YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 04:22:09,155 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 04:22:09,177 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 04:22:09,189 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 04:22:09,189 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 04:22:09,190 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 04:22:09,191 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 04:22:09,193 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 04:22:09,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 04:22:09,195 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 04:22:09,196 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 04:22:09,196 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 04:22:09,197 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 04:22:09,198 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 04:22:09,199 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 04:22:09,199 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 04:22:09,200 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 04:22:09,202 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 04:22:09,204 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 04:22:09,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 04:22:09,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 04:22:09,207 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 04:22:09,209 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 04:22:09,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 04:22:09,210 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 04:22:09,210 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 04:22:09,211 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 04:22:09,211 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 04:22:09,212 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 04:22:09,212 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 04:22:09,213 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 04:22:09,214 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 04:22:09,215 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 04:22:09,215 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 04:22:09,215 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 04:22:09,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 04:22:09,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 04:22:09,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 04:22:09,217 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 04:22:09,218 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 04:22:09,232 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 04:22:09,232 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 04:22:09,233 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 04:22:09,234 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 04:22:09,234 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 04:22:09,234 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 04:22:09,234 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 04:22:09,234 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 04:22:09,235 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 04:22:09,235 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 04:22:09,235 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 04:22:09,235 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 04:22:09,235 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 04:22:09,235 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 04:22:09,236 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:09,236 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 04:22:09,236 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 04:22:09,236 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 04:22:09,236 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 04:22:09,237 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 04:22:09,237 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 04:22:09,237 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 04:22:09,237 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 04:22:09,237 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 04:22:09,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 04:22:09,238 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 04:22:09,238 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 04:22:09,238 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 04:22:09,238 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 04:22:09,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 04:22:09,277 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 04:22:09,280 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 04:22:09,282 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 04:22:09,282 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 04:22:09,283 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 04:22:09,340 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/18a6b76e346a42b9aacf7eefd0075b42/FLAGbc0bb13c8 !SESSION 2020-06-22 04:22:06.818 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.cdt.core 1 0 2020-06-22 04:22:09.627 !MESSAGE Indexed 'FLAGbc0bb13c8' (0 sources, 0 headers) in 0.007 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) [2020-06-22 04:22:09,697 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 04:22:09,697 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 04:22:09,704 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/18a6b76e346a42b9aacf7eefd0075b42/FLAGbc0bb13c8 [2020-06-22 04:22:10,159 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/18a6b76e346a42b9aacf7eefd0075b42 [2020-06-22 04:22:10,170 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 04:22:10,172 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 04:22:10,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 04:22:10,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 04:22:10,177 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 04:22:10,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 04:22:10" (1/1) ... [2020-06-22 04:22:10,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c80850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10, skipping insertion in model container [2020-06-22 04:22:10,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 04:22:10" (1/1) ... [2020-06-22 04:22:10,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 04:22:10,206 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 04:22:10,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 04:22:10,369 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 04:22:10,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 04:22:10,450 INFO L195 MainTranslator]: Completed translation [2020-06-22 04:22:10,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10 WrapperNode [2020-06-22 04:22:10,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 04:22:10,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 04:22:10,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 04:22:10,452 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 04:22:10,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10" (1/1) ... [2020-06-22 04:22:10,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10" (1/1) ... [2020-06-22 04:22:10,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 04:22:10,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 04:22:10,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 04:22:10,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 04:22:10,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10" (1/1) ... [2020-06-22 04:22:10,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10" (1/1) ... [2020-06-22 04:22:10,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10" (1/1) ... [2020-06-22 04:22:10,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10" (1/1) ... [2020-06-22 04:22:10,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10" (1/1) ... [2020-06-22 04:22:10,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10" (1/1) ... [2020-06-22 04:22:10,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10" (1/1) ... [2020-06-22 04:22:10,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 04:22:10,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 04:22:10,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 04:22:10,506 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 04:22:10,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10" (1/1) ... No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 04:22:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 04:22:10,705 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 04:22:10,706 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 04:22:10,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:22:10 BoogieIcfgContainer [2020-06-22 04:22:10,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 04:22:10,708 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 04:22:10,708 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 04:22:10,710 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 04:22:10,711 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:22:10" (1/1) ... [2020-06-22 04:22:10,726 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 10 edges [2020-06-22 04:22:10,728 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 