23.10/12.37 YES 23.10/12.37 23.10/12.37 Ultimate: Cannot open display: 23.10/12.37 This is Ultimate 0.1.24-8dc7c08-m 23.10/12.37 [2019-03-28 12:27:00,414 INFO L170 SettingsManager]: Resetting all preferences to default values... 23.10/12.37 [2019-03-28 12:27:00,416 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 23.10/12.37 [2019-03-28 12:27:00,428 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 23.10/12.37 [2019-03-28 12:27:00,428 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 23.10/12.37 [2019-03-28 12:27:00,429 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 23.10/12.37 [2019-03-28 12:27:00,430 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 23.10/12.37 [2019-03-28 12:27:00,432 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 23.10/12.37 [2019-03-28 12:27:00,433 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 23.10/12.37 [2019-03-28 12:27:00,434 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 23.10/12.37 [2019-03-28 12:27:00,435 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 23.10/12.37 [2019-03-28 12:27:00,435 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 23.10/12.37 [2019-03-28 12:27:00,436 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 23.10/12.37 [2019-03-28 12:27:00,437 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 23.10/12.37 [2019-03-28 12:27:00,438 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 23.10/12.37 [2019-03-28 12:27:00,439 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 23.10/12.37 [2019-03-28 12:27:00,439 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 23.10/12.37 [2019-03-28 12:27:00,441 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 23.10/12.37 [2019-03-28 12:27:00,443 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 23.10/12.37 [2019-03-28 12:27:00,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 23.10/12.37 [2019-03-28 12:27:00,445 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 23.10/12.37 [2019-03-28 12:27:00,446 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 23.10/12.37 [2019-03-28 12:27:00,448 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 23.10/12.37 [2019-03-28 12:27:00,449 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 23.10/12.37 [2019-03-28 12:27:00,449 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 23.10/12.37 [2019-03-28 12:27:00,450 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 23.10/12.37 [2019-03-28 12:27:00,450 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 23.10/12.37 [2019-03-28 12:27:00,451 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 23.10/12.37 [2019-03-28 12:27:00,451 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 23.10/12.37 [2019-03-28 12:27:00,452 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 23.10/12.37 [2019-03-28 12:27:00,453 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 23.10/12.37 [2019-03-28 12:27:00,453 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 23.10/12.37 [2019-03-28 12:27:00,454 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 23.10/12.37 [2019-03-28 12:27:00,454 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 23.10/12.37 [2019-03-28 12:27:00,455 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 23.10/12.37 [2019-03-28 12:27:00,455 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 23.10/12.37 [2019-03-28 12:27:00,455 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 23.10/12.37 [2019-03-28 12:27:00,456 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 23.10/12.37 [2019-03-28 12:27:00,457 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 23.10/12.37 [2019-03-28 12:27:00,457 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 23.10/12.37 [2019-03-28 12:27:00,472 INFO L110 SettingsManager]: Loading preferences was successful 23.10/12.37 [2019-03-28 12:27:00,472 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 23.10/12.37 [2019-03-28 12:27:00,473 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 23.10/12.37 [2019-03-28 12:27:00,473 INFO L133 SettingsManager]: * Rewrite not-equals=true 23.10/12.37 [2019-03-28 12:27:00,474 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 23.10/12.37 [2019-03-28 12:27:00,474 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 23.10/12.37 [2019-03-28 12:27:00,474 INFO L133 SettingsManager]: * Use SBE=true 23.10/12.37 [2019-03-28 12:27:00,474 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 23.10/12.37 [2019-03-28 12:27:00,474 INFO L133 SettingsManager]: * Use old map elimination=false 23.10/12.37 [2019-03-28 12:27:00,474 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 23.10/12.37 [2019-03-28 12:27:00,475 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 23.10/12.37 [2019-03-28 12:27:00,475 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 23.10/12.37 [2019-03-28 12:27:00,475 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 23.10/12.37 [2019-03-28 12:27:00,475 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 23.10/12.37 [2019-03-28 12:27:00,475 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.10/12.37 [2019-03-28 12:27:00,476 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 23.10/12.37 [2019-03-28 12:27:00,476 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 23.10/12.37 [2019-03-28 12:27:00,476 INFO L133 SettingsManager]: * Check division by zero=IGNORE 23.10/12.37 [2019-03-28 12:27:00,476 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 23.10/12.37 [2019-03-28 12:27:00,476 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 23.10/12.37 [2019-03-28 12:27:00,476 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 23.10/12.37 [2019-03-28 12:27:00,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 