NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 01:35:53,249 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 01:35:53,251 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 01:35:53,262 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 01:35:53,262 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 01:35:53,263 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 01:35:53,264 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 01:35:53,266 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 01:35:53,267 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 01:35:53,268 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 01:35:53,269 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 01:35:53,269 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 01:35:53,270 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 01:35:53,271 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 01:35:53,272 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 01:35:53,273 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 01:35:53,273 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 01:35:53,275 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 01:35:53,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 01:35:53,278 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 01:35:53,279 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 01:35:53,281 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 01:35:53,283 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 01:35:53,283 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 01:35:53,283 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 01:35:53,284 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 01:35:53,284 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 01:35:53,285 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 01:35:53,285 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 01:35:53,286 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 01:35:53,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 01:35:53,287 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 01:35:53,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 01:35:53,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 01:35:53,290 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 01:35:53,290 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 01:35:53,290 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 01:35:53,291 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 01:35:53,292 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 01:35:53,292 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 01:35:53,306 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 01:35:53,307 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 01:35:53,308 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 01:35:53,308 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 01:35:53,308 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 01:35:53,308 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 01:35:53,309 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 01:35:53,309 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 01:35:53,309 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 01:35:53,309 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 01:35:53,309 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 01:35:53,309 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 01:35:53,310 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 01:35:53,310 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 01:35:53,310 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:53,310 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 01:35:53,310 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 01:35:53,311 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 01:35:53,311 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 01:35:53,311 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 01:35:53,311 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 01:35:53,311 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 01:35:53,311 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 01:35:53,312 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 01:35:53,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 01:35:53,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 01:35:53,312 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 01:35:53,312 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 01:35:53,312 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 01:35:53,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 01:35:53,351 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 01:35:53,355 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 01:35:53,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 01:35:53,357 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 01:35:53,357 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 01:35:53,427 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/be81a968689647f889a315bcb5e02bb9/FLAG322502f98 !SESSION 2020-06-22 01:35:50.955 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.cdt.core 1 0 2020-06-22 01:35:53.695 !MESSAGE Indexed 'FLAG322502f98' (0 sources, 0 headers) in 0.007 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) [2020-06-22 01:35:53,769 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 01:35:53,770 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 01:35:53,776 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/be81a968689647f889a315bcb5e02bb9/FLAG322502f98 [2020-06-22 01:35:54,257 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/be81a968689647f889a315bcb5e02bb9 [2020-06-22 01:35:54,268 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 01:35:54,270 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 01:35:54,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 01:35:54,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 01:35:54,275 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 01:35:54,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 01:35:54" (1/1) ... [2020-06-22 01:35:54,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472720c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54, skipping insertion in model container [2020-06-22 01:35:54,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 01:35:54" (1/1) ... [2020-06-22 01:35:54,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 01:35:54,303 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 01:35:54,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 01:35:54,458 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 01:35:54,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 01:35:54,540 INFO L195 MainTranslator]: Completed translation [2020-06-22 01:35:54,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54 WrapperNode [2020-06-22 01:35:54,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 01:35:54,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 01:35:54,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 01:35:54,542 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 01:35:54,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54" (1/1) ... [2020-06-22 01:35:54,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54" (1/1) ... [2020-06-22 01:35:54,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 01:35:54,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 01:35:54,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 01:35:54,575 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 01:35:54,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54" (1/1) ... [2020-06-22 01:35:54,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54" (1/1) ... [2020-06-22 01:35:54,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54" (1/1) ... [2020-06-22 01:35:54,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54" (1/1) ... [2020-06-22 01:35:54,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54" (1/1) ... [2020-06-22 01:35:54,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54" (1/1) ... [2020-06-22 01:35:54,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54" (1/1) ... [2020-06-22 01:35:54,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 