11.36/6.83 NO 11.36/6.83 11.36/6.83 Ultimate: Cannot open display: 11.36/6.83 This is Ultimate 0.1.24-8dc7c08-m 11.36/6.83 [2019-03-28 11:55:46,312 INFO L170 SettingsManager]: Resetting all preferences to default values... 11.36/6.83 [2019-03-28 11:55:46,315 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 11.36/6.83 [2019-03-28 11:55:46,326 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 11.36/6.83 [2019-03-28 11:55:46,326 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 11.36/6.83 [2019-03-28 11:55:46,327 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 11.36/6.83 [2019-03-28 11:55:46,328 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 11.36/6.83 [2019-03-28 11:55:46,330 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 11.36/6.83 [2019-03-28 11:55:46,331 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 11.36/6.83 [2019-03-28 11:55:46,332 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 11.36/6.83 [2019-03-28 11:55:46,333 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 11.36/6.83 [2019-03-28 11:55:46,333 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 11.36/6.83 [2019-03-28 11:55:46,334 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 11.36/6.83 [2019-03-28 11:55:46,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 11.36/6.83 [2019-03-28 11:55:46,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 11.36/6.83 [2019-03-28 11:55:46,337 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 11.36/6.83 [2019-03-28 11:55:46,338 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 11.36/6.83 [2019-03-28 11:55:46,339 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 11.36/6.83 [2019-03-28 11:55:46,341 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 11.36/6.83 [2019-03-28 11:55:46,343 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 11.36/6.83 [2019-03-28 11:55:46,344 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 11.36/6.83 [2019-03-28 11:55:46,345 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 11.36/6.83 [2019-03-28 11:55:46,347 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 11.36/6.83 [2019-03-28 11:55:46,347 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 11.36/6.83 [2019-03-28 11:55:46,347 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 11.36/6.83 [2019-03-28 11:55:46,348 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 11.36/6.83 [2019-03-28 11:55:46,348 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 11.36/6.83 [2019-03-28 11:55:46,349 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 11.36/6.83 [2019-03-28 11:55:46,350 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 11.36/6.83 [2019-03-28 11:55:46,350 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 11.36/6.83 [2019-03-28 11:55:46,351 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 11.36/6.83 [2019-03-28 11:55:46,352 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 11.36/6.83 [2019-03-28 11:55:46,353 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 11.36/6.83 [2019-03-28 11:55:46,353 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 11.36/6.83 [2019-03-28 11:55:46,353 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 11.36/6.83 [2019-03-28 11:55:46,354 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 11.36/6.83 [2019-03-28 11:55:46,354 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 11.36/6.83 [2019-03-28 11:55:46,355 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 11.36/6.83 [2019-03-28 11:55:46,355 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 11.36/6.83 [2019-03-28 11:55:46,356 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 11.36/6.83 [2019-03-28 11:55:46,370 INFO L110 SettingsManager]: Loading preferences was successful 11.36/6.83 [2019-03-28 11:55:46,371 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 11.36/6.83 [2019-03-28 11:55:46,372 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 11.36/6.83 [2019-03-28 11:55:46,372 INFO L133 SettingsManager]: * Rewrite not-equals=true 11.36/6.83 [2019-03-28 11:55:46,372 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 11.36/6.83 [2019-03-28 11:55:46,372 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 11.36/6.83 [2019-03-28 11:55:46,372 INFO L133 SettingsManager]: * Use SBE=true 11.36/6.83 [2019-03-28 11:55:46,373 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 11.36/6.83 [2019-03-28 11:55:46,373 INFO L133 SettingsManager]: * Use old map elimination=false 11.36/6.83 [2019-03-28 11:55:46,373 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 11.36/6.83 [2019-03-28 11:55:46,373 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 11.36/6.83 [2019-03-28 11:55:46,373 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 11.36/6.83 [2019-03-28 11:55:46,374 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 11.36/6.83 [2019-03-28 11:55:46,374 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 