23.10/12.37 [2019-03-28 12:27:00,477 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 23.10/12.37 [2019-03-28 12:27:00,477 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 23.10/12.37 [2019-03-28 12:27:00,477 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 23.10/12.37 [2019-03-28 12:27:00,477 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 23.10/12.37 [2019-03-28 12:27:00,477 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 23.10/12.37 [2019-03-28 12:27:00,478 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 23.10/12.37 [2019-03-28 12:27:00,478 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 23.10/12.37 [2019-03-28 12:27:00,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 23.10/12.37 [2019-03-28 12:27:00,516 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 23.10/12.37 [2019-03-28 12:27:00,520 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 23.10/12.37 [2019-03-28 12:27:00,522 INFO L271 PluginConnector]: Initializing CDTParser... 23.10/12.37 [2019-03-28 12:27:00,522 INFO L276 PluginConnector]: CDTParser initialized 23.10/12.37 [2019-03-28 12:27:00,523 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 23.10/12.37 [2019-03-28 12:27:00,586 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b3546a8f887c454fad9c198b2a5f024e/FLAGb5fd25540 23.10/12.37 [2019-03-28 12:27:00,921 INFO L307 CDTParser]: Found 1 translation units. 23.10/12.37 [2019-03-28 12:27:00,921 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 23.10/12.37 [2019-03-28 12:27:00,928 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b3546a8f887c454fad9c198b2a5f024e/FLAGb5fd25540 23.10/12.37 [2019-03-28 12:27:01,333 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b3546a8f887c454fad9c198b2a5f024e 23.10/12.37 [2019-03-28 12:27:01,345 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 23.10/12.37 [2019-03-28 12:27:01,347 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 23.10/12.37 [2019-03-28 12:27:01,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 23.10/12.37 [2019-03-28 12:27:01,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 23.10/12.37 [2019-03-28 12:27:01,351 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 23.10/12.37 [2019-03-28 12:27:01,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:27:01" (1/1) ... 23.10/12.37 [2019-03-28 12:27:01,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c11d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01, skipping insertion in model container 23.10/12.37 [2019-03-28 12:27:01,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:27:01" (1/1) ... 23.10/12.37 [2019-03-28 12:27:01,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 23.10/12.37 [2019-03-28 12:27:01,381 INFO L176 MainTranslator]: Built tables and reachable declarations 23.10/12.37 [2019-03-28 12:27:01,538 INFO L206 PostProcessor]: Analyzing one entry point: main 23.10/12.37 [2019-03-28 12:27:01,543 INFO L191 MainTranslator]: Completed pre-run 23.10/12.37 [2019-03-28 12:27:01,559 INFO L206 PostProcessor]: Analyzing one entry point: main 23.10/12.37 [2019-03-28 12:27:01,637 INFO L195 MainTranslator]: Completed translation 23.10/12.37 [2019-03-28 12:27:01,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01 WrapperNode 23.10/12.37 [2019-03-28 12:27:01,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 23.10/12.37 [2019-03-28 12:27:01,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 23.10/12.37 [2019-03-28 12:27:01,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 23.10/12.37 [2019-03-28 12:27:01,639 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 23.10/12.37 [2019-03-28 12:27:01,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01" (1/1) ... 23.10/12.37 [2019-03-28 12:27:01,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01" (1/1) ... 23.10/12.37 [2019-03-28 12:27:01,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 23.10/12.37 [2019-03-28 12:27:01,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 23.10/12.37 [2019-03-28 12:27:01,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 23.10/12.37 [2019-03-28 12:27:01,676 INFO L276 PluginConnector]: Boogie Preprocessor initialized 23.10/12.37 [2019-03-28 12:27:01,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01" (1/1) ... 23.10/12.37 [2019-03-28 12:27:01,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01" (1/1) ... 23.10/12.37 [2019-03-28 12:27:01,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01" (1/1) ... 23.10/12.37 [2019-03-28 12:27:01,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01" (1/1) ... 23.10/12.37 [2019-03-28 12:27:01,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01" (1/1) ... 23.10/12.37 [2019-03-28 12:27:01,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01" (1/1) ... 23.10/12.37 [2019-03-28 12:27:01,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01" (1/1) ... 23.10/12.37 [2019-03-28 12:27:01,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 23.10/12.37 [2019-03-28 12:27:01,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 23.10/12.37 [2019-03-28 12:27:01,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... 23.10/12.37 [2019-03-28 12:27:01,697 INFO L276 PluginConnector]: RCFGBuilder initialized 23.10/12.37 [2019-03-28 12:27:01,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01" (1/1) ... 