 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-21 22:44:40,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-21 22:44:40,373 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-21 22:44:40,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:44:40,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:44:40,374 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:44:40,374 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-21 22:44:40,379 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [24] ULTIMATE.startENTRY-->L14-2: Formula: (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0] 4#L14-2true [2020-06-21 22:44:40,380 INFO L796 eck$LassoCheckResult]: Loop: 4#L14-2true [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 5#L14true [36] L14-->L14-2: Formula: (let ((.cse0 (mod v_ULTIMATE.start_main_~y~0_7 2))) (and (= 0 .cse0) (< v_ULTIMATE.start_main_~y~0_7 0) (> 0 .cse0) (= (+ (div v_ULTIMATE.start_main_~y~0_7 2) 1) v_ULTIMATE.start_main_~y~0_6))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 4#L14-2true [2020-06-21 22:44:40,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:40,386 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2020-06-21 22:44:40,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:40,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:40,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:40,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:40,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:40,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:40,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1865, now seen corresponding path program 1 times [2020-06-21 22:44:40,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:40,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:40,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:40,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:40,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 22:44:40,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-21 22:44:40,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-21 22:44:40,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-06-21 22:44:40,507 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-06-21 22:44:40,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-06-21 22:44:40,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-06-21 22:44:40,525 INFO L87 Difference]: Start difference. First operand 3 states. Second operand 2 states. [2020-06-21 22:44:40,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-21 22:44:40,624 INFO L93 Difference]: Finished difference Result 3 states and 7 transitions. [2020-06-21 22:44:40,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-06-21 22:44:40,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 7 transitions. [2020-06-21 22:44:40,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-21 22:44:40,634 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 3 states and 7 transitions. [2020-06-21 22:44:40,635 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-21 22:44:40,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-06-21 22:44:40,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 7 transitions. [2020-06-21 22:44:40,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-21 22:44:40,637 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 7 transitions. [2020-06-21 22:44:40,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 7 transitions. [2020-06-21 22:44:40,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-06-21 22:44:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-21 22:44:40,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-06-21 22:44:40,667 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 7 transitions. [2020-06-21 22:44:40,667 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 7 transitions. [2020-06-21 22:44:40,667 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-21 22:44:40,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 7 transitions. [2020-06-21 22:44:40,668 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-21 22:44:40,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:44:40,668 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:44:40,669 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:44:40,669 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-21 22:44:40,669 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L14-2: Formula: (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0] 15#L14-2 [2020-06-21 22:44:40,669 INFO L796 eck$LassoCheckResult]: Loop: 15#L14-2 [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 16#L14 [48] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ (* 3 v_ULTIMATE.start_main_~y~0_9) 1)) (>= v_ULTIMATE.start_main_~y~0_9 0) (< 0 (mod v_ULTIMATE.start_main_~y~0_9 2))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 15#L14-2 [2020-06-21 22:44:40,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:40,670 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 2 times [2020-06-21 22:44:40,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:40,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:40,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:40,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:40,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:40,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:40,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1877, now seen corresponding path program 1 times [2020-06-21 22:44:40,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:40,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:40,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:40,676 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-21 22:44:40,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:40,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:40,689 INFO L82 PathProgramCache]: Analyzing trace with hash 53771, now seen corresponding path program 1 times [2020-06-21 22:44:40,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:40,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:40,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:40,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:40,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:40,750 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:40,751 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:40,751 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:40,751 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:40,751 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:44:40,752 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:40,752 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:40,752 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:40,752 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-21 22:44:40,752 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:40,752 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:40,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:40,914 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:40,915 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:40,923 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:40,923 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:40,961 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:44:40,961 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:41,035 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 22:44:41,037 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:41,037 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:41,037 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:41,037 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:41,038 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 22:44:41,038 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 22:44:41,038 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:41,038 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:41,038 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-21 22:44:41,038 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:41,038 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:41,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:41,098 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:41,104 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 22:44:41,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:41,108 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:41,108 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:41,109 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:41,109 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:41,109 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:41,112 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:41,112 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:41,124 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:41,124 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-21 22:44:41,125 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:41,126 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:41,126 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:41,126 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:41,126 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:41,126 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:41,128 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:41,128 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:41,143 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:41,143 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-21 22:44:41,144 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:41,145 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:41,145 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:41,145 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:41,145 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:41,145 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:41,147 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:41,147 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:41,165 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:41,165 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-21 22:44:41,165 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:41,166 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:41,166 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:41,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:41,167 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:41,167 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:41,169 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:41,169 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:41,186 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:41,186 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-21 22:44:41,187 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:41,188 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:41,188 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:41,188 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:41,189 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:41,189 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:41,189 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:41,195 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:41,195 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:41,318 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:41,319 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-21 22:44:41,319 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:41,321 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:41,321 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:41,321 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:41,321 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:41,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:41,322 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:41,330 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:41,331 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:41,627 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:41,627 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-21 22:44:41,627 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:41,629 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:41,629 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:41,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:41,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:41,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:41,630 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:41,643 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:41,643 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,120 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,120 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-21 22:44:42,121 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,129 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:42,129 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:42,129 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,130 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,130 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,131 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:42,133 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:42,133 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,159 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-21 22:44:42,160 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,161 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:42,161 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:42,162 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,163 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,163 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,163 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:42,168 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:42,169 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,292 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,324 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:42,324 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:42,324 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:42,325 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:42,325 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:44:42,325 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:42,325 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:42,325 