11.36/6.83 [2019-03-28 11:55:46,374 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 11.36/6.83 [2019-03-28 11:55:46,374 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 11.36/6.83 [2019-03-28 11:55:46,374 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 11.36/6.83 [2019-03-28 11:55:46,375 INFO L133 SettingsManager]: * Check division by zero=IGNORE 11.36/6.83 [2019-03-28 11:55:46,375 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 11.36/6.83 [2019-03-28 11:55:46,375 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 11.36/6.83 [2019-03-28 11:55:46,375 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 11.36/6.83 [2019-03-28 11:55:46,375 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 11.36/6.83 [2019-03-28 11:55:46,376 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 11.36/6.83 [2019-03-28 11:55:46,376 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 11.36/6.83 [2019-03-28 11:55:46,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.36/6.83 [2019-03-28 11:55:46,376 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 11.36/6.83 [2019-03-28 11:55:46,376 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 11.36/6.83 [2019-03-28 11:55:46,377 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 11.36/6.83 [2019-03-28 11:55:46,377 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 11.36/6.83 [2019-03-28 11:55:46,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 11.36/6.83 [2019-03-28 11:55:46,424 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 11.36/6.83 [2019-03-28 11:55:46,428 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 11.36/6.83 [2019-03-28 11:55:46,429 INFO L271 PluginConnector]: Initializing CDTParser... 11.36/6.83 [2019-03-28 11:55:46,430 INFO L276 PluginConnector]: CDTParser initialized 11.36/6.83 [2019-03-28 11:55:46,431 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 11.36/6.83 [2019-03-28 11:55:46,487 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/75c6392d443640f6afd4dd9b6ae6379c/FLAG367c4ec03 11.36/6.83 [2019-03-28 11:55:47,016 INFO L307 CDTParser]: Found 1 translation units. 11.36/6.83 [2019-03-28 11:55:47,017 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 11.36/6.83 [2019-03-28 11:55:47,024 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/75c6392d443640f6afd4dd9b6ae6379c/FLAG367c4ec03 11.36/6.83 [2019-03-28 11:55:47,418 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/75c6392d443640f6afd4dd9b6ae6379c 11.36/6.83 [2019-03-28 11:55:47,430 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 11.36/6.83 [2019-03-28 11:55:47,431 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 11.36/6.83 [2019-03-28 11:55:47,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 11.36/6.83 [2019-03-28 11:55:47,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 11.36/6.83 [2019-03-28 11:55:47,436 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 11.36/6.83 [2019-03-28 11:55:47,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:55:47" (1/1) ... 11.36/6.83 [2019-03-28 11:55:47,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230727c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47, skipping insertion in model container 11.36/6.83 [2019-03-28 11:55:47,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:55:47" (1/1) ... 11.36/6.83 [2019-03-28 11:55:47,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 11.36/6.83 [2019-03-28 11:55:47,467 INFO L176 MainTranslator]: Built tables and reachable declarations 11.36/6.83 [2019-03-28 11:55:47,628 INFO L206 PostProcessor]: Analyzing one entry point: main 11.36/6.83 [2019-03-28 11:55:47,633 INFO L191 MainTranslator]: Completed pre-run 11.36/6.83 [2019-03-28 11:55:47,651 INFO L206 PostProcessor]: Analyzing one entry point: main 11.36/6.83 [2019-03-28 11:55:47,667 INFO L195 MainTranslator]: Completed translation 11.36/6.83 [2019-03-28 11:55:47,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47 WrapperNode 11.36/6.83 [2019-03-28 11:55:47,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 11.36/6.83 [2019-03-28 11:55:47,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 11.36/6.83 [2019-03-28 11:55:47,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 11.36/6.83 [2019-03-28 11:55:47,669 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 11.36/6.83 [2019-03-28 11:55:47,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 11.36/6.83 [2019-03-28 11:55:47,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 11.36/6.83 [2019-03-28 11:55:47,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 11.36/6.83 [2019-03-28 11:55:47,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 11.36/6.83 [2019-03-28 11:55:47,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 11.36/6.83 [2019-03-28 11:55:47,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized 11.36/6.83 [2019-03-28 11:55:47,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 11.36/6.83 [2019-03-28 11:55:47,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 11.36/6.83 [2019-03-28 11:55:47,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 11.36/6.83 [2019-03-28 11:55:47,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 11.36/6.83 [2019-03-28 11:55:47,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 11.36/6.83 [2019-03-28 11:55:47,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 11.36/6.83 [2019-03-28 11:55:47,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 11.36/6.83 [2019-03-28 11:55:47,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 11.36/6.83 [2019-03-28 11:55:47,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 11.36/6.83 [2019-03-28 11:55:47,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... 11.36/6.83 [2019-03-28 11:55:47,793 INFO L276 PluginConnector]: RCFGBuilder initialized 11.36/6.83 [2019-03-28 11:55:47,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (1/1) ... 11.36/6.83 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 11.36/6.83 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 11.36/6.84 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 11.36/6.84 [2019-03-28 11:55:47,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 11.36/6.84 [2019-03-28 11:55:47,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 11.36/6.84 [2019-03-28 11:55:48,038 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 11.36/6.84 [2019-03-28 11:55:48,038 INFO L286 CfgBuilder]: Removed 16 assue(true) statements. 11.36/6.84 [2019-03-28 11:55:48,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:48 BoogieIcfgContainer 11.36/6.84 [2019-03-28 11:55:48,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 11.36/6.84 [2019-03-28 11:55:48,040 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 11.36/6.84 [2019-03-28 11:55:48,040 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 11.36/6.84 [2019-03-28 11:55:48,043 INFO L276 PluginConnector]: BlockEncodingV2 initialized 11.36/6.84 [2019-03-28 11:55:48,044 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:48" (1/1) ... 11.36/6.84 [2019-03-28 11:55:48,060 INFO L313 BlockEncoder]: Initial Icfg 21 locations, 33 edges 11.36/6.84 [2019-03-28 11:55:48,062 INFO L258 BlockEncoder]: Using Remove infeasible edges 11.36/6.84 [2019-03-28 11:55:48,062 INFO L263 BlockEncoder]: Using Maximize final states 11.36/6.84 [2019-03-28 11:55:48,063 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 11.36/6.84 [2019-03-28 11:55:48,063 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 11.36/6.84 [2019-03-28 11:55:48,065 INFO L296 BlockEncoder]: Using Remove sink states 11.36/6.84 [2019-03-28 11:55:48,066 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 11.36/6.84 [2019-03-28 11:55:48,067 INFO L179 BlockEncoder]: Using Rewrite not-equals 11.36/6.84 [2019-03-28 11:55:48,088 INFO L185 BlockEncoder]: Using Use SBE 11.36/6.84 [2019-03-28 11:55:48,110 INFO L200 BlockEncoder]: SBE split 11 edges 11.36/6.84 [2019-03-28 11:55:48,115 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 11.36/6.84 [2019-03-28 11:55:48,117 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.36/6.84 [2019-03-28 11:55:48,127 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 11.36/6.84 [2019-03-28 11:55:48,130 INFO L70 RemoveSinkStates]: Removed 5 edges and 3 locations by removing sink states 11.36/6.84 [2019-03-28 11:55:48,132 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 11.36/6.84 [2019-03-28 11:55:48,132 INFO L71 MaximizeFinalStates]: 0 new accepting states 11.36/6.84 [2019-03-28 11:55:48,132 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 11.36/6.84 [2019-03-28 11:55:48,133 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 11.36/6.84 [2019-03-28 11:55:48,133 INFO L313 BlockEncoder]: Encoded RCFG 15 locations, 34 edges 11.36/6.84 [2019-03-28 11:55:48,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:55:48 BasicIcfg 11.36/6.84 [2019-03-28 11:55:48,134 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 11.36/6.84 [2019-03-28 11:55:48,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 11.36/6.84 [2019-03-28 11:55:48,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... 11.36/6.84 [2019-03-28 11:55:48,139 INFO L276 PluginConnector]: TraceAbstraction initialized 11.36/6.84 [2019-03-28 11:55:48,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:55:47" (1/4) ... 11.36/6.84 [2019-03-28 11:55:48,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afbdd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:55:48, skipping insertion in model container 11.36/6.84 [2019-03-28 11:55:48,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (2/4) ... 11.36/6.84 [2019-03-28 11:55:48,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afbdd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:55:48, skipping insertion in model container 11.36/6.84 [2019-03-28 11:55:48,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:48" (3/4) ... 