01:35:54,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 01:35:54,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 01:35:54,594 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 01:35:54,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 01:35:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 01:35:54,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 01:35:54,786 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 01:35:54,787 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2020-06-22 01:35:54,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:35:54 BoogieIcfgContainer [2020-06-22 01:35:54,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 01:35:54,789 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 01:35:54,789 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 01:35:54,791 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 01:35:54,792 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:35:54" (1/1) ... [2020-06-22 01:35:54,806 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges [2020-06-22 01:35:54,807 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 01:35:54,808 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 01:35:54,808 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 01:35:54,809 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 01:35:54,811 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 01:35:54,811 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 01:35:54,812 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 01:35:54,825 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 01:35:54,832 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 01:35:54,837 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2020-06-22 01:35:54,838 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 01:35:54,853 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2020-06-22 01:35:54,855 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 01:35:54,857 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 01:35:54,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 01:35:54,857 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 01:35:54,857 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 01:35:54,858 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-06-22 01:35:54,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 01:35:54 BasicIcfg [2020-06-22 01:35:54,858 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 01:35:54,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 01:35:54,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 01:35:54,862 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 01:35:54,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 01:35:54" (1/4) ... [2020-06-22 01:35:54,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9544217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:35:54, skipping insertion in model container [2020-06-22 01:35:54,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54" (2/4) ... [2020-06-22 01:35:54,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9544217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 01:35:54, skipping insertion in model container [2020-06-22 01:35:54,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:35:54" (3/4) ... [2020-06-22 01:35:54,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9544217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:35:54, skipping insertion in model container [2020-06-22 01:35:54,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 01:35:54" (4/4) ... [2020-06-22 01:35:54,866 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 01:35:54,876 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 01:35:54,883 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 01:35:54,901 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 01:35:54,929 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 01:35:54,930 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 01:35:54,930 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 01:35:54,931 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 01:35:54,931 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 01:35:54,931 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 01:35:54,931 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 01:35:54,931 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 01:35:54,931 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 01:35:54,945 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 01:35:54,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 01:35:54,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 01:35:55,004 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 01:35:55,004 INFO L451 ceAbstractionStarter]: At program point L12-2(lines 12 14) the Hoare annotation is: true [2020-06-22 01:35:55,005 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 10 16) the Hoare annotation is: true [2020-06-22 01:35:55,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:35:55 BasicIcfg [2020-06-22 01:35:55,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 01:35:55,014 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 01:35:55,014 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 01:35:55,017 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 01:35:55,018 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:35:55,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 01:35:54" (1/5) ... [2020-06-22 01:35:55,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c001540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 01:35:55, skipping insertion in model container [2020-06-22 01:35:55,019 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:35:55,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 01:35:54" (2/5) ... [2020-06-22 01:35:55,019 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c001540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 01:35:55, skipping insertion in model container [2020-06-22 01:35:55,019 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:35:55,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 01:35:54" (3/5) ... [2020-06-22 01:35:55,020 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c001540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 01:35:55, skipping insertion in model container [2020-06-22 01:35:55,020 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:35:55,020 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 01:35:54" (4/5) ... [2020-06-22 01:35:55,020 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c001540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 01:35:55, skipping insertion in model container [2020-06-22 01:35:55,020 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 01:35:55,021 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 01:35:55" (5/5) ... [2020-06-22 01:35:55,022 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 01:35:55,050 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 01:35:55,050 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 01:35:55,051 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 01:35:55,051 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 01:35:55,051 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 01:35:55,051 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 01:35:55,051 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 01:35:55,051 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 01:35:55,051 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 01:35:55,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 01:35:55,071 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 01:35:55,071 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 01:35:55,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 01:35:55,076 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 01:35:55,077 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 01:35:55,077 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 01:35:55,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 01:35:55,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 01:35:55,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 01:35:55,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 01:35:55,078 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 