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:42,325 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-06-21 22:44:42,325 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:42,325 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:42,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:42,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:42,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:42,444 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:42,444 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:42,461 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:42,461 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:42,471 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:44:42,472 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:42,504 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:42,504 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:42,508 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:44:42,508 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-06-21 22:44:42,537 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:42,537 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-06-21 22:44:42,579 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:44:42,579 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:42,635 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 22:44:42,637 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:42,637 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:42,637 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:42,637 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:42,638 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 22:44:42,638 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 22:44:42,638 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:42,638 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:42,638 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-06-21 22:44:42,638 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:42,639 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:42,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:42,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:42,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:42,730 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:42,731 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 22:44:42,731 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,732 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:42,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,732 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,732 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:42,733 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:42,733 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,734 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,734 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,734 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:42,735 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,735 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:42,736 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:42,736 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,738 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,739 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,739 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:42,740 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,740 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,740 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,740 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:42,740 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:42,741 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,741 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,741 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-21 22:44:42,742 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,742 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:42,742 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,742 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,742 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,743 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:42,743 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:42,743 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,744 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,744 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,744 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:42,744 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,745 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,745 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,745 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:42,746 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:42,746 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,749 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,749 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,750 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:42,750 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,750 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,750 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,750 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:42,751 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:42,751 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,752 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,752 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-21 22:44:42,752 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,753 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:42,753 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,753 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,753 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,753 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:42,754 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:42,754 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,754 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,755 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,755 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:42,755 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,755 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,756 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,756 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:42,756 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:42,757 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,761 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,761 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,762 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:42,762 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,762 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,762 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:42,763 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:42,763 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,764 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,764 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-21 22:44:42,764 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,765 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:42,765 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,765 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,765 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:42,766 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:42,766 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,767 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,767 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:42,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,768 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:42,769 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:42,769 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,774 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,775 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,775 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:42,775 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,775 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,775 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,776 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:42,776 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:42,776 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,777 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-21 22:44:42,777 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,778 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:42,778 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:42,778 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,778 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,778 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:42,779 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:42,779 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,780 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,780 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,781 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:42,781 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:42,781 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,781 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,781 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,781 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:42,783 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:42,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,826 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,827 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,827 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:42,827 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:42,828 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,828 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,828 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,828 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:42,829 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:42,829 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,829 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,830 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-21 22:44:42,830 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,830 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:42,831 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:42,831 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,831 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,831 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,831 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:42,832 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:42,832 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,834 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,834 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,835 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:42,835 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:42,835 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,835 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:42,839 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:42,839 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,943 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,943 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,944 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:42,944 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:42,945 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,945 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,945 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:42,946 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:42,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,947 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,948 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-21 22:44:42,948 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,949 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:42,949 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:42,949 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,949 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,949 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,949 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:42,951 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:42,951 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:42,952 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:42,952 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:42,953 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:42,953 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:42,953 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:42,953 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:42,953 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:42,953 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:42,961 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:42,961 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,318 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,319 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,320 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:43,320 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:43,320 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,320 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,320 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:43,322 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:43,322 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,323 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,323 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-21 22:44:43,324 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,324 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:43,325 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:43,325 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,325 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,325 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:43,326 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:43,326 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,327 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,328 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,328 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:43,328 