04:22:10,728 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 04:22:10,729 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 04:22:10,729 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 04:22:10,731 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 04:22:10,732 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 04:22:10,732 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 04:22:10,747 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 04:22:10,764 INFO L200 BlockEncoder]: SBE split 3 edges [2020-06-22 04:22:10,768 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 04:22:10,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 04:22:10,778 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 04:22:10,780 INFO L70 RemoveSinkStates]: Removed 4 edges and 2 locations by removing sink states [2020-06-22 04:22:10,782 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 04:22:10,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 04:22:10,782 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 04:22:10,782 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 04:22:10,783 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2020-06-22 04:22:10,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:22:10 BasicIcfg [2020-06-22 04:22:10,784 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 04:22:10,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 04:22:10,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 04:22:10,788 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 04:22:10,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 04:22:10" (1/4) ... [2020-06-22 04:22:10,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d983dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:22:10, skipping insertion in model container [2020-06-22 04:22:10,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10" (2/4) ... [2020-06-22 04:22:10,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d983dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:22:10, skipping insertion in model container [2020-06-22 04:22:10,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:22:10" (3/4) ... [2020-06-22 04:22:10,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d983dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:22:10, skipping insertion in model container [2020-06-22 04:22:10,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:22:10" (4/4) ... [2020-06-22 04:22:10,792 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 04:22:10,801 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 04:22:10,809 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 04:22:10,827 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 04:22:10,855 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 04:22:10,856 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 04:22:10,856 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 04:22:10,856 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 04:22:10,857 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 04:22:10,857 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 04:22:10,857 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 04:22:10,857 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 04:22:10,857 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 04:22:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2020-06-22 04:22:10,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 04:22:10,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-06-22 04:22:10,929 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 04:22:10,929 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 26) no Hoare annotation was computed. [2020-06-22 04:22:10,930 INFO L451 ceAbstractionStarter]: At program point L20-2(lines 17 27) the Hoare annotation is: true [2020-06-22 04:22:10,930 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 26) no Hoare annotation was computed. [2020-06-22 04:22:10,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:22:10 BasicIcfg [2020-06-22 04:22:10,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 04:22:10,939 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 04:22:10,939 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 04:22:10,942 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 04:22:10,943 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:22:10,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 04:22:10" (1/5) ... [2020-06-22 04:22:10,944 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cdc6261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 04:22:10, skipping insertion in model container [2020-06-22 04:22:10,944 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:22:10,944 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:10" (2/5) ... [2020-06-22 04:22:10,944 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cdc6261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 04:22:10, skipping insertion in model container [2020-06-22 04:22:10,944 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:22:10,945 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:22:10" (3/5) ... [2020-06-22 04:22:10,945 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cdc6261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:22:10, skipping insertion in model container [2020-06-22 04:22:10,945 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:22:10,945 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:22:10" (4/5) ... [2020-06-22 04:22:10,946 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@cdc6261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:22:10, skipping insertion in model container [2020-06-22 04:22:10,946 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:22:10,946 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:22:10" (5/5) ... [2020-06-22 04:22:10,947 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 04:22:10,974 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 04:22:10,974 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 04:22:10,974 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 04:22:10,974 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 04:22:10,975 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 04:22:10,975 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 04:22:10,975 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 04:22:10,975 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 04:22:10,975 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 04:22:10,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-06-22 04:22:10,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 04:22:10,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:22:10,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:22:11,004 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 04:22:11,004 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:22:11,005 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 04:22:11,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-06-22 04:22:11,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 04:22:11,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:22:11,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:22:11,006 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 04:22:11,006 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:22:11,011 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_1|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L20-2true [2020-06-22 04:22:11,012 INFO L796 eck$LassoCheckResult]: Loop: 4#L20-2true [30] L20-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_8) (< 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 5#L18true [43] L18-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1))) (< 0 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~x~0] 4#L20-2true [2020-06-22 04:22:11,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:11,018 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2020-06-22 04:22:11,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:11,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:11,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:11,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:11,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:11,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:11,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1934, now seen corresponding path program 1 times [2020-06-22 04:22:11,084 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:11,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:11,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:11,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:11,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:11,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:11,107 INFO L82 PathProgramCache]: Analyzing trace with hash 56711, now seen corresponding path program 1 times [2020-06-22 04:22:11,107 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:11,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:11,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:11,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:11,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:11,169 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:11,170 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:11,170 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:11,171 