01:35:55,078 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 01:35:55,083 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L10-2true [2020-06-22 01:35:55,083 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [39] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 3#L12-2true [45] L12-2-->L10-2: Formula: (and (<= v_ULTIMATE.start_main_~j~0_8 0) (= (+ v_ULTIMATE.start_main_~i~0_12 1) v_ULTIMATE.start_main_~i~0_11)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true [2020-06-22 01:35:55,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:35:55,090 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times [2020-06-22 01:35:55,091 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:35:55,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:35:55,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:35:55,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:35:55,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:35:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:35:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:35:55,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:35:55,162 INFO L82 PathProgramCache]: Analyzing trace with hash 2215, now seen corresponding path program 1 times [2020-06-22 01:35:55,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:35:55,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:35:55,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:35:55,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:35:55,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:35:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:35:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:35:55,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:35:55,179 INFO L82 PathProgramCache]: Analyzing trace with hash 63719, now seen corresponding path program 1 times [2020-06-22 01:35:55,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:35:55,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:35:55,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:35:55,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:35:55,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:35:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:35:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:35:55,247 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 01:35:55,248 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 01:35:55,248 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 01:35:55,248 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 01:35:55,248 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 01:35:55,248 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:55,248 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 01:35:55,249 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 01:35:55,249 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 01:35:55,249 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 01:35:55,249 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 01:35:55,268 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 01:35:55,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:35:55,282 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 01:35:55,364 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 01:35:55,365 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:55,372 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:35:55,372 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:35:55,404 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:35:55,405 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:55,410 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:35:55,410 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:35:55,437 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:35:55,437 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:55,442 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:35:55,442 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:55,473 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 01:35:55,473 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:35:55,619 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 01:35:55,621 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 01:35:55,621 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 01:35:55,621 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 01:35:55,621 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 01:35:55,622 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 01:35:55,622 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 01:35:55,622 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 01:35:55,622 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 01:35:55,622 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 01:35:55,622 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 01:35:55,622 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 01:35:55,624 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 01:35:55,628 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 01:35:55,636 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 01:35:55,726 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 01:35:55,732 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 01:35:55,733 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 01:35:55,735 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 01:35:55,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 01:35:55,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 01:35:55,736 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 01:35:55,740 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 01:35:55,741 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 01:35:55,749 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 01:35:55,750 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 01:35:55,751 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 01:35:55,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 01:35:55,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 01:35:55,751 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 01:35:55,754 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 01:35:55,754 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 01:35:55,763 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 01:35:55,763 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 01:35:55,764 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 01:35:55,764 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 01:35:55,765 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 01:35:55,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 01:35:55,765 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 01:35:55,766 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 01:35:55,766 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 01:35:55,774 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 01:35:55,781 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 01:35:55,781 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 01:35:55,783 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 01:35:55,783 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 01:35:55,783 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 01:35:55,784 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2020-06-22 01:35:55,785 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 01:35:55,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:35:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 01:35:55,827 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 01:35:55,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 01:35:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 01:35:55,839 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 01:35:55,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 01:35:55,854 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 01:35:55,879 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 01:35:55,884 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 01:35:55,885 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-06-22 01:35:55,914 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. [2020-06-22 01:35:55,914 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 01:35:55,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 