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:43,329 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,329 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,329 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,329 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:43,330 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:43,330 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,343 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,344 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,344 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:43,344 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:43,344 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,345 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:43,345 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:43,346 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,347 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,347 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-21 22:44:43,347 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,348 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:43,348 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:43,348 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,348 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,349 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:43,349 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:43,350 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,352 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,352 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,353 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:43,353 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:43,353 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,353 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,353 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,354 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:43,356 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:43,357 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,494 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,494 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,495 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:43,495 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:43,495 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,496 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,496 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,496 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:43,497 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:43,497 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,499 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,499 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-06-21 22:44:43,500 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L14-2: Formula: (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0] 15#L14-2 [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 16#L14 [48] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ (* 3 v_ULTIMATE.start_main_~y~0_9) 1)) (>= v_ULTIMATE.start_main_~y~0_9 0) (< 0 (mod v_ULTIMATE.start_main_~y~0_9 2))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 15#L14-2 [2020-06-21 22:44:43,500 INFO L796 eck$LassoCheckResult]: Loop: 15#L14-2 [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 16#L14 [48] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ (* 3 v_ULTIMATE.start_main_~y~0_9) 1)) (>= v_ULTIMATE.start_main_~y~0_9 0) (< 0 (mod v_ULTIMATE.start_main_~y~0_9 2))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 15#L14-2 [2020-06-21 22:44:43,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:43,500 INFO L82 PathProgramCache]: Analyzing trace with hash 53771, now seen corresponding path program 2 times [2020-06-21 22:44:43,500 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:43,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:43,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:43,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:43,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:43,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:43,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1877, now seen corresponding path program 2 times [2020-06-21 22:44:43,510 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:43,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:43,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:43,511 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-21 22:44:43,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:43,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:43,516 INFO L82 PathProgramCache]: Analyzing trace with hash 51674847, now seen corresponding path program 3 times [2020-06-21 22:44:43,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:43,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:43,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:43,517 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-21 22:44:43,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 22:44:43,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-21 22:44:43,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-21 22:44:43,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-06-21 22:44:43,608 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:43,608 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:43,608 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:43,608 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:43,608 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:44:43,609 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:43,609 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:43,609 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:43,609 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-21 22:44:43,609 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:43,609 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:43,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,690 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:43,691 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:43,696 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:43,696 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:43,733 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:44:43,733 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:43,786 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 22:44:43,788 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:43,789 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:43,789 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:43,789 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:43,789 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 22:44:43,789 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 22:44:43,789 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:43,789 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:43,790 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-21 22:44:43,790 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:43,790 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:43,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:43,856 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:43,856 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 22:44:43,857 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,857 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:43,857 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,858 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,858 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,858 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:43,858 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:43,858 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,861 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,861 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-21 22:44:43,862 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,862 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:43,862 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,862 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,862 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,863 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:43,863 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:43,863 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,866 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,866 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-21 22:44:43,867 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,867 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:43,867 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,867 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,868 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:43,868 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:43,868 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,872 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-21 22:44:43,873 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,873 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:43,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,874 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,874 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:43,874 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:43,875 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,879 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-21 22:44:43,879 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,880 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:43,880 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:43,880 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,881 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:43,882 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:43,882 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:43,915 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:43,915 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-21 22:44:43,916 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:43,916 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:43,917 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:43,917 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:43,917 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:43,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:43,917 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:43,920 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:43,920 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:44,117 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:44,117 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-21 22:44:44,118 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:44,119 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:44,119 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:44,120 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:44,120 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:44,120 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:44,120 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:44,126 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:44,126 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:44,538 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:44,539 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-21 22:44:44,549 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:44,550 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:44,550 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:44,550 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:44,550 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:44,551 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:44,551 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:44,552 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:44,552 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:44,567 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:44,567 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-21 22:44:44,568 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:44,569 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:44,569 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:44,569 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:44,569 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:44,569 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:44,569 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:44,572 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:44,572 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:44,701 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:44,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-21 22:44:44,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-21 22:44:44,702 INFO L87 Difference]: Start difference. First operand 3 states and 7 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-06-21 22:44:44,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-21 22:44:44,745 INFO L93 Difference]: Finished difference Result 5 states and 10 transitions. [2020-06-21 22:44:44,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-21 22:44:44,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 10 transitions. [2020-06-21 22:44:44,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-21 22:44:44,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 5 states and 10 transitions. [2020-06-21 22:44:44,748 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2020-06-21 22:44:44,748 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-21 22:44:44,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 10 transitions. [2020-06-21 22:44:44,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-21 22:44:44,748 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 10 transitions. [2020-06-21 22:44:44,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 10 transitions. [2020-06-21 22:44:44,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2020-06-21 22:44:44,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-21 22:44:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2020-06-21 22:44:44,750 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 10 transitions. [2020-06-21 22:44:44,750 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 10 transitions. [2020-06-21 22:44:44,750 