11.36/6.84 [2019-03-28 11:55:48,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afbdd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:55:48, skipping insertion in model container 11.36/6.84 [2019-03-28 11:55:48,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:55:48" (4/4) ... 11.36/6.84 [2019-03-28 11:55:48,143 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.36/6.84 [2019-03-28 11:55:48,155 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 11.36/6.84 [2019-03-28 11:55:48,163 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 11.36/6.84 [2019-03-28 11:55:48,180 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 11.36/6.84 [2019-03-28 11:55:48,209 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.36/6.84 [2019-03-28 11:55:48,209 INFO L382 AbstractCegarLoop]: Interprodecural is true 11.36/6.84 [2019-03-28 11:55:48,210 INFO L383 AbstractCegarLoop]: Hoare is true 11.36/6.84 [2019-03-28 11:55:48,210 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 11.36/6.84 [2019-03-28 11:55:48,210 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 11.36/6.84 [2019-03-28 11:55:48,210 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.36/6.84 [2019-03-28 11:55:48,210 INFO L387 AbstractCegarLoop]: Difference is false 11.36/6.84 [2019-03-28 11:55:48,210 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 11.36/6.84 [2019-03-28 11:55:48,211 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 11.36/6.84 [2019-03-28 11:55:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. 11.36/6.84 [2019-03-28 11:55:48,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 11.36/6.84 [2019-03-28 11:55:48,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. 11.36/6.84 [2019-03-28 11:55:48,285 INFO L451 ceAbstractionStarter]: At program point L35-3(lines 35 44) the Hoare annotation is: true 11.36/6.84 [2019-03-28 11:55:48,285 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,285 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 28) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,285 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 24 28) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,286 INFO L448 ceAbstractionStarter]: For program point L23-1(lines 23 29) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,286 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 52) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,286 INFO L448 ceAbstractionStarter]: For program point L16(lines 16 20) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,286 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 21) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,286 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 21) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,286 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 53) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,287 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 1 57) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,287 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 40) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,287 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 35 44) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,287 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 45) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,287 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 35 44) no Hoare annotation was computed. 11.36/6.84 [2019-03-28 11:55:48,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:55:48 BasicIcfg 11.36/6.84 [2019-03-28 11:55:48,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 11.36/6.84 [2019-03-28 11:55:48,297 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 11.36/6.84 [2019-03-28 11:55:48,297 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 11.36/6.84 [2019-03-28 11:55:48,300 INFO L276 PluginConnector]: BuchiAutomizer initialized 11.36/6.84 [2019-03-28 11:55:48,301 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.36/6.84 [2019-03-28 11:55:48,301 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:55:47" (1/5) ... 11.36/6.84 [2019-03-28 11:55:48,302 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f683f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:55:48, skipping insertion in model container 11.36/6.84 [2019-03-28 11:55:48,302 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.36/6.84 [2019-03-28 11:55:48,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:55:47" (2/5) ... 11.36/6.84 [2019-03-28 11:55:48,303 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f683f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:55:48, skipping insertion in model container 11.36/6.84 [2019-03-28 11:55:48,303 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.36/6.84 [2019-03-28 11:55:48,303 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:55:48" (3/5) ... 