13.56/6.38 NO 13.56/6.38 13.56/6.38 Ultimate: Cannot open display: 13.56/6.38 This is Ultimate 0.1.24-8dc7c08-m 13.56/6.38 [2019-03-28 22:45:59,828 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.56/6.38 [2019-03-28 22:45:59,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.56/6.38 [2019-03-28 22:45:59,842 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.56/6.38 [2019-03-28 22:45:59,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.56/6.38 [2019-03-28 22:45:59,844 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.56/6.38 [2019-03-28 22:45:59,845 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.56/6.38 [2019-03-28 22:45:59,846 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.56/6.38 [2019-03-28 22:45:59,848 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.56/6.38 [2019-03-28 22:45:59,849 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.56/6.38 [2019-03-28 22:45:59,850 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.56/6.38 [2019-03-28 22:45:59,850 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.56/6.38 [2019-03-28 22:45:59,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.56/6.38 [2019-03-28 22:45:59,852 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.56/6.38 [2019-03-28 22:45:59,853 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.56/6.38 [2019-03-28 22:45:59,854 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.56/6.38 [2019-03-28 22:45:59,854 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.56/6.38 [2019-03-28 22:45:59,856 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.56/6.38 [2019-03-28 22:45:59,858 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.56/6.38 [2019-03-28 22:45:59,860 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.56/6.38 [2019-03-28 22:45:59,861 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.56/6.38 [2019-03-28 22:45:59,862 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.56/6.38 [2019-03-28 22:45:59,864 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.56/6.38 [2019-03-28 22:45:59,865 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.56/6.38 [2019-03-28 22:45:59,865 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.56/6.38 [2019-03-28 22:45:59,866 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.56/6.38 [2019-03-28 22:45:59,866 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.56/6.38 [2019-03-28 22:45:59,867 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.56/6.38 [2019-03-28 22:45:59,867 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.56/6.38 [2019-03-28 22:45:59,868 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.56/6.38 [2019-03-28 22:45:59,869 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.56/6.38 [2019-03-28 22:45:59,870 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.56/6.38 [2019-03-28 22:45:59,871 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.56/6.38 [2019-03-28 22:45:59,871 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.56/6.38 [2019-03-28 22:45:59,871 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.56/6.38 [2019-03-28 22:45:59,872 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.56/6.38 [2019-03-28 22:45:59,872 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.56/6.38 [2019-03-28 22:45:59,873 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.56/6.38 [2019-03-28 22:45:59,873 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.56/6.38 [2019-03-28 22:45:59,874 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.56/6.38 [2019-03-28 22:45:59,889 INFO L110 SettingsManager]: Loading preferences was successful 13.56/6.38 [2019-03-28 22:45:59,889 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.56/6.38 [2019-03-28 22:45:59,890 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.56/6.38 [2019-03-28 22:45:59,891 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.56/6.38 [2019-03-28 22:45:59,891 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.56/6.38 [2019-03-28 22:45:59,891 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.56/6.38 [2019-03-28 22:45:59,891 INFO L133 SettingsManager]: * Use SBE=true 13.56/6.38 [2019-03-28 22:45:59,892 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.56/6.38 [2019-03-28 22:45:59,892 INFO L133 SettingsManager]: * Use old map elimination=false 13.56/6.38 [2019-03-28 22:45:59,892 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.56/6.38 [2019-03-28 22:45:59,892 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.56/6.38 [2019-03-28 22:45:59,892 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.56/6.38 [2019-03-28 22:45:59,892 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.56/6.38 [2019-03-28 22:45:59,893 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.56/6.38 [2019-03-28 22:45:59,893 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:45:59,893 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.56/6.38 [2019-03-28 22:45:59,893 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.56/6.38 [2019-03-28 22:45:59,893 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.56/6.38 [2019-03-28 22:45:59,894 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.56/6.38 [2019-03-28 22:45:59,894 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.56/6.38 [2019-03-28 22:45:59,894 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.56/6.38 [2019-03-28 22:45:59,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.56/6.38 [2019-03-28 22:45:59,894 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.56/6.38 [2019-03-28 22:45:59,895 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.56/6.38 [2019-03-28 22:45:59,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.56/6.38 [2019-03-28 22:45:59,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.56/6.38 [2019-03-28 22:45:59,895 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.56/6.38 [2019-03-28 22:45:59,895 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.56/6.38 [2019-03-28 22:45:59,895 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.56/6.38 [2019-03-28 22:45:59,922 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.56/6.38 [2019-03-28 22:45:59,936 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.56/6.38 [2019-03-28 22:45:59,939 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.56/6.38 [2019-03-28 22:45:59,941 INFO L271 PluginConnector]: Initializing CDTParser... 13.56/6.38 [2019-03-28 22:45:59,941 INFO L276 PluginConnector]: CDTParser initialized 13.56/6.38 [2019-03-28 22:45:59,942 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.56/6.38 [2019-03-28 22:46:00,009 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/012c01f13d3b4d7bb7c0b187103f2449/FLAG147bd9abc 13.56/6.38 [2019-03-28 22:46:00,347 INFO L307 CDTParser]: Found 1 translation units. 13.56/6.38 [2019-03-28 22:46:00,348 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.56/6.38 [2019-03-28 22:46:00,354 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/012c01f13d3b4d7bb7c0b187103f2449/FLAG147bd9abc 13.56/6.38 [2019-03-28 22:46:00,752 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/012c01f13d3b4d7bb7c0b187103f2449 13.56/6.38 [2019-03-28 22:46:00,763 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.56/6.38 [2019-03-28 22:46:00,765 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.56/6.38 [2019-03-28 22:46:00,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.56/6.38 [2019-03-28 22:46:00,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.56/6.38 [2019-03-28 22:46:00,769 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.56/6.38 [2019-03-28 22:46:00,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:46:00" (1/1) ... 13.56/6.38 [2019-03-28 22:46:00,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2745115e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00, skipping insertion in model container 13.56/6.38 [2019-03-28 22:46:00,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:46:00" (1/1) ... 13.56/6.38 [2019-03-28 22:46:00,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.56/6.38 [2019-03-28 22:46:00,798 INFO L176 MainTranslator]: Built tables and reachable declarations 13.56/6.38 [2019-03-28 22:46:00,955 INFO L206 PostProcessor]: Analyzing one entry point: main 13.56/6.38 [2019-03-28 22:46:00,960 INFO L191 MainTranslator]: Completed pre-run 13.56/6.38 [2019-03-28 22:46:00,977 INFO L206 PostProcessor]: Analyzing one entry point: main 13.56/6.38 [2019-03-28 22:46:00,992 INFO L195 MainTranslator]: Completed translation 13.56/6.38 [2019-03-28 22:46:00,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00 WrapperNode 13.56/6.38 [2019-03-28 22:46:00,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.56/6.38 [2019-03-28 22:46:00,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.56/6.38 [2019-03-28 22:46:00,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.56/6.38 [2019-03-28 22:46:00,993 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.56/6.38 [2019-03-28 22:46:01,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00" (1/1) ... 13.56/6.38 [2019-03-28 22:46:01,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00" (1/1) ... 13.56/6.38 [2019-03-28 22:46:01,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.56/6.38 [2019-03-28 22:46:01,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.56/6.38 [2019-03-28 22:46:01,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.56/6.38 [2019-03-28 22:46:01,100 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.56/6.38 [2019-03-28 22:46:01,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00" (1/1) ... 13.56/6.38 [2019-03-28 22:46:01,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00" (1/1) ... 13.56/6.38 [2019-03-28 22:46:01,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00" (1/1) ... 13.56/6.38 [2019-03-28 22:46:01,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00" (1/1) ... 13.56/6.38 [2019-03-28 22:46:01,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00" (1/1) ... 13.56/6.38 [2019-03-28 22:46:01,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00" (1/1) ... 13.56/6.38 [2019-03-28 22:46:01,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00" (1/1) ... 13.56/6.38 [2019-03-28 22:46:01,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.56/6.38 [2019-03-28 22:46:01,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.56/6.38 [2019-03-28 22:46:01,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.56/6.38 [2019-03-28 22:46:01,121 INFO L276 PluginConnector]: RCFGBuilder initialized 13.56/6.38 [2019-03-28 22:46:01,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00" (1/1) ... 13.56/6.