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-21 22:44:44,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 10 transitions. [2020-06-21 22:44:44,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-21 22:44:44,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:44:44,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:44:44,751 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-21 22:44:44,751 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-21 22:44:44,751 INFO L794 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L14-2: Formula: (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0] 38#L14-2 [2020-06-21 22:44:44,751 INFO L796 eck$LassoCheckResult]: Loop: 38#L14-2 [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 39#L14 [40] L14-->L14-2: Formula: (and (= 0 (mod v_ULTIMATE.start_main_~y~0_7 2)) (>= v_ULTIMATE.start_main_~y~0_7 0) (= (div v_ULTIMATE.start_main_~y~0_7 2) v_ULTIMATE.start_main_~y~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 38#L14-2 [2020-06-21 22:44:44,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:44,752 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 3 times [2020-06-21 22:44:44,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:44,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:44,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:44,753 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-21 22:44:44,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:44,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:44,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1869, now seen corresponding path program 1 times [2020-06-21 22:44:44,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:44,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:44,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:44,757 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-21 22:44:44,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:44,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:44,762 INFO L82 PathProgramCache]: Analyzing trace with hash 53763, now seen corresponding path program 1 times [2020-06-21 22:44:44,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:44,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:44,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:44,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:44,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:44,794 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:44,794 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:44,794 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:44,794 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:44,794 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:44:44,794 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:44,794 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:44,794 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:44,795 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-21 22:44:44,795 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:44,795 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:44,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:44,865 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:44,865 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:44,874 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:44,874 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-06-21 22:44:44,909 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:44,909 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:44,963 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 22:44:44,966 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:44,966 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:44,967 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:44,967 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:44,967 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 22:44:44,967 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 22:44:44,967 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:44,967 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:44,967 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-21 22:44:44,967 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:44,967 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:44,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:45,035 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:45,036 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 22:44:45,036 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:45,037 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:45,037 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:45,037 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:45,037 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:45,037 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:45,038 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:45,038 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:45,040 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-21 22:44:45,042 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-21 22:44:45,042 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-21 22:44:45,044 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-21 22:44:45,045 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-21 22:44:45,045 INFO L518 LassoAnalysis]: Proved termination. [2020-06-21 22:44:45,045 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-21 22:44:45,046 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-21 22:44:45,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 22:44:45,085 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-21 22:44:45,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 22:44:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-21 22:44:45,098 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-21 22:44:45,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-21 22:44:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-21 22:44:45,133 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-21 22:44:45,136 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-21 22:44:45,136 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 10 transitions. cyclomatic complexity: 6 Second operand 3 states. [2020-06-21 22:44:45,190 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 10 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 17 states and 34 transitions. Complement of second has 7 states. [2020-06-21 22:44:45,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-06-21 22:44:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-21 22:44:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2020-06-21 22:44:45,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-21 22:44:45,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 22:44:45,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-21 22:44:45,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 22:44:45,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-21 22:44:45,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-21 22:44:45,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 34 transitions. [2020-06-21 22:44:45,201 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-21 22:44:45,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 11 states and 21 transitions. [2020-06-21 22:44:45,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-06-21 22:44:45,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-06-21 22:44:45,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 21 transitions. [2020-06-21 22:44:45,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-21 22:44:45,203 INFO L706 BuchiCegarLoop]: Abstraction has 11 states and 21 transitions. [2020-06-21 22:44:45,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 21 transitions. [2020-06-21 22:44:45,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2020-06-21 22:44:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-06-21 22:44:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 18 transitions. [2020-06-21 22:44:45,205 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 18 transitions. [2020-06-21 22:44:45,205 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 18 transitions. [2020-06-21 22:44:45,205 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-21 22:44:45,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 18 transitions. [2020-06-21 22:44:45,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-21 22:44:45,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-21 22:44:45,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-21 22:44:45,206 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-21 22:44:45,206 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2020-06-21 22:44:45,207 INFO L794 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L14-2: Formula: (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0] 94#L14-2 [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 99#L14 [62] L14-->L14-2: Formula: (let ((.cse0 (mod v_ULTIMATE.start_main_~y~0_9 2))) (and (= v_ULTIMATE.start_main_~y~0_8 (+ (* 3 v_ULTIMATE.start_main_~y~0_9) 1)) (> 0 (+ .cse0 (- 2))) (< 0 .cse0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 95#L14-2 [2020-06-21 22:44:45,207 INFO L796 eck$LassoCheckResult]: Loop: 95#L14-2 [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 96#L14 [40] L14-->L14-2: Formula: (and (= 0 (mod v_ULTIMATE.start_main_~y~0_7 2)) (>= v_ULTIMATE.start_main_~y~0_7 0) (= (div v_ULTIMATE.start_main_~y~0_7 2) v_ULTIMATE.start_main_~y~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 100#L14-2 [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 101#L14 [48] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ (* 3 v_ULTIMATE.start_main_~y~0_9) 1)) (>= v_ULTIMATE.start_main_~y~0_9 0) (< 0 (mod v_ULTIMATE.start_main_~y~0_9 2))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 95#L14-2 [2020-06-21 22:44:45,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:45,207 INFO L82 PathProgramCache]: Analyzing trace with hash 53785, now seen corresponding path program 1 times [2020-06-21 22:44:45,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:45,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:45,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:45,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:45,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:45,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:45,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1797025, now seen corresponding path program 1 times [2020-06-21 22:44:45,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:45,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:45,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:45,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:45,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:45,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:45,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1867157063, now seen corresponding path program 1 times [2020-06-21 22:44:45,222 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:45,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:45,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:45,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:45,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:45,276 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:45,276 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:45,276 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:45,276 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:45,276 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:44:45,276 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:45,276 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:45,277 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:45,277 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2020-06-21 22:44:45,277 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:45,277 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:45,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:45,402 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:45,402 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:45,408 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:45,408 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:45,447 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:44:45,447 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:45,794 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 22:44:45,796 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:45,797 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:45,797 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:45,797 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:45,797 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 22:44:45,797 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 22:44:45,797 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:45,797 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:45,797 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2020-06-21 22:44:45,797 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:45,798 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:45,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:45,906 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:45,907 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 22:44:45,907 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:45,908 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:45,908 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:45,908 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:45,908 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:45,908 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:45,909 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:45,909 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:45,912 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:45,912 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-21 22:44:45,912 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:45,913 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:45,913 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:45,913 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:45,913 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:45,913 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:45,914 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:45,914 