11.36/6.84 [2019-03-28 11:55:48,304 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f683f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:55:48, skipping insertion in model container 11.36/6.84 [2019-03-28 11:55:48,304 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.36/6.84 [2019-03-28 11:55:48,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:55:48" (4/5) ... 11.36/6.84 [2019-03-28 11:55:48,304 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f683f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:55:48, skipping insertion in model container 11.36/6.84 [2019-03-28 11:55:48,304 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 11.36/6.84 [2019-03-28 11:55:48,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:55:48" (5/5) ... 11.36/6.84 [2019-03-28 11:55:48,306 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 11.36/6.84 [2019-03-28 11:55:48,333 INFO L133 ementStrategyFactory]: Using default assertion order modulation 11.36/6.84 [2019-03-28 11:55:48,334 INFO L374 BuchiCegarLoop]: Interprodecural is true 11.36/6.84 [2019-03-28 11:55:48,334 INFO L375 BuchiCegarLoop]: Hoare is true 11.36/6.84 [2019-03-28 11:55:48,334 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 11.36/6.84 [2019-03-28 11:55:48,334 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 11.36/6.84 [2019-03-28 11:55:48,334 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 11.36/6.84 [2019-03-28 11:55:48,334 INFO L379 BuchiCegarLoop]: Difference is false 11.36/6.84 [2019-03-28 11:55:48,334 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 11.36/6.84 [2019-03-28 11:55:48,335 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 11.36/6.84 [2019-03-28 11:55:48,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. 11.36/6.84 [2019-03-28 11:55:48,357 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 11.36/6.84 [2019-03-28 11:55:48,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.36/6.84 [2019-03-28 11:55:48,358 INFO L119 BuchiIsEmpty]: Starting construction of run 11.36/6.84 [2019-03-28 11:55:48,365 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 11.36/6.84 [2019-03-28 11:55:48,366 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 11.36/6.84 [2019-03-28 11:55:48,366 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 11.36/6.84 [2019-03-28 11:55:48,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. 11.36/6.84 [2019-03-28 11:55:48,367 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 11.36/6.84 [2019-03-28 11:55:48,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 11.36/6.84 [2019-03-28 11:55:48,368 INFO L119 BuchiIsEmpty]: Starting construction of run 11.36/6.84 [2019-03-28 11:55:48,368 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 11.36/6.84 [2019-03-28 11:55:48,368 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 11.36/6.84 [2019-03-28 11:55:48,373 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue [152] ULTIMATE.startENTRY-->L34: Formula: (and (= 0 v_~LOCK~0_17) (= v_ULTIMATE.start_main_~new~0_9 0) (= 0 v_ULTIMATE.start_main_~old~0_7)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~new~0=v_ULTIMATE.start_main_~new~0_9, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_6|, ULTIMATE.start_main_~old~0=v_ULTIMATE.start_main_~old~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_4|, ~LOCK~0=v_~LOCK~0_17, ULTIMATE.start_main_#t~post3=|v_ULTIMATE.start_main_#t~post3_4|, ULTIMATE.start_main_~got_lock~0=v_ULTIMATE.start_main_~got_lock~0_9, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~new~0, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~old~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ~LOCK~0, ULTIMATE.start_main_#t~post3, ULTIMATE.start_main_~got_lock~0, ULTIMATE.start_main_#t~post5] 12#L34true [131] L34-->L35-3: Formula: (> 0 |v_ULTIMATE.start_main_#t~nondet0_3|) InVars {ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_3|} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0] 8#L35-3true 11.36/6.84 [2019-03-28 11:55:48,374 INFO L796 eck$LassoCheckResult]: Loop: 8#L35-3true [96] L35-3-->L37: Formula: (= v_ULTIMATE.start_main_~got_lock~0_4 0) InVars {} OutVars{ULTIMATE.start_main_~got_lock~0=v_ULTIMATE.start_main_~got_lock~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~got_lock~0] 4#L37true [88] L37-->L37-2: Formula: (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2] 15#L37-2true [114] L37-2-->L35-1: Formula: (= 0 v_ULTIMATE.start_main_~got_lock~0_8) InVars {ULTIMATE.start_main_~got_lock~0=v_ULTIMATE.start_main_~got_lock~0_8} OutVars{ULTIMATE.start_main_~got_lock~0=v_ULTIMATE.start_main_~got_lock~0_8} AuxVars[] AssignedVars[] 13#L35-1true [148] L35-1-->L35-3: Formula: (< 0 |v_ULTIMATE.start_main_#t~nondet1_5|) InVars {ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|} OutVars{ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet1] 8#L35-3true 11.36/6.84 [2019-03-28 11:55:48,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.36/6.84 [2019-03-28 11:55:48,380 INFO L82 PathProgramCache]: Analyzing trace with hash 5804, now seen corresponding path program 1 times 11.36/6.84 [2019-03-28 11:55:48,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.36/6.84 [2019-03-28 11:55:48,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.36/6.84 [2019-03-28 11:55:48,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.36/6.84 [2019-03-28 11:55:48,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.36/6.84 [2019-03-28 11:55:48,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.36/6.84 [2019-03-28 11:55:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.36/6.84 [2019-03-28 11:55:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.36/6.84 [2019-03-28 11:55:48,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.36/6.84 [2019-03-28 11:55:48,451 INFO L82 PathProgramCache]: Analyzing trace with hash 3871707, now seen corresponding path program 1 times 11.36/6.84 [2019-03-28 11:55:48,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.36/6.84 [2019-03-28 11:55:48,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.36/6.84 [2019-03-28 11:55:48,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.36/6.84 [2019-03-28 11:55:48,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.36/6.84 [2019-03-28 11:55:48,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.36/6.84 [2019-03-28 11:55:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.36/6.84 [2019-03-28 11:55:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.36/6.84 [2019-03-28 11:55:48,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 11.36/6.84 [2019-03-28 11:55:48,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1068096774, now seen corresponding path program 1 times 11.36/6.84 [2019-03-28 11:55:48,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 11.36/6.84 [2019-03-28 11:55:48,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 11.36/6.84 [2019-03-28 11:55:48,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.36/6.84 [2019-03-28 11:55:48,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 11.36/6.84 [2019-03-28 11:55:48,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 11.36/6.84 [2019-03-28 11:55:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.36/6.84 [2019-03-28 11:55:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 11.36/6.84 [2019-03-28 11:55:48,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:55:48 BasicIcfg 11.36/6.84 [2019-03-28 11:55:48,578 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 11.36/6.84 [2019-03-28 11:55:48,579 INFO L168 Benchmark]: Toolchain (without parser) took 1148.49 ms. Allocated memory was 649.6 MB in the beginning and 674.8 MB in the end (delta: 25.2 MB). Free memory was 559.8 MB in the beginning and 582.0 MB in the end (delta: -22.2 MB). Peak memory consumption was 3.0 MB. Max. memory is 50.3 GB. 11.36/6.84 [2019-03-28 11:55:48,581 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. 11.36/6.84 [2019-03-28 11:55:48,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.64 ms. Allocated memory is still 649.6 MB. Free memory was 559.8 MB in the beginning and 549.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 11.36/6.84 [2019-03-28 11:55:48,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.98 ms. Allocated memory was 649.6 MB in the beginning and 674.8 MB in the end (delta: 25.2 MB). Free memory was 549.0 MB in the beginning and 641.1 MB in the end (delta: -92.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 11.36/6.84 [2019-03-28 11:55:48,583 INFO L168 Benchmark]: Boogie Preprocessor took 24.45 ms. Allocated memory is still 674.8 MB. Free memory was 641.1 MB in the beginning and 638.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.36/6.84 [2019-03-28 11:55:48,584 INFO L168 Benchmark]: RCFGBuilder took 247.29 ms. Allocated memory is still 674.8 MB. Free memory was 638.0 MB in the beginning and 622.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 50.3 GB. 11.36/6.84 [2019-03-28 11:55:48,584 INFO L168 Benchmark]: BlockEncodingV2 took 94.08 ms. Allocated memory is still 674.8 MB. Free memory was 622.3 MB in the beginning and 614.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 50.3 GB. 11.36/6.84 [2019-03-28 11:55:48,585 INFO L168 Benchmark]: TraceAbstraction took 161.22 ms. Allocated memory is still 674.8 MB. Free memory was 614.4 MB in the beginning and 604.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 11.36/6.84 [2019-03-28 11:55:48,585 INFO L168 Benchmark]: BuchiAutomizer took 281.62 ms. Allocated memory is still 674.8 MB. Free memory was 604.9 MB in the beginning and 582.