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.56/6.38 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.56/6.38 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.56/6.38 [2019-03-28 22:46:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.56/6.38 [2019-03-28 22:46:01,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.56/6.38 [2019-03-28 22:46:01,322 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.56/6.38 [2019-03-28 22:46:01,323 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.56/6.38 [2019-03-28 22:46:01,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:46:01 BoogieIcfgContainer 13.56/6.38 [2019-03-28 22:46:01,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.56/6.38 [2019-03-28 22:46:01,325 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.56/6.38 [2019-03-28 22:46:01,325 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.56/6.38 [2019-03-28 22:46:01,328 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.56/6.38 [2019-03-28 22:46:01,328 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:46:01" (1/1) ... 13.56/6.38 [2019-03-28 22:46:01,344 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 13.56/6.38 [2019-03-28 22:46:01,346 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.56/6.38 [2019-03-28 22:46:01,347 INFO L263 BlockEncoder]: Using Maximize final states 13.56/6.38 [2019-03-28 22:46:01,348 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.56/6.38 [2019-03-28 22:46:01,348 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.56/6.38 [2019-03-28 22:46:01,350 INFO L296 BlockEncoder]: Using Remove sink states 13.56/6.38 [2019-03-28 22:46:01,351 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.56/6.38 [2019-03-28 22:46:01,352 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.56/6.38 [2019-03-28 22:46:01,366 INFO L185 BlockEncoder]: Using Use SBE 13.56/6.38 [2019-03-28 22:46:01,374 INFO L200 BlockEncoder]: SBE split 0 edges 13.56/6.38 [2019-03-28 22:46:01,379 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.56/6.38 [2019-03-28 22:46:01,381 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.56/6.38 [2019-03-28 22:46:01,391 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.56/6.38 [2019-03-28 22:46:01,393 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 13.56/6.38 [2019-03-28 22:46:01,395 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.56/6.38 [2019-03-28 22:46:01,395 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.56/6.38 [2019-03-28 22:46:01,400 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 13.56/6.38 [2019-03-28 22:46:01,400 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.56/6.38 [2019-03-28 22:46:01,400 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.56/6.38 [2019-03-28 22:46:01,401 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.56/6.38 [2019-03-28 22:46:01,401 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.56/6.38 [2019-03-28 22:46:01,401 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.56/6.38 [2019-03-28 22:46:01,401 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 13.56/6.38 [2019-03-28 22:46:01,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:46:01 BasicIcfg 13.56/6.38 [2019-03-28 22:46:01,402 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.56/6.38 [2019-03-28 22:46:01,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.56/6.38 [2019-03-28 22:46:01,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.56/6.38 [2019-03-28 22:46:01,407 INFO L276 PluginConnector]: TraceAbstraction initialized 13.56/6.38 [2019-03-28 22:46:01,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:46:00" (1/4) ... 13.56/6.38 [2019-03-28 22:46:01,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e33452a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:46:01, skipping insertion in model container 13.56/6.38 [2019-03-28 22:46:01,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00" (2/4) ... 13.56/6.38 [2019-03-28 22:46:01,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e33452a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:46:01, skipping insertion in model container 13.56/6.38 [2019-03-28 22:46:01,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:46:01" (3/4) ... 13.56/6.38 [2019-03-28 22:46:01,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e33452a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:46:01, skipping insertion in model container 13.56/6.38 [2019-03-28 22:46:01,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:46:01" (4/4) ... 13.56/6.38 [2019-03-28 22:46:01,411 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.56/6.38 [2019-03-28 22:46:01,421 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.56/6.38 [2019-03-28 22:46:01,429 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.56/6.38 [2019-03-28 22:46:01,446 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.56/6.38 [2019-03-28 22:46:01,475 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.56/6.38 [2019-03-28 22:46:01,476 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.56/6.38 [2019-03-28 22:46:01,476 INFO L383 AbstractCegarLoop]: Hoare is true 13.56/6.38 [2019-03-28 22:46:01,476 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.56/6.38 [2019-03-28 22:46:01,476 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.56/6.38 [2019-03-28 22:46:01,476 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.56/6.38 [2019-03-28 22:46:01,477 INFO L387 AbstractCegarLoop]: Difference is false 13.56/6.38 [2019-03-28 22:46:01,477 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.56/6.38 [2019-03-28 22:46:01,477 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.56/6.38 [2019-03-28 22:46:01,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 13.56/6.38 [2019-03-28 22:46:01,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.56/6.38 [2019-03-28 