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:11,171 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:22:11,171 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:11,171 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:11,171 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:11,171 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 04:22:11,172 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:11,172 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:11,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,260 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:11,261 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:11,268 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:11,268 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:11,300 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:11,301 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=1} Honda state: {ULTIMATE.start_main_~z~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:11,308 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:11,308 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:11,336 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:11,336 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=1} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:11,343 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:11,343 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:11,375 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:22:11,375 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:11,406 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:22:11,408 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:11,408 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:11,409 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:11,409 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:11,409 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:22:11,409 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:22:11,409 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:11,409 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:11,409 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 04:22:11,410 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:11,410 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:11,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,476 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:11,482 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:22:11,484 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 [2020-06-22 04:22:11,485 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:11,485 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:11,486 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:11,486 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:11,486 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:11,488 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:11,489 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:11,493 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:11,494 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 [2020-06-22 04:22:11,494 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:11,494 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:11,495 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:11,495 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:11,495 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:11,496 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:11,496 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:11,497 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:11,498 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 [2020-06-22 04:22:11,498 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:11,499 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:11,499 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:11,499 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:11,499 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:11,500 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:11,500 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:11,506 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:22:11,510 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 04:22:11,510 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 04:22:11,512 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:22:11,512 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:22:11,512 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:22:11,513 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-06-22 04:22:11,514 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:22:11,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:11,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:22:11,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:11,566 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 04:22:11,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 04:22:11,625 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 04:22:11,630 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 [2020-06-22 04:22:11,632 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 3 states. [2020-06-22 04:22:11,683 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 3 states. Result 13 states and 24 transitions. Complement of second has 4 states. [2020-06-22 04:22:11,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 04:22:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 04:22:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2020-06-22 04:22:11,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 04:22:11,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:11,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 04:22:11,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:11,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 04:22:11,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:11,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 24 transitions. [2020-06-22 04:22:11,698 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-06-22 04:22:11,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 24 transitions. [2020-06-22 04:22:11,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-06-22 04:22:11,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-06-22 04:22:11,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 24 transitions. [2020-06-22 04:22:11,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 04:22:11,704 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 24 transitions. [2020-06-22 04:22:11,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 24 transitions. [2020-06-22 04:22:11,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-06-22 04:22:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-06-22 04:22:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 23 transitions. [2020-06-22 04:22:11,735 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 23 transitions. [2020-06-22 04:22:11,736 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 23 transitions. [2020-06-22 04:22:11,736 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 04:22:11,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 23 transitions. [2020-06-22 04:22:11,737 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2020-06-22 04:22:11,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:22:11,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:22:11,737 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 04:22:11,737 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 04:22:11,738 INFO L794 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_1|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 51#L20-2 [30] L20-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_8) (< 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 53#L18 [2020-06-22 04:22:11,738 INFO L796 eck$LassoCheckResult]: Loop: 53#L18 [32] L18-->L20: Formula: (= 0 |v_ULTIMATE.start_main_#t~nondet3_5|) InVars {ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|} OutVars{ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3] 56#L20 [45] L20-->L20-2: Formula: (and (< 0 |v_ULTIMATE.start_main_#t~nondet4_3|) (= v_ULTIMATE.start_main_~y~0_4 (+ v_ULTIMATE.start_main_~y~0_5 (- 1))) (= v_ULTIMATE.start_main_~z~0_4 |v_ULTIMATE.start_main_#t~nondet5_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_4, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_2|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 52#L20-2 [30] L20-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_8) (< 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 53#L18 [2020-06-22 04:22:11,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:11,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1828, now seen corresponding path program 1 times [2020-06-22 04:22:11,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:11,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:11,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:11,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:11,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:11,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:11,749 INFO L82 PathProgramCache]: Analyzing trace with hash 61968, now seen corresponding path program 1 times [2020-06-22 