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 50.3 GB. 11.36/6.84 [2019-03-28 11:55:48,590 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 11.36/6.84 --- Results --- 11.36/6.84 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 11.36/6.84 - StatisticsResult: Initial Icfg 11.36/6.84 21 locations, 33 edges 11.36/6.84 - StatisticsResult: Encoded RCFG 11.36/6.84 15 locations, 34 edges 11.36/6.84 * Results from de.uni_freiburg.informatik.ultimate.core: 11.36/6.84 - StatisticsResult: Toolchain Benchmarks 11.36/6.84 Benchmark results are: 11.36/6.84 * 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. 11.36/6.84 * CACSL2BoogieTranslator took 235.64 ms. Allocated memory is still 649.6 MB. Free memory was 559.8 MB in the beginning and 549.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 11.36/6.84 * Boogie Procedure Inliner took 98.98 ms. Allocated memory was 649.6 MB in the beginning and 674.8 MB in the end (delta: 25.2 MB). Free memory was 549.0 MB in the beginning and 641.1 MB in the end (delta: -92.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 11.36/6.84 * Boogie Preprocessor took 24.45 ms. Allocated memory is still 674.8 MB. Free memory was 641.1 MB in the beginning and 638.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 11.36/6.84 * RCFGBuilder took 247.29 ms. Allocated memory is still 674.8 MB. Free memory was 638.0 MB in the beginning and 622.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 50.3 GB. 11.36/6.84 * BlockEncodingV2 took 94.08 ms. Allocated memory is still 674.8 MB. Free memory was 622.3 MB in the beginning and 614.4 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 50.3 GB. 11.36/6.84 * TraceAbstraction took 161.22 ms. Allocated memory is still 674.8 MB. Free memory was 614.4 MB in the beginning and 604.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 11.36/6.84 * BuchiAutomizer took 281.62 ms. Allocated memory is still 674.8 MB. Free memory was 604.9 MB in the beginning and 582.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 50.3 GB. 11.36/6.84 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 11.36/6.84 - AllSpecificationsHoldResult: All specifications hold 11.36/6.84 We were not able to verify any specifiation because the program does not contain any specification. 11.36/6.84 - InvariantResult [Line: 35]: Loop Invariant 11.36/6.84 Derived loop invariant: 1 11.36/6.84 - StatisticsResult: Ultimate Automizer benchmark data 11.36/6.84 CFG has 1 procedures, 15 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=15occurred 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 11.36/6.84 - StatisticsResult: Constructed decomposition of program 11.36/6.84 Trivial decomposition into one nonterminating module. 11.36/6.84 - StatisticsResult: Timing statistics 11.36/6.84 BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.1s. 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: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 11.36/6.84 - TerminationAnalysisResult: Nontermination possible 11.36/6.84 Buchi Automizer proved that your program is nonterminating for some inputs 11.36/6.84 - FixpointNonTerminationResult [Line: 35]: Nontermination argument in form of an infinite program execution. 11.36/6.84 Nontermination argument in form of an infinite execution 11.36/6.84 State at position 0 is 11.36/6.84 {} 11.36/6.84 State at position 1 is 11.36/6.84 {got_lock=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d97e5cd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5936026c=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25db4791=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f1ac1e7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@20a60e13=0, new=0, old=0, LOCK=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@2ae2a127=0} 11.36/6.84 - StatisticsResult: NonterminationArgumentStatistics 11.36/6.84 Fixpoint 11.36/6.84 - NonterminatingLassoResult [Line: 35]: Nonterminating execution 11.36/6.84 Found a nonterminating execution for the following lasso shaped sequence of statements. 11.36/6.84 Stem: 11.36/6.84 [L13] int LOCK; 11.36/6.84 [L32] int got_lock; 11.36/6.84 [L33] int old = 0, new = 0; 11.36/6.84 [L34] COND TRUE __VERIFIER_nondet_int() 11.36/6.84 Loop: 11.36/6.84 [L36] got_lock = 0 11.36/6.84 [L37] COND FALSE !(__VERIFIER_nondet_int()) 11.36/6.84 [L41] COND FALSE !(\read(got_lock)) 11.36/6.84 [L44] COND TRUE __VERIFIER_nondet_int() 11.36/6.84 End of lasso representation. 11.36/6.84 RESULT: Ultimate proved your program to be incorrect! 11.36/6.84 !SESSION 2019-03-28 11:55:43.760 ----------------------------------------------- 11.36/6.84 eclipse.buildId=unknown 11.36/6.84 java.version=1.8.0_181 11.36/6.84 java.vendor=Oracle Corporation 11.36/6.84 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 11.36/6.84 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 11.36/6.84 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 11.36/6.84 11.36/6.84 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:55:48.827 11.36/6.84 !MESSAGE The workspace will exit with unsaved changes in this session. 11.36/6.84 Received shutdown request... 11.36/6.84 Ultimate: 11.36/6.84 GTK+ Version Check 11.36/6.84 EOF