22:46:01,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 13.56/6.38 [2019-03-28 22:46:01,550 INFO L451 ceAbstractionStarter]: At program point L18-2(lines 18 21) the Hoare annotation is: true 13.56/6.38 [2019-03-28 22:46:01,551 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.56/6.38 [2019-03-28 22:46:01,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:46:01 BasicIcfg 13.56/6.38 [2019-03-28 22:46:01,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.56/6.38 [2019-03-28 22:46:01,560 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.56/6.38 [2019-03-28 22:46:01,560 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.56/6.38 [2019-03-28 22:46:01,563 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.56/6.38 [2019-03-28 22:46:01,564 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.56/6.38 [2019-03-28 22:46:01,564 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:46:00" (1/5) ... 13.56/6.38 [2019-03-28 22:46:01,565 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7df6a93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:46:01, skipping insertion in model container 13.56/6.38 [2019-03-28 22:46:01,565 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.56/6.38 [2019-03-28 22:46:01,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:46:00" (2/5) ... 13.56/6.38 [2019-03-28 22:46:01,565 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7df6a93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:46:01, skipping insertion in model container 13.56/6.38 [2019-03-28 22:46:01,566 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.56/6.38 [2019-03-28 22:46:01,566 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:46:01" (3/5) ... 13.56/6.38 [2019-03-28 22:46:01,566 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7df6a93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:46:01, skipping insertion in model container 13.56/6.38 [2019-03-28 22:46:01,566 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.56/6.38 [2019-03-28 22:46:01,566 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:46:01" (4/5) ... 13.56/6.38 [2019-03-28 22:46:01,567 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7df6a93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:46:01, skipping insertion in model container 13.56/6.38 [2019-03-28 22:46:01,567 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.56/6.38 [2019-03-28 22:46:01,567 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:46:01" (5/5) ... 13.56/6.38 [2019-03-28 22:46:01,568 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.56/6.38 [2019-03-28 22:46:01,595 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.56/6.38 [2019-03-28 22:46:01,596 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.56/6.38 [2019-03-28 22:46:01,596 INFO L375 BuchiCegarLoop]: Hoare is true 13.56/6.38 [2019-03-28 22:46:01,596 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.56/6.38 [2019-03-28 22:46:01,596 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.56/6.38 [2019-03-28 22:46:01,596 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.56/6.38 [2019-03-28 22:46:01,597 INFO L379 BuchiCegarLoop]: Difference is false 13.56/6.38 [2019-03-28 22:46:01,597 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.56/6.38 [2019-03-28 22:46:01,597 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.56/6.38 [2019-03-28 22:46:01,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.56/6.38 [2019-03-28 22:46:01,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.56/6.38 [2019-03-28 22:46:01,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.56/6.38 [2019-03-28 22:46:01,618 INFO L119 BuchiIsEmpty]: Starting construction of run 13.56/6.38 [2019-03-28 22:46:01,623 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.56/6.38 [2019-03-28 22:46:01,623 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.56/6.38 [2019-03-28 22:46:01,623 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.56/6.38 [2019-03-28 22:46:01,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.56/6.38 [2019-03-28 22:46:01,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.56/6.38 [2019-03-28 22:46:01,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.56/6.38 [2019-03-28 22:46:01,624 INFO L119 BuchiIsEmpty]: Starting construction of run 13.56/6.38 [2019-03-28 22:46:01,624 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.56/6.38 [2019-03-28 22:46:01,625 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.56/6.38 [2019-03-28 22:46:01,630 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L18-2: Formula: (< v_ULTIMATE.start_main_~c~0_11 0) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 4#L18-2true 13.56/6.38 [2019-03-28 22:46:01,630 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [27] L18-2-->L18-2: Formula: (and (<= 0 (+ v_ULTIMATE.start_main_~c~0_10 v_ULTIMATE.start_main_~x~0_8)) (= v_ULTIMATE.start_main_~x~0_7 (+ (* (- 1) v_ULTIMATE.start_main_~c~0_10) v_ULTIMATE.start_main_~x~0_8)) (= v_ULTIMATE.start_main_~c~0_9 (+ v_ULTIMATE.start_main_~c~0_10 (- 1)))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_10, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~x~0] 4#L18-2true 13.56/6.38 [2019-03-28 22:46:01,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.56/6.38 [2019-03-28 22:46:01,637 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times 13.56/6.38 [2019-03-28 22:46:01,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.56/6.38 [2019-03-28 22:46:01,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.56/6.38 [2019-03-28 22:46:01,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.56/6.38 [2019-03-28 22:46:01,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.56/6.38 [2019-03-28 22:46:01,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.56/6.38 [2019-03-28 22:46:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.56/6.38 [2019-03-28 22:46:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.56/6.38 [2019-03-28 22:46:01,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.56/6.38 [2019-03-28 22:46:01,706 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 13.56/6.38 [2019-03-28 22:46:01,707 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.56/6.38 [2019-03-28 22:46:01,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.56/6.38 [2019-03-28 22:46:01,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.56/6.38 [2019-03-28 22:46:01,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.56/6.38 [2019-03-28 22:46:01,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.56/6.38 [2019-03-28 22:46:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.56/6.38 [2019-03-28 22:46:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.56/6.38 [2019-03-28 22:46:01,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.56/6.38 [2019-03-28 22:46:01,721 INFO L82 PathProgramCache]: Analyzing trace with hash 2135, now seen corresponding path program 1 times 13.56/6.38 [2019-03-28 22:46:01,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.56/6.38 [2019-03-28 22:46:01,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.56/6.38 [2019-03-28 22:46:01,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.56/6.38 [2019-03-28 22:46:01,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.56/6.38 [2019-03-28 22:46:01,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.56/6.38 [2019-03-28 22:46:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.56/6.38 [2019-03-28 22:46:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.56/6.38 [2019-03-28 22:46:01,777 INFO L216 LassoAnalysis]: Preferences: 13.56/6.38 [2019-03-28 22:46:01,778 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.56/6.38 [2019-03-28 22:46:01,778 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.56/6.38 [2019-03-28 22:46:01,778 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.56/6.38 [2019-03-28 22:46:01,779 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.56/6.38 [2019-03-28 22:46:01,779 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:01,779 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.56/6.38 [2019-03-28 22:46:01,779 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.56/6.38 [2019-03-28 22:46:01,779 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.56/6.38 [2019-03-28 22:46:01,780 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.56/6.38 [2019-03-28 22:46:01,780 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.56/6.38 [2019-03-28 22:46:01,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.56/6.38 [2019-03-28 22:46:01,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.56/6.38 [2019-03-28 22:46:01,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.56/6.38 [2019-03-28 22:46:01,932 INFO L300 LassoAnalysis]: Preprocessing complete. 13.56/6.38 [2019-03-28 22:46:01,933 INFO L412 LassoAnalysis]: Checking for nontermination... 13.56/6.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.56/6.38 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.56/6.38 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:01,940 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.56/6.38 [2019-03-28 22:46:01,941 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.56/6.38 [2019-03-28 22:46:01,974 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.56/6.38 [2019-03-28 22:46:01,974 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: [] 13.56/6.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.56/6.38 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.56/6.38 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:01,982 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.56/6.38 [2019-03-28 22:46:01,982 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.56/6.38 [2019-03-28 22:46:02,009 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.56/6.38 [2019-03-28 22:46:02,010 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: [] 13.56/6.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.56/6.38 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.56/6.38 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:02,016 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.56/6.38 [2019-03-28 22:46:02,016 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.56/6.