23.10/12.37 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.10/12.37 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 23.10/12.37 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 23.10/12.37 [2019-03-28 12:27:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 23.10/12.37 [2019-03-28 12:27:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 23.10/12.37 [2019-03-28 12:27:01,899 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 23.10/12.37 [2019-03-28 12:27:01,900 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 23.10/12.37 [2019-03-28 12:27:01,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:01 BoogieIcfgContainer 23.10/12.37 [2019-03-28 12:27:01,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 23.10/12.37 [2019-03-28 12:27:01,902 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 23.10/12.37 [2019-03-28 12:27:01,902 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 23.10/12.37 [2019-03-28 12:27:01,904 INFO L276 PluginConnector]: BlockEncodingV2 initialized 23.10/12.37 [2019-03-28 12:27:01,905 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:01" (1/1) ... 23.10/12.37 [2019-03-28 12:27:01,921 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 10 edges 23.10/12.37 [2019-03-28 12:27:01,923 INFO L258 BlockEncoder]: Using Remove infeasible edges 23.10/12.37 [2019-03-28 12:27:01,924 INFO L263 BlockEncoder]: Using Maximize final states 23.10/12.37 [2019-03-28 12:27:01,925 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 23.10/12.37 [2019-03-28 12:27:01,925 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 23.10/12.37 [2019-03-28 12:27:01,927 INFO L296 BlockEncoder]: Using Remove sink states 23.10/12.37 [2019-03-28 12:27:01,928 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 23.10/12.37 [2019-03-28 12:27:01,928 INFO L179 BlockEncoder]: Using Rewrite not-equals 23.10/12.37 [2019-03-28 12:27:01,944 INFO L185 BlockEncoder]: Using Use SBE 23.10/12.37 [2019-03-28 12:27:01,961 INFO L200 BlockEncoder]: SBE split 1 edges 23.10/12.37 [2019-03-28 12:27:01,966 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 23.10/12.37 [2019-03-28 12:27:01,968 INFO L71 MaximizeFinalStates]: 0 new accepting states 23.10/12.37 [2019-03-28 12:27:01,982 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 23.10/12.37 [2019-03-28 12:27:01,984 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 23.10/12.37 [2019-03-28 12:27:01,986 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 23.10/12.37 [2019-03-28 12:27:01,986 INFO L71 MaximizeFinalStates]: 0 new accepting states 23.10/12.37 [2019-03-28 12:27:01,986 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 23.10/12.37 [2019-03-28 12:27:01,986 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 23.10/12.37 [2019-03-28 12:27:01,987 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges 23.10/12.37 [2019-03-28 12:27:01,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:27:01 BasicIcfg 23.10/12.37 [2019-03-28 12:27:01,987 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 23.10/12.37 [2019-03-28 12:27:01,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 23.10/12.37 [2019-03-28 12:27:01,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... 23.10/12.37 [2019-03-28 12:27:01,992 INFO L276 PluginConnector]: TraceAbstraction initialized 23.10/12.37 [2019-03-28 12:27:01,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:27:01" (1/4) ... 23.10/12.37 [2019-03-28 12:27:01,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8c3a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:27:01, skipping insertion in model container 23.10/12.37 [2019-03-28 12:27:01,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01" (2/4) ... 23.10/12.37 [2019-03-28 12:27:01,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8c3a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:27:01, skipping insertion in model container 23.10/12.37 [2019-03-28 12:27:01,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:01" (3/4) ... 23.10/12.37 [2019-03-28 12:27:01,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8c3a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:27:01, skipping insertion in model container 23.10/12.37 [2019-03-28 12:27:01,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:27:01" (4/4) ... 23.10/12.37 [2019-03-28 12:27:01,996 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 23.10/12.37 [2019-03-28 12:27:02,006 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 23.10/12.37 [2019-03-28 12:27:02,014 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 23.10/12.37 [2019-03-28 12:27:02,031 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 23.10/12.37 [2019-03-28 12:27:02,060 INFO L133 ementStrategyFactory]: Using default assertion order modulation 23.10/12.37 [2019-03-28 12:27:02,060 INFO L382 AbstractCegarLoop]: Interprodecural is true 23.10/12.37 [2019-03-28 12:27:02,061 INFO L383 AbstractCegarLoop]: Hoare is true 23.10/12.37 [2019-03-28 12:27:02,061 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 23.10/12.37 [2019-03-28 12:27:02,061 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 23.10/12.37 [2019-03-28 12:27:02,061 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 23.10/12.37 [2019-03-28 12:27:02,061 INFO L387 AbstractCegarLoop]: Difference is false 23.10/12.37 [2019-03-28 12:27:02,061 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 23.10/12.37 [2019-03-28 12:27:02,062 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 23.10/12.37 [2019-03-28 12:27:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 23.10/12.37 [2019-03-28 12:27:02,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 23.10/12.37 [2019-03-28 12:27:02,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 23.10/12.37 [2019-03-28 12:27:02,134 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 23.10/12.37 [2019-03-28 12:27:02,134 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. 23.10/12.37 [2019-03-28 12:27:02,135 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 21 25) no Hoare annotation was computed. 