04:22:11,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:11,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:11,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:11,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:11,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:11,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:11,758 INFO L82 PathProgramCache]: Analyzing trace with hash 54490125, now seen corresponding path program 1 times [2020-06-22 04:22:11,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:11,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:11,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:11,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:11,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:11,799 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:11,800 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:11,800 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:11,800 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:11,800 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:22:11,800 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:11,800 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:11,800 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:11,800 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 04:22:11,800 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:11,801 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:11,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,869 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:11,869 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:11,875 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:11,875 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:11,906 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:22:11,906 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:11,977 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:22:11,980 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:11,981 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:11,981 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:11,981 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:11,981 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:22:11,981 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:22:11,981 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:11,981 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:11,982 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 04:22:11,982 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:11,982 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:11,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:11,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,081 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:12,081 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:22:12,081 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 [2020-06-22 04:22:12,082 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:12,082 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:12,082 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:12,083 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:12,083 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:12,083 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:12,084 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:12,088 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:22:12,093 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 04:22:12,093 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 04:22:12,093 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:22:12,093 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:22:12,093 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:22:12,094 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-06-22 04:22:12,094 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:22:12,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:12,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:22:12,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:12,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 04:22:12,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 04:22:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:12,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 04:22:12,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:12,199 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 04:22:12,199 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 3 loop predicates [2020-06-22 04:22:12,199 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 12 states and 23 transitions. cyclomatic complexity: 14 Second operand 4 states. [2020-06-22 04:22:12,253 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 12 states and 23 transitions. cyclomatic complexity: 14. Second operand 4 states. Result 30 states and 58 transitions. Complement of second has 8 states. [2020-06-22 04:22:12,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states [2020-06-22 04:22:12,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 04:22:12,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-06-22 04:22:12,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 3 letters. [2020-06-22 04:22:12,256 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:12,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2020-06-22 04:22:12,256 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:12,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 6 letters. [2020-06-22 04:22:12,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:12,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 58 transitions. [2020-06-22 04:22:12,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 04:22:12,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 29 states and 55 transitions. [2020-06-22 04:22:12,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-06-22 04:22:12,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-06-22 04:22:12,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 55 transitions. [2020-06-22 04:22:12,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 04:22:12,263 INFO L706 BuchiCegarLoop]: Abstraction has 29 states and 55 transitions. [2020-06-22 04:22:12,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 55 transitions. [2020-06-22 04:22:12,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2020-06-22 04:22:12,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-06-22 04:22:12,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 45 transitions. [2020-06-22 04:22:12,267 INFO L729 BuchiCegarLoop]: Abstraction has 22 states and 45 transitions. [2020-06-22 04:22:12,267 INFO L609 BuchiCegarLoop]: Abstraction has 22 states and 45 transitions. [2020-06-22 04:22:12,267 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 04:22:12,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 45 transitions. [2020-06-22 04:22:12,268 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-06-22 04:22:12,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:22:12,268 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:22:12,269 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 04:22:12,269 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-06-22 04:22:12,269 INFO L794 eck$LassoCheckResult]: Stem: 143#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_1|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 144#L20-2 [30] L20-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_8) (< 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 149#L18 [32] L18-->L20: Formula: (= 0 |v_ULTIMATE.start_main_#t~nondet3_5|) InVars {ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|} OutVars{ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3] 146#L20 [2020-06-22 04:22:12,269 INFO L796 eck$LassoCheckResult]: Loop: 146#L20 [36] L20-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~z~0_5 (+ v_ULTIMATE.start_main_~z~0_6 (- 1))) (= v_ULTIMATE.start_main_~x~0_4 |v_ULTIMATE.start_main_#t~nondet6_3|) (= 0 |v_ULTIMATE.start_main_#t~nondet4_5|)) InVars {ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_3|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|} OutVars{ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_2|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 154#L20-2 [30] L20-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_8) (< 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 157#L18 [32] L18-->L20: Formula: (= 0 |v_ULTIMATE.start_main_#t~nondet3_5|) InVars {ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|} OutVars{ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3] 146#L20 [2020-06-22 04:22:12,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:12,270 INFO L82 PathProgramCache]: Analyzing trace with hash 56700, now seen corresponding path program 1 times [2020-06-22 04:22:12,270 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:12,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:12,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:12,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:12,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:12,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:12,280 INFO L82 PathProgramCache]: Analyzing trace with hash 65349, now seen corresponding path program 1 times [2020-06-22 04:22:12,280 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:12,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:12,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:12,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:12,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:12,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:12,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1689185258, now