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.56/6.38 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.56/6.38 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:02,049 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.56/6.38 [2019-03-28 22:46:02,049 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.56/6.38 [2019-03-28 22:46:02,140 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.56/6.38 [2019-03-28 22:46:02,141 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=-2, ULTIMATE.start_main_~x~0=2} Honda state: {ULTIMATE.start_main_~c~0=-2, ULTIMATE.start_main_~x~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=-1, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=1}, {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 1, 0] Nus: [1, 0] 13.56/6.38 [2019-03-28 22:46:02,173 INFO L216 LassoAnalysis]: Preferences: 13.56/6.38 [2019-03-28 22:46:02,173 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.56/6.38 [2019-03-28 22:46:02,173 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.56/6.38 [2019-03-28 22:46:02,173 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.56/6.38 [2019-03-28 22:46:02,173 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.56/6.38 [2019-03-28 22:46:02,174 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:02,174 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.56/6.38 [2019-03-28 22:46:02,174 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.56/6.38 [2019-03-28 22:46:02,174 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso 13.56/6.38 [2019-03-28 22:46:02,174 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.56/6.38 [2019-03-28 22:46:02,174 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.56/6.38 [2019-03-28 22:46:02,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.56/6.38 [2019-03-28 22:46:02,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.56/6.38 [2019-03-28 22:46:02,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.56/6.38 [2019-03-28 22:46:02,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.56/6.38 [2019-03-28 22:46:02,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.56/6.38 [2019-03-28 22:46:02,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.56/6.38 [2019-03-28 22:46:02,292 INFO L300 LassoAnalysis]: Preprocessing complete. 13.56/6.38 [2019-03-28 22:46:02,293 INFO L412 LassoAnalysis]: Checking for nontermination... 13.56/6.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.56/6.38 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.56/6.38 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:02,299 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.56/6.38 [2019-03-28 22:46:02,299 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.56/6.38 [2019-03-28 22:46:02,303 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.56/6.38 [2019-03-28 22:46:02,303 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: [] 13.56/6.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.56/6.38 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.56/6.38 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:02,333 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.56/6.38 [2019-03-28 22:46:02,334 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.56/6.38 [2019-03-28 22:46:02,361 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.56/6.38 [2019-03-28 22:46:02,362 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.56/6.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.56/6.38 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.56/6.38 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:02,369 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.56/6.38 [2019-03-28 22:46:02,369 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.56/6.38 [2019-03-28 22:46:02,373 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.56/6.38 [2019-03-28 22:46:02,373 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: [] 13.56/6.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.56/6.38 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.56/6.38 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:02,402 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.56/6.38 [2019-03-28 22:46:02,402 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.56/6.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.56/6.38 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.56/6.38 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:02,435 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.56/6.38 [2019-03-28 22:46:02,435 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.56/6.38 [2019-03-28 22:46:02,540 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.56/6.38 [2019-03-28 22:46:02,540 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~c~0=-3, ULTIMATE.start_main_~x~0=3} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~c~0=-1, ULTIMATE.start_main_~x~0=2}, {ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=1}] Lambdas: [2, 1, 1] Nus: [0, 1] 13.56/6.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.56/6.38 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.56/6.38 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:02,591 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.56/6.38 [2019-03-28 22:46:02,591 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.56/6.38 [2019-03-28 22:46:02,595 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.56/6.38 [2019-03-28 22:46:02,595 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.56/6.38 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.56/6.38 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.56/6.38 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.56/6.38 [2019-03-28 22:46:02,626 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.56/6.38 [2019-03-28 22:46:02,627 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.56/6.38 [2019-03-28 22:46:02,655 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.56/6.38 [2019-03-28 22:46:02,655 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 13.56/6.38 [2019-03-28 22:46:02,668 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,670 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,671 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,671 