23.10/12.37 [2019-03-28 12:27:02,135 INFO L451 ceAbstractionStarter]: At program point L20-2(lines 20 28) the Hoare annotation is: true 23.10/12.37 [2019-03-28 12:27:02,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:27:02 BasicIcfg 23.10/12.37 [2019-03-28 12:27:02,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 23.10/12.37 [2019-03-28 12:27:02,144 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 23.10/12.37 [2019-03-28 12:27:02,144 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 23.10/12.37 [2019-03-28 12:27:02,148 INFO L276 PluginConnector]: BuchiAutomizer initialized 23.10/12.37 [2019-03-28 12:27:02,149 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.10/12.37 [2019-03-28 12:27:02,149 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:27:01" (1/5) ... 23.10/12.37 [2019-03-28 12:27:02,149 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3802434d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:27:02, skipping insertion in model container 23.10/12.37 [2019-03-28 12:27:02,150 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.10/12.37 [2019-03-28 12:27:02,150 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:27:01" (2/5) ... 23.10/12.37 [2019-03-28 12:27:02,150 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3802434d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:27:02, skipping insertion in model container 23.10/12.37 [2019-03-28 12:27:02,150 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.10/12.37 [2019-03-28 12:27:02,150 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:27:01" (3/5) ... 23.10/12.37 [2019-03-28 12:27:02,151 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3802434d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:27:02, skipping insertion in model container 23.10/12.37 [2019-03-28 12:27:02,151 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.10/12.37 [2019-03-28 12:27:02,151 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:27:01" (4/5) ... 23.10/12.37 [2019-03-28 12:27:02,152 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3802434d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:27:02, skipping insertion in model container 23.10/12.37 [2019-03-28 12:27:02,152 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.10/12.37 [2019-03-28 12:27:02,152 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:27:02" (5/5) ... 23.10/12.37 [2019-03-28 12:27:02,153 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 23.10/12.37 [2019-03-28 12:27:02,182 INFO L133 ementStrategyFactory]: Using default assertion order modulation 23.10/12.37 [2019-03-28 12:27:02,182 INFO L374 BuchiCegarLoop]: Interprodecural is true 23.10/12.37 [2019-03-28 12:27:02,183 INFO L375 BuchiCegarLoop]: Hoare is true 23.10/12.37 [2019-03-28 12:27:02,183 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 23.10/12.37 [2019-03-28 12:27:02,183 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 23.10/12.37 [2019-03-28 12:27:02,183 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 23.10/12.37 [2019-03-28 12:27:02,183 INFO L379 BuchiCegarLoop]: Difference is false 23.10/12.37 [2019-03-28 12:27:02,183 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 23.10/12.37 [2019-03-28 12:27:02,184 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 23.10/12.37 [2019-03-28 12:27:02,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 23.10/12.37 [2019-03-28 12:27:02,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 23.10/12.37 [2019-03-28 12:27:02,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.10/12.37 [2019-03-28 12:27:02,208 INFO L119 BuchiIsEmpty]: Starting construction of run 23.10/12.37 [2019-03-28 12:27:02,213 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 23.10/12.37 [2019-03-28 12:27:02,213 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 23.10/12.37 [2019-03-28 12:27:02,214 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 23.10/12.37 [2019-03-28 12:27:02,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 23.10/12.37 [2019-03-28 12:27:02,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 23.10/12.37 [2019-03-28 12:27:02,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.10/12.37 [2019-03-28 12:27:02,215 INFO L119 BuchiIsEmpty]: Starting construction of run 23.10/12.37 [2019-03-28 12:27:02,215 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 23.10/12.37 [2019-03-28 12:27:02,215 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 23.10/12.37 [2019-03-28 12:27:02,220 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 5#L20-2true 23.10/12.37 [2019-03-28 12:27:02,221 INFO L796 eck$LassoCheckResult]: Loop: 5#L20-2true [31] L20-2-->L21: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[] 3#L21true [37] L21-->L21-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_6 (+ v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_6)) (> 0 |v_ULTIMATE.start_main_#t~nondet3_3|)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~x~0] 6#L21-2true [33] L21-2-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_4 (+ v_ULTIMATE.start_main_~z~0_5 v_ULTIMATE.start_main_~y~0_5)) (= v_ULTIMATE.start_main_~z~0_4 (+ v_ULTIMATE.start_main_~z~0_5 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 5#L20-2true 23.10/12.37 [2019-03-28 12:27:02,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.10/12.37 [2019-03-28 12:27:02,227 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 23.10/12.37 [2019-03-28 12:27:02,229 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.10/12.37 [2019-03-28 12:27:02,229 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.10/12.37 [2019-03-28 12:27:02,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.10/12.37 [2019-03-28 12:27:02,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.10/12.37 [2019-03-28 12:27:02,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.10/12.37 [2019-03-28 12:27:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.10/12.37 [2019-03-28 12:27:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.10/12.37 [2019-03-28 12:27:02,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.10/12.37 [2019-03-28 12:27:02,296 INFO L82 PathProgramCache]: Analyzing trace with hash 60762, now seen corresponding path program 1 times 23.10/12.37 [2019-03-28 12:27:02,296 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.10/12.37 [2019-03-28 12:27:02,296 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.10/12.37 [2019-03-28 12:27:02,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.10/12.37 [2019-03-28 12:27:02,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.10/12.37 [2019-03-28 12:27:02,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.10/12.37 [2019-03-28 12:27:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.10/12.37 [2019-03-28 12:27:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.10/12.37 [2019-03-28 12:27:02,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.10/12.37 [2019-03-28 12:27:02,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1758849, now seen corresponding path program 1 times 23.10/12.37 [2019-03-28 12:27:02,321 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.10/12.37 [2019-03-28 12:27:02,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.10/12.37 [2019-03-28 12:27:02,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.10/12.37 [2019-03-28 12:27:02,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.10/12.37 [2019-03-28 12:27:02,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.10/12.37 [2019-03-28 12:27:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.10/12.37 [2019-03-28 12:27:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.10/12.37 [2019-03-28 12:27:02,393 INFO L216 LassoAnalysis]: Preferences: 23.10/12.37 [2019-03-28 12:27:02,394 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.10/12.37 [2019-03-28 12:27:02,394 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.10/12.37 [2019-03-28 12:27:02,394 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.10/12.37 [2019-03-28 12:27:02,394 INFO L127 ssoRankerPreferences]: Use exernal solver: true 23.10/12.37 [2019-03-28 12:27:02,394 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.10/12.37 [2019-03-28 12:27:02,395 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.10/12.37 [2019-03-28 12:27:02,395 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.10/12.37 [2019-03-28 12:27:02,395 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 23.10/12.37 [2019-03-28 12:27:02,395 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.10/12.37 [2019-03-28 12:27:02,395 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.10/12.37 [2019-03-28 12:27:02,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.10/12.37 [2019-03-28 12:27:02,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.10/12.37 [2019-03-28 12:27:02,513 INFO L300 LassoAnalysis]: Preprocessing complete. 23.10/12.37 [2019-03-28 12:27:02,514 INFO L412 LassoAnalysis]: Checking for nontermination... 23.10/12.37 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.10/12.37 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.10/12.37 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.10/12.37 [2019-03-28 12:27:02,524 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.10/12.37 [2019-03-28 12:27:02,524 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.10/12.37 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.10/12.37 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.10/12.37 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.10/12.37 [2019-03-28 12:27:02,560 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 23.10/12.37 [2019-03-28 12:27:02,560 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.10/12.37 [2019-03-28 12:27:04,744 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 23.10/12.37 [2019-03-28 12:27:04,748 INFO L216 LassoAnalysis]: Preferences: 23.10/12.37 [2019-03-28 12:27:04,748 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.10/12.37 [2019-03-28 12:27:04,748 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.10/12.37 [2019-03-28 12:27:04,749 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.10/12.37 [2019-03-28 12:27:04,749 INFO L127 ssoRankerPreferences]: Use exernal solver: false 23.10/12.37 [2019-03-28 12:27:04,749 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 23.10/12.37 [2019-03-28 12:27:04,749 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.10/12.37 [2019-03-28 12:27:04,749 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.10/12.37 [2019-03-28 12:27:04,749 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 23.10/12.37 [2019-03-28 12:27:04,749 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.10/12.37 [2019-03-28 12:27:04,750 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.10/12.37 [2019-03-28 12:27:04,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.10/12.37 [2019-03-28 12:27:04,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.10/12.37 [2019-03-28 12:27:04,838 INFO L300 LassoAnalysis]: Preprocessing complete. 23.10/12.37 [2019-03-28 12:27:04,844 INFO L497 LassoAnalysis]: Using template 'affine'. 