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:45,917 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:45,917 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-21 22:44:45,918 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:45,918 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:45,918 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:45,918 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:45,919 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:45,919 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:45,919 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:45,920 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:45,924 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:45,924 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-21 22:44:45,924 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:45,925 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:45,925 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:45,925 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:45,925 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:45,925 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:45,926 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:45,926 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:45,931 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:45,932 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-21 22:44:45,932 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:45,932 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:45,933 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:45,933 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:45,933 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:45,933 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:45,933 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:45,934 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:45,934 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:45,969 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:45,969 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-21 22:44:45,970 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:45,971 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:45,971 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:45,971 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:45,971 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:45,971 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:45,971 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:45,973 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:45,973 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:45,998 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:45,999 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-21 22:44:45,999 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:46,000 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:46,000 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:46,000 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:46,000 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:46,000 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:46,000 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:46,003 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:46,003 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:46,044 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:46,044 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-21 22:44:46,045 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:46,045 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:46,045 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:46,045 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:46,046 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:46,046 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:46,046 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:46,047 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:46,047 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:46,055 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:46,055 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-21 22:44:46,056 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:46,056 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:46,056 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:46,056 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:46,057 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:46,057 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:46,057 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:46,058 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:46,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:46,076 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:46,116 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:46,116 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:46,116 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:46,116 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:46,116 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:44:46,117 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:46,117 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:46,117 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:46,117 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-06-21 22:44:46,117 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:46,117 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:46,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:46,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:46,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:46,311 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:46,312 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:46,317 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:46,317 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:46,355 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:44:46,355 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:46,841 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 22:44:46,844 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:46,844 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:46,844 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:46,844 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:46,844 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 22:44:46,844 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 22:44:46,844 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:46,844 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:46,845 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-06-21 22:44:46,845 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:46,845 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:46,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:46,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:46,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:47,018 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:47,018 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 22:44:47,018 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,019 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:47,019 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,019 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,019 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,019 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:47,020 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:47,020 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,021 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,021 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,021 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:47,021 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,022 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,022 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:47,022 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:47,022 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,023 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,023 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,023 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:47,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,024 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:47,026 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:47,026 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 22:44:47,033 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,033 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-21 22:44:47,033 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,034 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:47,034 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,034 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:47,035 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:47,035 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,035 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,035 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,036 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:47,036 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,036 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,036 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,036 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:47,036 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:47,037 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,037 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,037 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,037 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:47,038 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,038 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,038 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:47,040 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-21 22:44:47,040 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-21 22:44:47,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,049 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-21 22:44:47,050 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,050 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:47,050 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,050 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,051 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:47,051 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:47,051 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,051 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,052 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,052 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:47,052 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,052 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,052 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,052 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:47,053 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:47,053 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,053 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,054 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,054 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:47,054 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,054 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,054 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:47,056 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-21 22:44:47,057 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-21 22:44:47,068 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,069 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-21 22:44:47,069 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,070 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:47,070 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,070 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,070 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,070 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:47,070 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:47,071 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,071 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,071 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,072 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:47,072 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,072 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,072 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,072 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:47,072 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:47,073 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,073 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,073 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,073 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:47,074 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,074 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,074 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:47,076 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-21 22:44:47,077 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-21 22:44:47,091 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,092 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-21 22:44:47,092 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,092 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,093 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:47,093 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,093 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,093 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,093 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:47,094 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:47,094 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,094 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,094 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,095 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,095 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:47,095 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,095 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,095 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,095 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:47,096 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:47,096 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,096 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,097 