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,672 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,672 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,672 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,673 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,673 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,674 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:46:02 BasicIcfg 13.56/6.38 [2019-03-28 22:46:02,685 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.56/6.38 [2019-03-28 22:46:02,685 INFO L168 Benchmark]: Toolchain (without parser) took 1921.50 ms. Allocated memory was 649.6 MB in the beginning and 677.9 MB in the end (delta: 28.3 MB). Free memory was 565.0 MB in the beginning and 528.9 MB in the end (delta: 36.1 MB). Peak memory consumption was 64.4 MB. Max. memory is 50.3 GB. 13.56/6.38 [2019-03-28 22:46:02,687 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 591.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.56/6.38 [2019-03-28 22:46:02,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.15 ms. Allocated memory is still 649.6 MB. Free memory was 565.0 MB in the beginning and 555.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 13.56/6.38 [2019-03-28 22:46:02,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.50 ms. Allocated memory was 649.6 MB in the beginning and 677.9 MB in the end (delta: 28.3 MB). Free memory was 555.4 MB in the beginning and 645.5 MB in the end (delta: -90.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 50.3 GB. 13.56/6.38 [2019-03-28 22:46:02,689 INFO L168 Benchmark]: Boogie Preprocessor took 20.37 ms. Allocated memory is still 677.9 MB. Free memory was 645.5 MB in the beginning and 642.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.56/6.38 [2019-03-28 22:46:02,689 INFO L168 Benchmark]: RCFGBuilder took 203.93 ms. Allocated memory is still 677.9 MB. Free memory was 642.4 MB in the beginning and 629.4 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. 13.56/6.38 [2019-03-28 22:46:02,690 INFO L168 Benchmark]: BlockEncodingV2 took 77.22 ms. Allocated memory is still 677.9 MB. Free memory was 629.4 MB in the beginning and 623.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 13.56/6.38 [2019-03-28 22:46:02,691 INFO L168 Benchmark]: TraceAbstraction took 156.03 ms. Allocated memory is still 677.9 MB. Free memory was 623.0 MB in the beginning and 613.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.56/6.38 [2019-03-28 22:46:02,691 INFO L168 Benchmark]: BuchiAutomizer took 1125.11 ms. Allocated memory is still 677.9 MB. Free memory was 613.5 MB in the beginning and 528.9 MB in the end (delta: 84.7 MB). Peak memory consumption was 84.7 MB. Max. memory is 50.3 GB. 13.56/6.38 [2019-03-28 22:46:02,695 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.56/6.38 --- Results --- 13.56/6.38 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.56/6.38 - StatisticsResult: Initial Icfg 13.56/6.38 7 locations, 9 edges 13.56/6.38 - StatisticsResult: Encoded RCFG 13.56/6.38 2 locations, 2 edges 13.56/6.38 * Results from de.uni_freiburg.informatik.ultimate.core: 13.56/6.38 - StatisticsResult: Toolchain Benchmarks 13.56/6.38 Benchmark results are: 13.56/6.38 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 591.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.56/6.38 * CACSL2BoogieTranslator took 227.15 ms. Allocated memory is still 649.6 MB. Free memory was 565.0 MB in the beginning and 555.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 50.3 GB. 13.56/6.38 * Boogie Procedure Inliner took 106.50 ms. Allocated memory was 649.6 MB in the beginning and 677.9 MB in the end (delta: 28.3 MB). Free memory was 555.4 MB in the beginning and 645.5 MB in the end (delta: -90.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 50.3 GB. 13.56/6.38 * Boogie Preprocessor took 20.37 ms. Allocated memory is still 677.9 MB. Free memory was 645.5 MB in the beginning and 642.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 13.56/6.38 * RCFGBuilder took 203.93 ms. Allocated memory is still 677.9 MB. Free memory was 642.4 MB in the beginning and 629.4 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 50.3 GB. 13.56/6.38 * BlockEncodingV2 took 77.22 ms. Allocated memory is still 677.9 MB. Free memory was 629.4 MB in the beginning and 623.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 13.56/6.38 * TraceAbstraction took 156.03 ms. Allocated memory is still 677.9 MB. Free memory was 623.0 MB in the beginning and 613.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.56/6.38 * BuchiAutomizer took 1125.11 ms. Allocated memory is still 677.9 MB. Free memory was 613.5 MB in the beginning and 528.9 MB in the end (delta: 84.7 MB). Peak memory consumption was 84.7 MB. Max. memory is 50.3 GB. 13.56/6.38 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: 13.56/6.38 - GenericResult: Unfinished Backtranslation 13.56/6.38 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 - GenericResult: Unfinished Backtranslation 13.56/6.38 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 - GenericResult: Unfinished Backtranslation 13.56/6.38 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 - GenericResult: Unfinished Backtranslation 13.56/6.38 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 - GenericResult: Unfinished Backtranslation 13.56/6.38 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 - GenericResult: Unfinished Backtranslation 13.56/6.38 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 - GenericResult: Unfinished Backtranslation 13.56/6.38 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 - GenericResult: Unfinished Backtranslation 13.56/6.38 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 - GenericResult: Unfinished Backtranslation 13.56/6.38 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 - GenericResult: Unfinished Backtranslation 13.56/6.38 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.56/6.38 - AllSpecificationsHoldResult: All specifications hold 13.56/6.38 We were not able to verify any specifiation because the program does not contain any specification. 