seen corresponding path program 1 times [2020-06-22 04:22:12,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:12,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:12,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:12,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:12,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:12,334 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:12,334 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:12,334 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:12,334 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:12,334 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:22:12,334 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:12,335 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:12,335 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:12,335 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 04:22:12,335 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:12,335 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:12,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,419 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:12,419 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:12,429 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:12,429 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:12,434 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:12,434 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4=0} Honda state: {ULTIMATE.start_main_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:12,464 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:12,464 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:12,468 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:12,468 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:12,499 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:12,499 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:12,531 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:22:12,532 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:12,606 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:22:12,608 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:12,609 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:12,609 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:12,609 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:12,609 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:22:12,609 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:22:12,609 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:12,609 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:12,609 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 04:22:12,610 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:12,610 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:12,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,682 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:12,683 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:22:12,683 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 [2020-06-22 04:22:12,684 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:12,684 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:12,684 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:12,684 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:12,684 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:12,685 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:12,685 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:12,686 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:12,687 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 [2020-06-22 04:22:12,687 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:12,687 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:12,687 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:12,688 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:12,688 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:12,688 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:12,688 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:12,690 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:12,690 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 [2020-06-22 04:22:12,690 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:12,690 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:12,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:12,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:12,691 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:12,692 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:12,692 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:12,695 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:22:12,699 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 04:22:12,699 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 04:22:12,700 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:22:12,700 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:22:12,700 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:22:12,700 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~z~0 Supporting invariants [] [2020-06-22 04:22:12,701 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:22:12,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:12,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:22:12,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:12,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 04:22:12,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 04:22:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:12,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 04:22:12,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:12,793 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 04:22:12,793 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 3 loop predicates [2020-06-22 04:22:12,793 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 22 states and 45 transitions. cyclomatic complexity: 28 Second operand 4 states. [2020-06-22 04:22:12,874 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 22 states and 45 transitions. cyclomatic complexity: 28. Second operand 4 states. Result 51 states and 103 transitions. Complement of second has 14 states. [2020-06-22 04:22:12,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states [2020-06-22 04:22:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-06-22 04:22:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2020-06-22 04:22:12,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 3 letters. Loop has 3 letters. [2020-06-22 04:22:12,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:12,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 3 letters. [2020-06-22 04:22:12,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:12,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 3 letters. Loop has 6 letters. [2020-06-22 04:22:12,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:12,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 103 transitions. [2020-06-22 04:22:12,881 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-06-22 04:22:12,882 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 45 states and 95 transitions. [2020-06-22 04:22:12,882 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-06-22 04:22:12,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2020-06-22 04:22:12,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 95 transitions. [2020-06-22 04:22:12,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 04:22:12,883 INFO L706 BuchiCegarLoop]: Abstraction has 45 states and 95 transitions. [2020-06-22 04:22:12,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 95 transitions. [2020-06-22 04:22:12,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2020-06-22 04:22:12,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-06-22 04:22:12,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 81 transitions. [2020-06-22 04:22:12,888 INFO L729 BuchiCegarLoop]: Abstraction has 39 states and 81 transitions. [2020-06-22 04:22:12,888 INFO L609 BuchiCegarLoop]: Abstraction has 39 states and 81 transitions. [2020-06-22 04:22:12,888 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 04:22:12,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 81 transitions. [2020-06-22 04:22:12,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-06-22 04:22:12,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:22:12,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:22:12,892 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2020-06-22 04:22:12,892 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:22:12,892 INFO L794 eck$LassoCheckResult]: Stem: 277#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_1|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 278#L20-2 [30] L20-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_8) (< 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 305#L18 [32] L18-->L20: Formula: (= 0 |v_ULTIMATE.start_main_#t~nondet3_5|) InVars {ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|} OutVars{ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3] 286#L20 [36] L20-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~z~0_5 (+ v_ULTIMATE.start_main_~z~0_6 (- 1))) (= v_ULTIMATE.start_main_~x~0_4 |v_ULTIMATE.start_main_#t~nondet6_3|) (= 0 |v_ULTIMATE.start_main_#t~nondet4_5|)) InVars {ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_3|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|} OutVars{ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_2|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 287#L20-2 [30] L20-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_8) (< 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 297#L18 [44] L18-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1))) (> 0 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~x~0] 284#L20-2 [2020-06-22 04:22:12,892 INFO L796 eck$LassoCheckResult]: Loop: 284#L20-2 [30] L20-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_8) (< 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 285#L18 [43] L18-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1))) (< 0 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~x~0] 284#L20-2 [2020-06-22 04:22:12,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:12,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1689185270, now seen corresponding path program 1 times [2020-06-22 04:22:12,893 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:12,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:12,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:12,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:12,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:12,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:12,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1934, now seen corresponding path program 2 times [2020-06-22 04:22:12,908 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:12,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:12,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:12,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:12,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:12,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:12,914 INFO L82 PathProgramCache]: Analyzing trace with hash -190592445, now seen corresponding path program 1 times [2020-06-22 04:22:12,914 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:12,914 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:12,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:12,915 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 04:22:12,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:12,947 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:12,947 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:12,947 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:12,947 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:12,947 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:22:12,947 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:12,947 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:12,948 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:12,948 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2020-06-22 04:22:12,948 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:12,948 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:12,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:12,998 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:12,998 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:13,003 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:13,003 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:13,030 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:13,030 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=1} Honda state: {ULTIMATE.start_main_~z~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:13,036 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:13,036 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:13,063 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:13,063 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=1} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:13,070 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:13,070 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:13,096 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:13,096 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=1} Honda state: {ULTIMATE.start_main_#t~nondet3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:13,103 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:13,103 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:13,134 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:22:13,134 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:13,163 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:22:13,164 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:13,164 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:13,164 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:13,165 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:13,165 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:22:13,165 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:22:13,165 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:13,165 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:13,165 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop [2020-06-22 04:22:13,165 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:13,165 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:13,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:13,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:13,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:13,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:13,200 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:13,200 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:22:13,201 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 [2020-06-22 04:22:13,202 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:13,202 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:13,202 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:13,202 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:13,202 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:13,203 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:13,203 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:13,204 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:13,205 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 [2020-06-22 04:22:13,205 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:13,205 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:13,206 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:13,206 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:13,206 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:13,206 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:13,206 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:13,207 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:13,208 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 [2020-06-22 04:22:13,208 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:13,208 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:13,208 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:13,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:13,209 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:13,209 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:13,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:13,212 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:13,212 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 [2020-06-22 04:22:13,212 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:13,213 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:13,213 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:13,213 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:13,213 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:13,214 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:13,214 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:13,217 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:22:13,219 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 04:22:13,219 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 04:22:13,219 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:22:13,219 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:22:13,220 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:22:13,220 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-06-22 04:22:13,220 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:22:13,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:13,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:22:13,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:13,252 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 04:22:13,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 04:22:13,271 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 04:22:13,271 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 [2020-06-22 04:22:13,271 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 39 states and 81 transitions. cyclomatic complexity: 49 Second operand 3 states. [2020-06-22 04:22:13,306 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 39 states and 81 transitions. cyclomatic complexity: 49. Second operand 3 states. Result 94 states and 177 transitions. Complement of second has 4 states. [2020-06-22 04:22:13,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 04:22:13,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 04:22:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2020-06-22 