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,097 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,097 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:47,097 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,097 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,097 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:47,100 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-21 22:44:47,100 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-21 22:44:47,120 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,120 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-21 22:44:47,121 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,121 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,122 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:47,122 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,122 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,122 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,122 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:47,123 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:47,123 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,124 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,124 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,125 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,125 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:47,125 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,125 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,125 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,125 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:47,126 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:47,126 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,127 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,127 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,128 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,128 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:47,128 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,128 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,128 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:47,131 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-21 22:44:47,131 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-21 22:44:47,204 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,204 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-21 22:44:47,204 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,205 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,205 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:47,205 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,206 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,206 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,206 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:47,207 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:47,207 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,207 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,208 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,208 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,208 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:47,208 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,209 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:47,210 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:47,210 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,211 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,211 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,212 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:47,212 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,212 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,212 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:47,216 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-21 22:44:47,216 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-21 22:44:47,304 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,304 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-21 22:44:47,305 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,305 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,305 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:47,306 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,306 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,306 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,306 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:47,306 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:47,306 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,308 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,308 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,308 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,308 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:47,309 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,309 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,309 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,309 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:47,309 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:47,309 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,310 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,311 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,311 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,311 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:47,311 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,312 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,312 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:47,314 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-21 22:44:47,314 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-21 22:44:47,334 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,334 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-21 22:44:47,334 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,335 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,335 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:47,335 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,335 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,335 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,336 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:47,336 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:47,336 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,338 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,338 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,339 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,339 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:47,339 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:47,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,339 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:47,340 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:47,340 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:47,341 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,342 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:47,342 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:47,342 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:47,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:47,343 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:47,343 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:47,346 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-21 22:44:47,346 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-21 22:44:47,399 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:47,399 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-06-21 22:44:47,399 INFO L794 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRY [24] ULTIMATE.startENTRY-->L14-2: Formula: (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0] 94#L14-2 [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 99#L14 [62] L14-->L14-2: Formula: (let ((.cse0 (mod v_ULTIMATE.start_main_~y~0_9 2))) (and (= v_ULTIMATE.start_main_~y~0_8 (+ (* 3 v_ULTIMATE.start_main_~y~0_9) 1)) (> 0 (+ .cse0 (- 2))) (< 0 .cse0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 95#L14-2 [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 96#L14 [40] L14-->L14-2: Formula: (and (= 0 (mod v_ULTIMATE.start_main_~y~0_7 2)) (>= v_ULTIMATE.start_main_~y~0_7 0) (= (div v_ULTIMATE.start_main_~y~0_7 2) v_ULTIMATE.start_main_~y~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 100#L14-2 [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 101#L14 [48] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ (* 3 v_ULTIMATE.start_main_~y~0_9) 1)) (>= v_ULTIMATE.start_main_~y~0_9 0) (< 0 (mod v_ULTIMATE.start_main_~y~0_9 2))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 95#L14-2 [2020-06-21 22:44:47,400 INFO L796 eck$LassoCheckResult]: Loop: 95#L14-2 [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 96#L14 [40] L14-->L14-2: Formula: (and (= 0 (mod v_ULTIMATE.start_main_~y~0_7 2)) (>= v_ULTIMATE.start_main_~y~0_7 0) (= (div v_ULTIMATE.start_main_~y~0_7 2) v_ULTIMATE.start_main_~y~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 100#L14-2 [28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[] 101#L14 [48] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ (* 3 v_ULTIMATE.start_main_~y~0_9) 1)) (>= v_ULTIMATE.start_main_~y~0_9 0) (< 0 (mod v_ULTIMATE.start_main_~y~0_9 2))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 95#L14-2 [2020-06-21 22:44:47,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:47,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1867157063, now seen corresponding path program 2 times [2020-06-21 22:44:47,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:47,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:47,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:47,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-21 22:44:47,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:47,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:47,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1797025, now seen corresponding path program 2 times [2020-06-21 22:44:47,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:47,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:47,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:47,410 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-21 22:44:47,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:47,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-21 22:44:47,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1892761945, now seen corresponding path program 3 times [2020-06-21 22:44:47,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-21 22:44:47,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-21 22:44:47,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:47,416 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-21 22:44:47,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-21 22:44:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-21 22:44:47,468 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:47,468 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:47,468 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:47,468 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:47,468 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:44:47,468 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:47,468 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:47,469 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:47,469 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2020-06-21 22:44:47,469 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:47,469 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:47,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:47,563 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:47,564 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:47,570 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:47,571 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:47,607 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:44:47,608 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:49,702 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 22:44:49,705 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:49,714 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:49,714 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:49,714 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:49,714 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 22:44:49,714 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 22:44:49,714 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:49,714 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:49,714 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2020-06-21 22:44:49,714 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:49,714 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:49,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:49,799 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:49,799 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 22:44:49,800 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:49,800 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:49,800 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:49,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:49,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:49,801 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:49,801 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:49,801 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:49,804 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:49,804 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-21 22:44:49,804 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:49,805 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:49,805 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:49,805 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:49,805 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:49,805 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:49,806 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:49,806 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:49,809 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:49,809 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-21 22:44:49,810 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:49,810 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:49,810 