23.10/12.37 [2019-03-28 12:27:04,846 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.10/12.37 Termination analysis: LINEAR_WITH_GUESSES 23.10/12.37 Number of strict supporting invariants: 0 23.10/12.37 Number of non-strict supporting invariants: 1 23.10/12.37 Consider only non-deceasing supporting invariants: true 23.10/12.37 Simplify termination arguments: true 23.10/12.37 Simplify supporting invariants: trueOverapproximate stem: false 23.10/12.37 [2019-03-28 12:27:04,848 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.10/12.37 [2019-03-28 12:27:04,848 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.10/12.37 [2019-03-28 12:27:04,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.10/12.37 [2019-03-28 12:27:04,849 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.10/12.37 [2019-03-28 12:27:04,849 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.10/12.37 [2019-03-28 12:27:04,852 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.10/12.37 [2019-03-28 12:27:04,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.10/12.37 [2019-03-28 12:27:04,867 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.10/12.37 [2019-03-28 12:27:04,867 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.10/12.37 Termination analysis: LINEAR_WITH_GUESSES 23.10/12.37 Number of strict supporting invariants: 0 23.10/12.37 Number of non-strict supporting invariants: 1 23.10/12.37 Consider only non-deceasing supporting invariants: true 23.10/12.37 Simplify termination arguments: true 23.10/12.37 Simplify supporting invariants: trueOverapproximate stem: false 23.10/12.37 [2019-03-28 12:27:04,868 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.10/12.37 [2019-03-28 12:27:04,868 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.10/12.37 [2019-03-28 12:27:04,869 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.10/12.37 [2019-03-28 12:27:04,869 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.10/12.37 [2019-03-28 12:27:04,869 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.10/12.37 [2019-03-28 12:27:04,870 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.10/12.37 [2019-03-28 12:27:04,870 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.10/12.37 [2019-03-28 12:27:04,873 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.10/12.37 [2019-03-28 12:27:04,874 INFO L497 LassoAnalysis]: Using template '2-nested'. 23.10/12.37 [2019-03-28 12:27:04,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.10/12.37 Termination analysis: LINEAR_WITH_GUESSES 23.10/12.37 Number of strict supporting invariants: 0 23.10/12.37 Number of non-strict supporting invariants: 1 23.10/12.37 Consider only non-deceasing supporting invariants: true 23.10/12.37 Simplify termination arguments: true 23.10/12.37 Simplify supporting invariants: trueOverapproximate stem: false 23.10/12.37 [2019-03-28 12:27:04,875 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.10/12.37 [2019-03-28 12:27:04,875 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.10/12.37 [2019-03-28 12:27:04,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.10/12.37 [2019-03-28 12:27:04,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.10/12.37 [2019-03-28 12:27:04,876 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 23.10/12.37 [2019-03-28 12:27:04,878 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 23.10/12.37 [2019-03-28 12:27:04,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.10/12.37 [2019-03-28 12:27:04,893 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.10/12.37 [2019-03-28 12:27:04,893 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.10/12.37 Termination analysis: LINEAR_WITH_GUESSES 23.10/12.37 Number of strict supporting invariants: 0 23.10/12.37 Number of non-strict supporting invariants: 1 23.10/12.37 Consider only non-deceasing supporting invariants: true 23.10/12.37 Simplify termination arguments: true 23.10/12.37 Simplify supporting invariants: trueOverapproximate stem: false 23.10/12.37 [2019-03-28 12:27:04,894 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.10/12.37 [2019-03-28 12:27:04,894 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.10/12.37 [2019-03-28 12:27:04,895 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.10/12.37 [2019-03-28 12:27:04,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.10/12.37 [2019-03-28 12:27:04,895 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 23.10/12.37 [2019-03-28 12:27:04,896 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 23.10/12.37 [2019-03-28 12:27:04,896 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.10/12.37 [2019-03-28 12:27:04,901 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.10/12.37 [2019-03-28 12:27:04,902 INFO L497 LassoAnalysis]: Using template '3-nested'. 23.10/12.37 [2019-03-28 12:27:04,902 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.10/12.37 Termination analysis: LINEAR_WITH_GUESSES 23.10/12.37 Number of strict supporting invariants: 0 23.10/12.37 Number of non-strict supporting invariants: 1 23.10/12.37 Consider only non-deceasing supporting invariants: true 23.10/12.37 Simplify termination arguments: true 23.10/12.37 Simplify supporting invariants: trueOverapproximate stem: false 23.10/12.37 [2019-03-28 12:27:04,903 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.10/12.37 [2019-03-28 12:27:04,903 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.10/12.37 [2019-03-28 12:27:04,903 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.10/12.37 [2019-03-28 12:27:04,903 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.10/12.37 [2019-03-28 12:27:04,904 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. 23.10/12.37 [2019-03-28 12:27:04,906 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. 23.10/12.37 [2019-03-28 12:27:04,906 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.10/12.37 [2019-03-28 12:27:04,923 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 23.10/12.37 [2019-03-28 12:27:04,941 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 23.10/12.37 [2019-03-28 12:27:04,942 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. 