01:35:55,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-06-22 01:35:55,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 01:35:55,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 01:35:55,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 01:35:55,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 01:35:55,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 01:35:55,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 01:35:55,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. [2020-06-22 01:35:55,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 01:35:55,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. [2020-06-22 01:35:55,932 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-22 01:35:55,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-06-22 01:35:55,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. [2020-06-22 01:35:55,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 01:35:55,933 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2020-06-22 01:35:55,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. [2020-06-22 01:35:55,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. [2020-06-22 01:35:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 01:35:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2020-06-22 01:35:55,962 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2020-06-22 01:35:55,963 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. [2020-06-22 01:35:55,963 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 01:35:55,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. [2020-06-22 01:35:55,963 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 01:35:55,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 01:35:55,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 01:35:55,964 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 01:35:55,964 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 01:35:55,964 INFO L794 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 46#L10-2 [39] L10-2-->L12-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 10) (= v_ULTIMATE.start_main_~j~0_7 v_ULTIMATE.start_main_~i~0_9)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 42#L12-2 [2020-06-22 01:35:55,965 INFO L796 eck$LassoCheckResult]: Loop: 42#L12-2 [33] L12-2-->L12-2: Formula: (and (< 0 v_ULTIMATE.start_main_~j~0_6) (= v_ULTIMATE.start_main_~j~0_5 (+ v_ULTIMATE.start_main_~j~0_6 1))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 42#L12-2 [2020-06-22 01:35:55,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:35:55,965 INFO L82 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 1 times [2020-06-22 01:35:55,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:35:55,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:35:55,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:35:55,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:35:55,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:35:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:35:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:35:55,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:35:55,973 INFO L82 PathProgramCache]: Analyzing trace with hash 64, now seen corresponding path program 1 times [2020-06-22 01:35:55,973 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:35:55,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:35:55,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:35:55,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:35:55,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:35:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:35:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:35:55,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 01:35:55,979 INFO L82 PathProgramCache]: Analyzing trace with hash 63707, now seen corresponding path program 1 times [2020-06-22 01:35:55,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 01:35:55,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 01:35:55,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:35:55,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 01:35:55,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 01:35:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:35:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 01:35:56,008 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 01:35:56,009 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 01:35:56,009 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 01:35:56,009 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 01:35:56,009 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 01:35:56,009 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:56,009 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 01:35:56,010 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 01:35:56,010 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 01:35:56,010 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 01:35:56,010 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 01:35:56,011 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 01:35:56,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 01:35:56,021 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 01:35:56,072 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 01:35:56,072 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:56,077 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:35:56,077 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:35:56,104 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:35:56,105 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:56,110 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:35:56,110 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:56,141 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 01:35:56,141 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:35:56,152 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:35:56,153 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0=1} Honda state: {ULTIMATE.start_main_~j~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~j~0=0}, {ULTIMATE.start_main_~j~0=1}, {ULTIMATE.start_main_~j~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:56,184 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:35:56,184 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:35:56,216 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:35:56,217 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 01:35:56,232 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 01:35:56,232 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 01:35:56,232 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 01:35:56,233 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 01:35:56,233 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 01:35:56,233 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:56,233 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 01:35:56,233 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 01:35:56,233 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-06-22 01:35:56,233 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 01:35:56,233 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 01:35:56,235 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 01:35:56,237 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 01:35:56,240 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 01:35:56,242 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 01:35:56,244 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 01:35:56,328 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 01:35:56,328 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:56,335 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:35:56,336 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:35:56,340 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:35:56,340 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 01:35:56,370 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:35:56,371 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:35:56,398 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:35:56,398 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_4=0} Honda state: {v_rep~unnamed0~0~false_4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:56,410 