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:49,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:49,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:49,811 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:49,811 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:49,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:49,815 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:49,815 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-21 22:44:49,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:49,816 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:49,816 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:49,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:49,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:49,816 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:49,817 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:49,817 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:49,821 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:49,821 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-21 22:44:49,822 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:49,822 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:49,822 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:49,822 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:49,822 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:49,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:49,823 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:49,823 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:49,823 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:49,832 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:49,832 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-21 22:44:49,833 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:49,833 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:49,833 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:49,834 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:49,834 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:49,834 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:49,834 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:49,835 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:49,835 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:49,857 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:49,857 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-21 22:44:49,858 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:49,858 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:49,858 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:49,859 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:49,859 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:49,859 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:49,859 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:49,861 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:49,861 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:49,914 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:49,914 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-21 22:44:49,914 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:49,915 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:49,916 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:49,916 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:49,916 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:49,916 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:49,916 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:49,917 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:49,917 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:49,923 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:49,923 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-21 22:44:49,923 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:49,924 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:49,924 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:49,924 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:49,925 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:49,925 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:49,925 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:49,926 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:49,926 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:49,946 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:50,012 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:50,012 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:50,012 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:50,013 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:50,013 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-21 22:44:50,013 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:50,013 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:50,013 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:50,013 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-06-21 22:44:50,013 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:50,014 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:50,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:50,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:50,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:50,253 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:50,253 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:50,263 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:50,263 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:50,272 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:44:50,272 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-06-21 22:44:50,302 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:50,302 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:50,306 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-21 22:44:50,306 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:50,334 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-21 22:44:50,334 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-21 22:44:50,375 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-21 22:44:50,375 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-21 22:44:50,798 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-21 22:44:50,800 INFO L216 LassoAnalysis]: Preferences: [2020-06-21 22:44:50,800 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-21 22:44:50,800 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-21 22:44:50,801 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-21 22:44:50,801 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-21 22:44:50,801 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-21 22:44:50,801 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-21 22:44:50,801 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-21 22:44:50,801 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-06-21 22:44:50,801 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-21 22:44:50,801 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-21 22:44:50,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:50,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:50,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-21 22:44:50,982 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-06-21 22:44:51,073 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-21 22:44:51,074 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-21 22:44:51,074 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,075 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:51,075 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,075 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,075 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:51,075 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:51,075 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,076 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,076 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,076 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:51,077 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,077 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,077 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,077 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:51,077 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-21 22:44:51,077 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,078 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,078 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,078 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:51,078 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,078 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,078 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-21 22:44:51,079 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:51,080 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-21 22:44:51,086 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,086 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-21 22:44:51,086 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,087 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:51,087 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,087 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,087 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,087 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:51,088 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:51,088 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,088 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,088 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,089 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:51,089 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,089 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,089 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:51,089 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:51,090 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,090 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,090 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,090 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:51,091 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,091 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,091 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:51,092 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-21 22:44:51,092 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-21 22:44:51,101 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,101 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-21 22:44:51,102 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,102 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:51,102 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,103 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,103 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,103 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:51,103 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:51,103 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,104 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,104 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,104 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:51,104 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,104 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,105 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,105 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:51,105 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:51,105 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,105 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,106 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:51,106 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,106 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,106 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:51,108 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-21 22:44:51,108 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-21 22:44:51,120 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,120 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-21 22:44:51,121 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,121 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:51,121 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,122 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:51,122 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:51,122 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,122 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,123 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,123 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:51,123 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,123 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,123 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,123 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:51,124 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:51,124 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,124 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,124 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,125 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-21 22:44:51,125 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,125 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,125 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:51,127 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-21 22:44:51,127 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-21 22:44:51,141 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,142 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-21 22:44:51,142 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,142 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,143 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:51,143 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,143 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,143 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:51,143 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:51,144 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,144 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,144 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,144 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,145 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:51,145 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,145 