23.10/12.37 [2019-03-28 12:27:04,944 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 23.10/12.37 [2019-03-28 12:27:04,944 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 23.10/12.37 [2019-03-28 12:27:04,944 INFO L518 LassoAnalysis]: Proved termination. 23.10/12.37 [2019-03-28 12:27:04,945 INFO L520 LassoAnalysis]: Termination argument consisting of: 23.10/12.37 Ranking function 3-nested ranking function: 23.10/12.37 f0 = 2*ULTIMATE.start_main_~z~0 + 1 23.10/12.37 f1 = 2*ULTIMATE.start_main_~y~0 + 1 23.10/12.37 f2 = 2*ULTIMATE.start_main_~x~0 + 1 23.10/12.37 Supporting invariants [] 23.10/12.37 [2019-03-28 12:27:04,947 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 23.10/12.37 [2019-03-28 12:27:04,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.10/12.37 [2019-03-28 12:27:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.10/12.37 [2019-03-28 12:27:04,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 23.10/12.37 [2019-03-28 12:27:04,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.10/12.37 [2019-03-28 12:27:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.10/12.37 [2019-03-28 12:27:05,011 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjunts are in the unsatisfiable core 23.10/12.37 [2019-03-28 12:27:05,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.10/12.37 [2019-03-28 12:27:05,233 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 23.10/12.37 [2019-03-28 12:27:05,424 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 23.10/12.37 [2019-03-28 12:27:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 23.10/12.37 [2019-03-28 12:27:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.10/12.37 [2019-03-28 12:27:06,610 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjunts are in the unsatisfiable core 23.10/12.37 [2019-03-28 12:27:06,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.10/12.37 [2019-03-28 12:27:08,351 INFO L98 LoopCannibalizer]: 35 predicates before loop cannibalization 54 predicates after loop cannibalization 23.10/12.37 [2019-03-28 12:27:08,357 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 54 loop predicates 23.10/12.37 [2019-03-28 12:27:08,359 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. 23.10/12.37 [2019-03-28 12:27:08,798 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 31 23.10/12.37 [2019-03-28 12:27:09,181 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 41 23.10/12.37 [2019-03-28 12:27:09,377 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 4 states. Result 16 states and 23 transitions. Complement of second has 14 states. 23.10/12.37 [2019-03-28 12:27:09,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states 23.10/12.37 [2019-03-28 12:27:09,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 23.10/12.37 [2019-03-28 12:27:09,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 19 transitions. 23.10/12.37 [2019-03-28 12:27:09,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 19 transitions. Stem has 1 letters. Loop has 3 letters. 23.10/12.37 [2019-03-28 12:27:09,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.10/12.37 [2019-03-28 12:27:09,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. 23.10/12.37 [2019-03-28 12:27:09,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.10/12.37 [2019-03-28 12:27:09,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 19 transitions. Stem has 1 letters. Loop has 6 letters. 23.10/12.37 [2019-03-28 12:27:09,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.10/12.37 [2019-03-28 12:27:09,391 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. 23.10/12.37 [2019-03-28 12:27:09,392 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 23.10/12.37 [2019-03-28 12:27:09,395 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. 23.10/12.37 [2019-03-28 12:27:09,396 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 23.10/12.37 [2019-03-28 12:27:09,396 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 23.10/12.37 [2019-03-28 12:27:09,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 23.10/12.37 [2019-03-28 12:27:09,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 23.10/12.37 [2019-03-28 12:27:09,397 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 23.10/12.37 [2019-03-28 12:27:09,398 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 23.10/12.37 [2019-03-28 12:27:09,398 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 23.10/12.37 [2019-03-28 12:27:09,398 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 23.10/12.37 [2019-03-28 12:27:09,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 23.10/12.37 [2019-03-28 12:27:09,398 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 23.10/12.37 [2019-03-28 12:27:09,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 23.10/12.37 [2019-03-28 12:27:09,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:27:09 BasicIcfg 23.10/12.37 [2019-03-28 12:27:09,404 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 23.10/12.37 [2019-03-28 12:27:09,405 INFO L168 Benchmark]: Toolchain (without parser) took 8059.22 ms. Allocated memory was 649.6 MB in the beginning and 767.6 MB in the end (delta: 118.0 MB). Free memory was 558.5 MB in the beginning and 549.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 126.6 MB. Max. memory is 50.3 GB. 23.10/12.37 [2019-03-28 12:27:09,406 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 23.10/12.37 [2019-03-28 12:27:09,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.64 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 558.5 MB in the beginning and 643.4 MB in the end (delta: -84.