13.56/6.38 - InvariantResult [Line: 18]: Loop Invariant 13.56/6.38 Derived loop invariant: 1 13.56/6.38 - StatisticsResult: Ultimate Automizer benchmark data 13.56/6.38 CFG has 1 procedures, 2 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=2occurred 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 13.56/6.38 - StatisticsResult: Constructed decomposition of program 13.56/6.38 Trivial decomposition into one nonterminating module. 13.56/6.38 - StatisticsResult: Timing statistics 13.56/6.38 BüchiAutomizer plugin needed 1.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax162 hnf93 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf103 neg100 sie103 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 13.56/6.38 - TerminationAnalysisResult: Nontermination possible 13.56/6.38 Buchi Automizer proved that your program is nonterminating for some inputs 13.56/6.38 - GeometricNonTerminationArgumentResult [Line: 18]: Nontermination argument in form of an infinite program execution. 13.56/6.38 [2019-03-28 22:46:02,706 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,707 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,708 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,708 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,708 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,709 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,709 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,709 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,710 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,710 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,711 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,711 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,712 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,712 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,712 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,713 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,713 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,713 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 [2019-03-28 22:46:02,714 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true 13.56/6.38 [2019-03-28 22:46:02,714 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false 13.56/6.38 Nontermination argument in form of an infinite execution 13.56/6.38 {~unnamed0~0~false=0, |ULTIMATE.start_main_#t~nondet0|=0, |ULTIMATE.start_main_#t~nondet1|=0, |ULTIMATE.start_main_#res|=0, ~unnamed0~0~true=1, ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~x~0=0} 13.56/6.39 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13da0c91=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ddbb69d=0, c=-3, ~unnamed0~0~false=0, x=3} 13.56/6.39 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13da0c91=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ddbb69d=0, c=-4, ~unnamed0~0~false=0, x=6} 13.56/6.39 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13da0c91=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ddbb69d=0, c=-5, ~unnamed0~0~false=0, x=10} 13.56/6.39 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13da0c91=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ddbb69d=0, c=-6, ~unnamed0~0~false=0, x=15} 13.56/6.39 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13da0c91=0, \result=0, ~unnamed0~0~true=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ddbb69d=0, c=-7, ~unnamed0~0~false=0, x=21} 13.56/6.39 - StatisticsResult: NonterminationArgumentStatistics 13.56/6.39 Unbounded Execution 2GEVs Lambdas: [2, 1, 1] Mus: [0, 1] 13.56/6.39 - NonterminatingLassoResult [Line: 18]: Nonterminating execution 13.56/6.39 Found a nonterminating execution for the following lasso shaped sequence of statements. 13.56/6.39 Stem: 13.56/6.39 [L13] int x; 13.56/6.39 [L14] int c; 13.56/6.39 [L15] x = __VERIFIER_nondet_int() 13.56/6.39 [L16] c = __VERIFIER_nondet_int() 13.56/6.39 [L17] COND TRUE c < 0 13.56/6.39 Loop: 13.56/6.39 [L18] COND TRUE x + c >= 0 13.56/6.39 [L19] x = x - c 13.56/6.39 [L20] c = c - 1 13.56/6.39 End of lasso representation. 13.56/6.39 RESULT: Ultimate proved your program to be incorrect! 13.56/6.39 !SESSION 2019-03-28 22:45:57.444 ----------------------------------------------- 13.56/6.39 eclipse.buildId=unknown 13.56/6.39 java.version=1.8.0_181 13.56/6.39 java.vendor=Oracle Corporation 13.56/6.39 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.56/6.39 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.56/6.39 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 13.56/6.39 13.56/6.39 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:46:02.939 13.56/6.39 !MESSAGE The workspace will exit with unsaved changes in this session. 13.56/6.39 Received shutdown request... 13.56/6.39 Ultimate: 13.56/6.39 GTK+ Version Check 13.56/6.39 EOF