04:22:13,307 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 2 letters. [2020-06-22 04:22:13,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:13,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 8 letters. Loop has 2 letters. [2020-06-22 04:22:13,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:13,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 4 letters. [2020-06-22 04:22:13,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:13,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 177 transitions. [2020-06-22 04:22:13,313 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-06-22 04:22:13,314 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 77 states and 148 transitions. [2020-06-22 04:22:13,315 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2020-06-22 04:22:13,315 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-06-22 04:22:13,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 148 transitions. [2020-06-22 04:22:13,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 04:22:13,315 INFO L706 BuchiCegarLoop]: Abstraction has 77 states and 148 transitions. [2020-06-22 04:22:13,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 148 transitions. [2020-06-22 04:22:13,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 55. [2020-06-22 04:22:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-06-22 04:22:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 110 transitions. [2020-06-22 04:22:13,321 INFO L729 BuchiCegarLoop]: Abstraction has 55 states and 110 transitions. [2020-06-22 04:22:13,321 INFO L609 BuchiCegarLoop]: Abstraction has 55 states and 110 transitions. [2020-06-22 04:22:13,321 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2020-06-22 04:22:13,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 110 transitions. [2020-06-22 04:22:13,323 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-06-22 04:22:13,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:22:13,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:22:13,323 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2020-06-22 04:22:13,324 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 04:22:13,324 INFO L794 eck$LassoCheckResult]: Stem: 455#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_1|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 456#L20-2 [30] L20-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_8) (< 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 494#L18 [32] L18-->L20: Formula: (= 0 |v_ULTIMATE.start_main_#t~nondet3_5|) InVars {ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_5|} OutVars{ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3] 464#L20 [36] L20-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~z~0_5 (+ v_ULTIMATE.start_main_~z~0_6 (- 1))) (= v_ULTIMATE.start_main_~x~0_4 |v_ULTIMATE.start_main_#t~nondet6_3|) (= 0 |v_ULTIMATE.start_main_#t~nondet4_5|)) InVars {ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_3|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_5|} OutVars{ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_2|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_4|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 465#L20-2 [30] L20-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_8) (< 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 467#L18 [43] L18-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1))) (< 0 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~x~0] 470#L20-2 [2020-06-22 04:22:13,324 INFO L796 eck$LassoCheckResult]: Loop: 470#L20-2 [30] L20-2-->L18: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_7) (< 0 v_ULTIMATE.start_main_~z~0_8) (< 0 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[] 472#L18 [43] L18-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1))) (< 0 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~x~0] 470#L20-2 [2020-06-22 04:22:13,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:13,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1689185269, now seen corresponding path program 1 times [2020-06-22 04:22:13,325 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:13,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:13,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:13,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:13,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:13,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:13,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1934, now seen corresponding path program 3 times [2020-06-22 04:22:13,336 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:13,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:13,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:13,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:13,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:13,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:13,341 INFO L82 PathProgramCache]: Analyzing trace with hash -190593406, now seen corresponding path program 2 times [2020-06-22 04:22:13,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:13,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:13,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:13,342 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 04:22:13,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:13,370 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:13,370 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:13,370 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:13,370 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:13,371 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:22:13,371 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:13,371 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:13,371 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:13,371 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop [2020-06-22 04:22:13,371 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:13,371 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:13,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:13,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:13,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:13,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:13,419 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:13,419 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:13,423 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:13,424 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:13,450 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:13,450 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=1} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:13,455 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:13,456 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:13,482 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:13,482 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=1} Honda state: {ULTIMATE.start_main_~z~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:13,487 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:13,488 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:13,514 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:13,514 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=1} Honda state: {ULTIMATE.start_main_#t~nondet3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:13,520 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:13,520 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 [2020-06-22 04:22:13,551 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:22:13,551 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:13,579 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:22:13,582 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:13,583 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:13,583 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:13,583 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:13,583 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:22:13,583 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:22:13,583 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:13,583 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:13,583 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration5_Loop [2020-06-22 04:22:13,584 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:13,584 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:13,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:13,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:13,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:13,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:13,619 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:13,620 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:22:13,620 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 [2020-06-22 04:22:13,621 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:13,621 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:13,621 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:13,621 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:13,621 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:13,622 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:13,622 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:13,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:13,623 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 [2020-06-22 