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 23.10/12.37 [2019-03-28 12:27:09,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.08 ms. Allocated memory is still 676.9 MB. Free memory was 643.4 MB in the beginning and 642.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 23.10/12.37 [2019-03-28 12:27:09,408 INFO L168 Benchmark]: Boogie Preprocessor took 20.31 ms. Allocated memory is still 676.9 MB. Free memory was 642.0 MB in the beginning and 640.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 23.10/12.37 [2019-03-28 12:27:09,408 INFO L168 Benchmark]: RCFGBuilder took 204.58 ms. Allocated memory is still 676.9 MB. Free memory was 640.7 MB in the beginning and 625.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 23.10/12.37 [2019-03-28 12:27:09,409 INFO L168 Benchmark]: BlockEncodingV2 took 85.99 ms. Allocated memory is still 676.9 MB. Free memory was 625.9 MB in the beginning and 619.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 23.10/12.37 [2019-03-28 12:27:09,409 INFO L168 Benchmark]: TraceAbstraction took 155.29 ms. Allocated memory is still 676.9 MB. Free memory was 619.4 MB in the beginning and 610.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 23.10/12.37 [2019-03-28 12:27:09,410 INFO L168 Benchmark]: BuchiAutomizer took 7260.14 ms. Allocated memory was 676.9 MB in the beginning and 767.6 MB in the end (delta: 90.7 MB). Free memory was 610.0 MB in the beginning and 549.8 MB in the end (delta: 60.1 MB). Peak memory consumption was 150.8 MB. Max. memory is 50.3 GB. 23.10/12.37 [2019-03-28 12:27:09,415 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 23.10/12.37 --- Results --- 23.10/12.37 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 23.10/12.37 - StatisticsResult: Initial Icfg 23.10/12.37 8 locations, 10 edges 23.10/12.37 - StatisticsResult: Encoded RCFG 23.10/12.37 4 locations, 6 edges 23.10/12.37 * Results from de.uni_freiburg.informatik.ultimate.core: 23.10/12.37 - StatisticsResult: Toolchain Benchmarks 23.10/12.37 Benchmark results are: 23.10/12.37 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 23.10/12.37 * CACSL2BoogieTranslator took 290.64 ms. Allocated memory was 649.6 MB in the beginning and 676.9 MB in the end (delta: 27.3 MB). Free memory was 558.5 MB in the beginning and 643.4 MB in the end (delta: -84.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 50.3 GB. 23.10/12.37 * Boogie Procedure Inliner took 37.08 ms. Allocated memory is still 676.9 MB. Free memory was 643.4 MB in the beginning and 642.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 23.10/12.37 * Boogie Preprocessor took 20.31 ms. Allocated memory is still 676.9 MB. Free memory was 642.0 MB in the beginning and 640.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 23.10/12.37 * RCFGBuilder took 204.58 ms. Allocated memory is still 676.9 MB. Free memory was 640.7 MB in the beginning and 625.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 50.3 GB. 23.10/12.37 * BlockEncodingV2 took 85.99 ms. Allocated memory is still 676.9 MB. Free memory was 625.9 MB in the beginning and 619.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 23.10/12.37 * TraceAbstraction took 155.29 ms. Allocated memory is still 676.9 MB. Free memory was 619.4 MB in the beginning and 610.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 23.10/12.37 * BuchiAutomizer took 7260.14 ms. Allocated memory was 676.9 MB in the beginning and 767.6 MB in the end (delta: 90.7 MB). Free memory was 610.0 MB in the beginning and 549.8 MB in the end (delta: 60.1 MB). Peak memory consumption was 150.8 MB. Max. memory is 50.3 GB. 23.10/12.37 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 23.10/12.37 - AllSpecificationsHoldResult: All specifications hold 23.10/12.37 We were not able to verify any specifiation because the program does not contain any specification. 23.10/12.37 - InvariantResult [Line: 20]: Loop Invariant 23.10/12.37 Derived loop invariant: 1 23.10/12.37 - StatisticsResult: Ultimate Automizer benchmark data 23.10/12.37 CFG has 1 procedures, 4 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 23.10/12.37 - StatisticsResult: Constructed decomposition of program 23.10/12.37 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 3-nested ranking function (if 2 * z + 1 > 0 then 2 else (if 2 * y + 1 > 0 then 1 else 0)), (if 2 * z + 1 > 0 then 2 * z + 1 else (if 2 * y + 1 > 0 then 2 * y + 1 else 2 * x + 1)) and consists of 8 locations. 23.10/12.37 - StatisticsResult: Timing statistics 23.10/12.37 BüchiAutomizer plugin needed 7.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.2s. Büchi inclusion checks took 4.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 65 SDslu, 0 SDs, 0 SdLazy, 87 SolverSat, 132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp86 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.2s 23.10/12.37 - TerminationAnalysisResult: Termination proven 23.10/12.37 Buchi Automizer proved that your program is terminating 23.10/12.37 RESULT: Ultimate proved your program to be correct! 23.10/12.37 !SESSION 2019-03-28 12:26:58.066 ----------------------------------------------- 23.10/12.37 eclipse.buildId=unknown 23.10/12.37 java.version=1.8.0_181 23.10/12.37 java.vendor=Oracle Corporation 23.10/12.37 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 23.10/12.37 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 23.10/12.37 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 23.10/12.37 23.10/12.37 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:27:09.648 23.10/12.37 !MESSAGE The workspace will exit with unsaved changes in this session. 23.10/12.37 Received shutdown request... 23.10/12.37 Ultimate: 23.10/12.37 GTK+ Version Check 23.10/12.37 EOF