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:35:56,411 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:35:56,416 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:35:56,417 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 01:35:56,446 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:35:56,446 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:35:56,474 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:35:56,474 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_4=1} Honda state: {v_rep~unnamed0~0~true_4=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:56,480 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 01:35:56,480 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 01:35:56,512 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 01:35:56,513 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 01:35:56,532 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 01:35:56,532 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~j~0=0} Honda state: {ULTIMATE.start_main_~i~0=1, ULTIMATE.start_main_~j~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~i~0=15, ULTIMATE.start_main_~j~0=0}, {ULTIMATE.start_main_~i~0=-15, ULTIMATE.start_main_~j~0=1}, {ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~j~0=0}] Lambdas: [1, 1, 0] Nus: [0, 0] [2020-06-22 01:35:56,564 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,565 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,566 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,566 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,567 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,567 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,568 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,568 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,568 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,569 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 01:35:56 BasicIcfg [2020-06-22 01:35:56,580 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 01:35:56,580 INFO L168 Benchmark]: Toolchain (without parser) took 2311.35 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 560.7 MB in the beginning and 461.3 MB in the end (delta: 99.4 MB). Peak memory consumption was 125.6 MB. Max. memory is 50.3 GB. [2020-06-22 01:35:56,582 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 01:35:56,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.25 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 560.7 MB in the beginning and 642.7 MB in the end (delta: -82.0 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. [2020-06-22 01:35:56,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.68 ms. Allocated memory is still 675.8 MB. Free memory was 642.7 MB in the beginning and 639.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-22 01:35:56,583 INFO L168 Benchmark]: Boogie Preprocessor took 18.70 ms. Allocated memory is still 675.8 MB. Free memory was 639.8 MB in the beginning and 638.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 01:35:56,584 INFO L168 Benchmark]: RCFGBuilder took 194.85 ms. Allocated memory is still 675.8 MB. Free memory was 638.8 MB in the beginning and 625.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. [2020-06-22 01:35:56,585 INFO L168 Benchmark]: BlockEncodingV2 took 69.68 ms. Allocated memory is still 675.8 MB. Free memory was 625.2 MB in the beginning and 620.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. [2020-06-22 01:35:56,585 INFO L168 Benchmark]: TraceAbstraction took 153.91 ms. Allocated memory is still 675.8 MB. Free memory was 619.8 MB in the beginning and 611.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. [2020-06-22 01:35:56,586 INFO L168 Benchmark]: BuchiAutomizer took 1566.02 ms. Allocated memory is still 675.8 MB. Free memory was 611.0 MB in the beginning and 461.3 MB in the end (delta: 149.7 MB). Peak memory consumption was 149.7 MB. Max. memory is 50.3 GB. [2020-06-22 01:35:56,591 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 8 locations, 11 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 580.4 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 270.25 ms. Allocated memory was 649.6 MB in the beginning and 675.8 MB in the end (delta: 26.2 MB). Free memory was 560.7 MB in the beginning and 642.7 MB in the end (delta: -82.0 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.68 ms. Allocated memory is still 675.8 MB. Free memory was 642.7 MB in the beginning and 639.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.70 ms. Allocated memory is still 675.8 MB. Free memory was 639.8 MB in the beginning and 638.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 194.85 ms. Allocated memory is still 675.8 MB. Free memory was 638.8 MB in the beginning and 625.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 69.68 ms. Allocated memory is still 675.8 MB. Free memory was 625.2 MB in the beginning and 620.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 153.91 ms. Allocated memory is still 675.8 MB. Free memory was 619.8 MB in the beginning and 611.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 1566.02 ms. Allocated memory is still 675.8 MB. Free memory was 611.0 MB in the beginning and 461.3 MB in the end (delta: 149.7 MB). Peak memory consumption was 149.7 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * 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: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function -2 * i + 1 and consists of 3 locations. The remainder module has 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 5 SDslu, 0 SDs, 0 SdLazy, 7 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax194 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 12]: Nontermination argument in form of an infinite program execution. [2020-06-22 01:35:56,600 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,601 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,601 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,601 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,602 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,602 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,602 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,603 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,603 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,603 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,604 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,604 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,605 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,605 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,605 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,606 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,606 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,606 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2020-06-22 01:35:56,607 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2020-06-22 01:35:56,607 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution {~unnamed0~0~false=0, |ULTIMATE.start_main_#t~nondet0|=0, ULTIMATE.start_main_~i~0=0, ULTIMATE.start_main_~j~0=0, |ULTIMATE.start_main_#res|=0, ~unnamed0~0~true=1} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a1e48d7=0, \result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=1, j=1} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a1e48d7=0, \result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=1, j=2} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a1e48d7=0, \result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=1, j=3} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a1e48d7=0, \result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=1, j=4} {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a1e48d7=0, \result=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, i=1, j=5} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 2GEVs Lambdas: [1, 1, 0] Mus: [0, 0] - NonterminatingLassoResult [Line: 12]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int j; [L8] i = __VERIFIER_nondet_int() [L10] COND TRUE i < 10 [L11] j = i Loop: [L12] COND TRUE j > 0 [L13] j = j+1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 01:35:56.830 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check