04:22:13,624 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:13,624 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:13,624 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:13,624 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:13,624 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:13,625 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:13,625 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:13,626 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:13,626 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 [2020-06-22 04:22:13,626 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:13,626 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:13,627 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:13,627 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:13,627 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:13,627 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:13,627 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:13,629 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:13,630 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 [2020-06-22 04:22:13,630 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:13,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:13,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:13,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:13,630 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:13,631 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:13,631 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:13,634 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:22:13,636 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 04:22:13,637 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 04:22:13,637 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:22:13,637 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 04:22:13,637 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:22:13,637 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-06-22 04:22:13,638 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 04:22:13,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:13,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 04:22:13,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:13,661 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 04:22:13,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 04:22:13,678 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 04:22:13,678 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 [2020-06-22 04:22:13,678 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 55 states and 110 transitions. cyclomatic complexity: 61 Second operand 3 states. [2020-06-22 04:22:13,714 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 55 states and 110 transitions. cyclomatic complexity: 61. Second operand 3 states. Result 138 states and 263 transitions. Complement of second has 4 states. [2020-06-22 04:22:13,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 04:22:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 04:22:13,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2020-06-22 04:22:13,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 2 letters. [2020-06-22 04:22:13,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:13,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 8 letters. Loop has 2 letters. [2020-06-22 04:22:13,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:13,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 4 letters. [2020-06-22 04:22:13,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:13,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 138 states and 263 transitions. [2020-06-22 04:22:13,720 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 04:22:13,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 138 states to 0 states and 0 transitions. [2020-06-22 04:22:13,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 04:22:13,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 04:22:13,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 04:22:13,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 04:22:13,721 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:22:13,721 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:22:13,721 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:22:13,721 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2020-06-22 04:22:13,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 04:22:13,721 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 04:22:13,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 04:22:13,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:22:13 BasicIcfg [2020-06-22 04:22:13,727 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 04:22:13,728 INFO L168 Benchmark]: Toolchain (without parser) took 3557.07 ms. Allocated memory was 514.9 MB in the beginning and 605.0 MB in the end (delta: 90.2 MB). Free memory was 436.8 MB in the beginning and 527.6 MB in the end (delta: -90.8 MB). There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 04:22:13,730 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 457.3 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 04:22:13,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.72 ms. Allocated memory was 514.9 MB in the beginning and 569.4 MB in the end (delta: 54.5 MB). Free memory was 436.8 MB in the beginning and 540.7 MB in the end (delta: -103.9 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:13,731 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.21 ms. Allocated memory is still 569.4 MB. Free memory was 540.7 MB in the beginning and 539.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:13,731 INFO L168 Benchmark]: Boogie Preprocessor took 19.26 ms. Allocated memory is still 569.4 MB. Free memory was 539.1 MB in the beginning and 538.2 MB in the end (delta: 839.9 kB). Peak memory consumption was 839.9 kB. Max. memory is 50.3 GB. [2020-06-22 04:22:13,732 INFO L168 Benchmark]: RCFGBuilder took 201.24 ms. Allocated memory is still 569.4 MB. Free memory was 538.2 MB in the beginning and 526.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:13,732 INFO L168 Benchmark]: BlockEncodingV2 took 76.14 ms. Allocated memory is still 569.4 MB. Free memory was 526.3 MB in the beginning and 521.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:13,733 INFO L168 Benchmark]: TraceAbstraction took 153.55 ms. Allocated memory is still 569.4 MB. Free memory was 521.0 MB in the beginning and 511.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:13,735 INFO L168 Benchmark]: BuchiAutomizer took 2788.66 ms. Allocated memory was 569.4 MB in the beginning and 605.0 MB in the end (delta: 35.7 MB). Free memory was 511.8 MB in the beginning and 527.6 MB in the end (delta: -15.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:13,739 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 10 edges - StatisticsResult: Encoded RCFG 4 locations, 8 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 457.3 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 278.72 ms. Allocated memory was 514.9 MB in the beginning and 569.4 MB in the end (delta: 54.5 MB). Free memory was 436.8 MB in the beginning and 540.7 MB in the end (delta: -103.9 MB). Peak memory consumption was 29.3 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.21 ms. Allocated memory is still 569.4 MB. Free memory was 540.7 MB in the beginning and 539.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 19.26 ms. Allocated memory is still 569.4 MB. Free memory was 539.1 MB in the beginning and 538.2 MB in the end (delta: 839.9 kB). Peak memory consumption was 839.9 kB. Max. memory is 50.3 GB. * RCFGBuilder took 201.24 ms. Allocated memory is still 569.4 MB. Free memory was 538.2 MB in the beginning and 526.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 76.14 ms. Allocated memory is still 569.4 MB. Free memory was 526.3 MB in the beginning and 521.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 153.55 ms. Allocated memory is still 569.4 MB. Free memory was 521.0 MB in the beginning and 511.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 2788.66 ms. Allocated memory was 569.4 MB in the beginning and 605.0 MB in the end (delta: 35.7 MB). Free memory was 511.8 MB in the beginning and 527.6 MB in the end (delta: -15.8 MB). Peak memory consumption was 19.8 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: 17]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 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=4occurred 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 5 terminating modules (0 trivial, 0 deterministic, 5 nondeterministic). One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function z and consists of 5 locations. One nondeterministic module has affine ranking function x and consists of 3 locations. One nondeterministic module has affine ranking function x and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 1.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 36 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 55 states and ocurred in iteration 4. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 29 SDtfs, 81 SDslu, 24 SDs, 0 SdLazy, 116 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT5 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 04:22:13.970 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check