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,145 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,145 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:51,145 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-21 22:44:51,146 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,146 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,146 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,147 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,147 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:51,147 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,147 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,147 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-21 22:44:51,149 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-21 22:44:51,149 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-21 22:44:51,166 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,166 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-21 22:44:51,167 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,167 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,167 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:51,167 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,168 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,168 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,168 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:51,168 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:51,168 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,169 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,169 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,170 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,170 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:51,170 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,170 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,170 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,171 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:51,171 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:51,171 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,172 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,172 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,173 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,173 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-21 22:44:51,173 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,173 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,173 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:51,175 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-21 22:44:51,175 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-21 22:44:51,246 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,246 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-21 22:44:51,247 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,248 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,248 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:51,248 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,248 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,248 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:51,249 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:51,249 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,250 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,250 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,250 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,251 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:51,251 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,251 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,251 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,251 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:51,252 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-21 22:44:51,252 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,253 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,253 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,253 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,254 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:51,254 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,254 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,254 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-21 22:44:51,257 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-21 22:44:51,257 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-21 22:44:51,364 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,364 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-21 22:44:51,365 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,365 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,365 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:51,366 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,366 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,366 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,366 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:51,366 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:51,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,367 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,368 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,368 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,368 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:51,368 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,368 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,369 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:51,369 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-21 22:44:51,369 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,370 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,370 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,370 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,371 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-21 22:44:51,371 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,371 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,371 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-21 22:44:51,373 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-21 22:44:51,373 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-21 22:44:51,398 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,398 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-21 22:44:51,398 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,399 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,399 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:51,399 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,399 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,399 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,400 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:51,400 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:51,400 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,402 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,402 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,402 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,402 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:51,402 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-21 22:44:51,403 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,403 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,403 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:51,403 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-21 22:44:51,403 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-21 22:44:51,405 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,405 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-21 22:44:51,406 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-21 22:44:51,406 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-21 22:44:51,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-21 22:44:51,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-21 22:44:51,406 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-21 22:44:51,409 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-21 22:44:51,409 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-21 22:44:51,451 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-21 22:44:51,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.06 10:44:51 BasicIcfg [2020-06-21 22:44:51,458 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-21 22:44:51,459 INFO L168 Benchmark]: Toolchain (without parser) took 11959.36 ms. Allocated memory was 649.6 MB in the beginning and 1.1 GB in the end (delta: 401.1 MB). Free memory was 560.9 MB in the beginning and 688.0 MB in the end (delta: -127.1 MB). Peak memory consumption was 618.8 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:51,459 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-21 22:44:51,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.68 ms. Allocated memory was 649.6 MB in the beginning and 668.5 MB in the end (delta: 18.9 MB). Free memory was 559.8 MB in the beginning and 635.4 MB in the end (delta: -75.6 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:51,461 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.79 ms. Allocated memory is still 668.5 MB. Free memory was 635.4 MB in the beginning and 634.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:51,461 INFO L168 Benchmark]: Boogie Preprocessor took 21.12 ms. Allocated memory is still 668.5 MB. Free memory was 634.3 MB in the beginning and 631.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:51,462 INFO L168 Benchmark]: RCFGBuilder took 202.33 ms. Allocated memory is still 668.5 MB. Free memory was 631.5 MB in the beginning and 618.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:51,462 INFO L168 Benchmark]: BlockEncodingV2 took 96.42 ms. Allocated memory is still 668.5 MB. Free memory was 618.7 MB in the beginning and 612.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:51,463 INFO L168 Benchmark]: TraceAbstraction took 154.85 ms. Allocated memory is still 668.5 MB. Free memory was 612.3 MB in the beginning and 603.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:51,463 INFO L168 Benchmark]: BuchiAutomizer took 11155.63 ms. Allocated memory was 668.5 MB in the beginning and 1.1 GB in the end (delta: 382.2 MB). Free memory was 602.6 MB in the beginning and 688.0 MB in the end (delta: -85.4 MB). Peak memory consumption was 641.6 MB. Max. memory is 50.3 GB. [2020-06-21 22:44:51,468 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 29 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 286.68 ms. Allocated memory was 649.6 MB in the beginning and 668.5 MB in the end (delta: 18.9 MB). Free memory was 559.8 MB in the beginning and 635.4 MB in the end (delta: -75.6 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.79 ms. Allocated memory is still 668.5 MB. Free memory was 635.4 MB in the beginning and 634.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 21.12 ms. Allocated memory is still 668.5 MB. Free memory was 634.3 MB in the beginning and 631.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * RCFGBuilder took 202.33 ms. Allocated memory is still 668.5 MB. Free memory was 631.5 MB in the beginning and 618.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 96.42 ms. Allocated memory is still 668.5 MB. Free memory was 618.7 MB in the beginning and 612.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. * TraceAbstraction took 154.85 ms. Allocated memory is still 668.5 MB. Free memory was 612.3 MB in the beginning and 603.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 11155.63 ms. Allocated memory was 668.5 MB in the beginning and 1.1 GB in the end (delta: 382.2 MB). Free memory was 602.6 MB in the beginning and 688.0 MB in the end (delta: -85.4 MB). Peak memory consumption was 641.6 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 0 deterministic, 1 nondeterministic) and one module whose termination is unknown.One nondeterministic module has affine ranking function y and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.1s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 10.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 9 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 9 SDslu, 0 SDs, 0 SdLazy, 44 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn1 SFLI1 SFLT1 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div463 bol100 ite100 ukn100 eq133 hnf44 smp75 dnf100 smp100 tf104 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 45ms VariablesStem: 7 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.8s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "[24] ULTIMATE.startENTRY-->L14-2: Formula: (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0]" "[28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[]" "[62] L14-->L14-2: Formula: (let ((.cse0 (mod v_ULTIMATE.start_main_~y~0_9 2))) (and (= v_ULTIMATE.start_main_~y~0_8 (+ (* 3 v_ULTIMATE.start_main_~y~0_9) 1)) (> 0 (+ .cse0 (- 2))) (< 0 .cse0))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0]" "[28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[]" "[40] L14-->L14-2: Formula: (and (= 0 (mod v_ULTIMATE.start_main_~y~0_7 2)) (>= v_ULTIMATE.start_main_~y~0_7 0) (= (div v_ULTIMATE.start_main_~y~0_7 2) v_ULTIMATE.start_main_~y~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0]" "[28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[]" "[48] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ (* 3 v_ULTIMATE.start_main_~y~0_9) 1)) (>= v_ULTIMATE.start_main_~y~0_9 0) (< 0 (mod v_ULTIMATE.start_main_~y~0_9 2))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0]" Loop: "[28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[]" "[40] L14-->L14-2: Formula: (and (= 0 (mod v_ULTIMATE.start_main_~y~0_7 2)) (>= v_ULTIMATE.start_main_~y~0_7 0) (= (div v_ULTIMATE.start_main_~y~0_7 2) v_ULTIMATE.start_main_~y~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0]" "[28] L14-2-->L14: Formula: (< 1 v_ULTIMATE.start_main_~y~0_5) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5} AuxVars[] AssignedVars[]" "[48] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ (* 3 v_ULTIMATE.start_main_~y~0_9) 1)) (>= v_ULTIMATE.start_main_~y~0_9 0) (< 0 (mod v_ULTIMATE.start_main_~y~0_9 2))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0]" RESULT: Ultimate could not prove your program: unable to determine termination !ENTRY org.eclipse.core.resources 2 10035 2020-06-21 22:44:51.698 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check