/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 23:41:45,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 23:41:45,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 23:41:45,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 23:41:45,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 23:41:45,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 23:41:45,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 23:41:45,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 23:41:45,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 23:41:45,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 23:41:45,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 23:41:45,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 23:41:45,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 23:41:45,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 23:41:45,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 23:41:45,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 23:41:45,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 23:41:45,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 23:41:45,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 23:41:45,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 23:41:45,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 23:41:45,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 23:41:45,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 23:41:45,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 23:41:45,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 23:41:45,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 23:41:45,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 23:41:45,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 23:41:45,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 23:41:45,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 23:41:45,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 23:41:45,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 23:41:45,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 23:41:45,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 23:41:45,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 23:41:45,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 23:41:45,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 23:41:45,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 23:41:45,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 23:41:45,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 23:41:45,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 23:41:45,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-27 23:41:45,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 23:41:45,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 23:41:45,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 23:41:45,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 23:41:45,406 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 23:41:45,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 23:41:45,407 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 23:41:45,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 23:41:45,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 23:41:45,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 23:41:45,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 23:41:45,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 23:41:45,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 23:41:45,409 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 23:41:45,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 23:41:45,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 23:41:45,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 23:41:45,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 23:41:45,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 23:41:45,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 23:41:45,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 23:41:45,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 23:41:45,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 23:41:45,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 23:41:45,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 23:41:45,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 23:41:45,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 23:41:45,412 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 23:41:45,412 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 23:41:45,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 23:41:45,413 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 23:41:45,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 23:41:45,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 23:41:45,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 23:41:45,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 23:41:45,707 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 23:41:45,708 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 23:41:45,708 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2019-12-27 23:41:45,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97907768a/3ed18438f6a9475aa88bbe5fa2703c47/FLAGd76d031b0 [2019-12-27 23:41:46,320 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 23:41:46,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2019-12-27 23:41:46,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97907768a/3ed18438f6a9475aa88bbe5fa2703c47/FLAGd76d031b0 [2019-12-27 23:41:46,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97907768a/3ed18438f6a9475aa88bbe5fa2703c47 [2019-12-27 23:41:46,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 23:41:46,607 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 23:41:46,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 23:41:46,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 23:41:46,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 23:41:46,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:41:46" (1/1) ... [2019-12-27 23:41:46,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5124d900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:46, skipping insertion in model container [2019-12-27 23:41:46,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:41:46" (1/1) ... [2019-12-27 23:41:46,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 23:41:46,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 23:41:47,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:41:47,167 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 23:41:47,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:41:47,301 INFO L208 MainTranslator]: Completed translation [2019-12-27 23:41:47,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:47 WrapperNode [2019-12-27 23:41:47,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 23:41:47,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 23:41:47,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 23:41:47,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 23:41:47,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:47" (1/1) ... [2019-12-27 23:41:47,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:47" (1/1) ... [2019-12-27 23:41:47,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 23:41:47,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 23:41:47,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 23:41:47,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 23:41:47,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:47" (1/1) ... [2019-12-27 23:41:47,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:47" (1/1) ... [2019-12-27 23:41:47,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:47" (1/1) ... [2019-12-27 23:41:47,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:47" (1/1) ... [2019-12-27 23:41:47,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:47" (1/1) ... [2019-12-27 23:41:47,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:47" (1/1) ... [2019-12-27 23:41:47,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:47" (1/1) ... [2019-12-27 23:41:47,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 23:41:47,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 23:41:47,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 23:41:47,378 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 23:41:47,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 23:41:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 23:41:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 23:41:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 23:41:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 23:41:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 23:41:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 23:41:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 23:41:47,440 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 23:41:47,591 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-27 23:41:47,592 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-27 23:41:47,592 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-12-27 23:41:47,593 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-12-27 23:41:47,782 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 23:41:47,782 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 23:41:47,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:41:47 BoogieIcfgContainer [2019-12-27 23:41:47,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 23:41:47,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 23:41:47,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 23:41:47,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 23:41:47,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:41:46" (1/3) ... [2019-12-27 23:41:47,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e0a762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:41:47, skipping insertion in model container [2019-12-27 23:41:47,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:41:47" (2/3) ... [2019-12-27 23:41:47,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e0a762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:41:47, skipping insertion in model container [2019-12-27 23:41:47,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:41:47" (3/3) ... [2019-12-27 23:41:47,792 INFO L109 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2019-12-27 23:41:47,801 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 23:41:47,801 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 23:41:47,808 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 23:41:47,809 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 23:41:47,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,832 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,832 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,832 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,833 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,834 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,834 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,838 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,839 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,839 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:47,856 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 23:41:47,872 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:41:47,872 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:41:47,873 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:41:47,873 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:41:47,873 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:41:47,873 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:41:47,873 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:41:47,873 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:41:47,882 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 37 transitions [2019-12-27 23:41:47,902 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 177 states. [2019-12-27 23:41:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-12-27 23:41:47,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 23:41:47,913 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:41:47,913 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:41:47,914 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:41:47,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:41:47,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1604566599, now seen corresponding path program 1 times [2019-12-27 23:41:47,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:41:47,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030611346] [2019-12-27 23:41:47,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:41:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:41:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:41:48,074 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 23:41:48,075 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 23:41:48,075 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 23:41:48,076 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 23:41:48,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,084 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,084 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,084 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,085 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,086 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,086 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,087 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,087 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,087 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,088 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,088 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,088 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,090 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,090 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,091 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,099 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,100 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,100 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,100 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,100 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,108 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 23:41:48,108 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:41:48,108 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:41:48,108 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:41:48,108 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:41:48,109 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:41:48,109 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:41:48,109 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:41:48,109 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:41:48,112 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 55 transitions [2019-12-27 23:41:48,236 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2721 states. [2019-12-27 23:41:48,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states. [2019-12-27 23:41:48,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-27 23:41:48,241 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:41:48,242 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:41:48,242 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:41:48,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:41:48,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1079328093, now seen corresponding path program 1 times [2019-12-27 23:41:48,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:41:48,244 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360810322] [2019-12-27 23:41:48,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:41:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:41:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:41:48,291 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 23:41:48,291 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 23:41:48,291 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 23:41:48,292 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 23:41:48,302 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,302 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,302 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,302 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,303 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,303 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,303 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,304 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,304 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,305 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,305 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,306 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,306 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,306 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,306 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,307 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,307 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,307 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,308 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,309 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,309 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,310 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,310 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,310 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,311 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,311 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,311 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,312 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,312 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,313 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,313 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,314 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,314 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,314 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,314 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,317 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,317 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,318 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,318 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,318 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,322 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,323 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,323 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,323 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,324 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:48,330 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 23:41:48,331 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:41:48,331 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:41:48,331 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:41:48,331 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:41:48,332 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:41:48,332 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:41:48,332 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:41:48,332 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:41:48,335 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 73 transitions [2019-12-27 23:41:53,683 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 43425 states. [2019-12-27 23:41:53,683 INFO L276 IsEmpty]: Start isEmpty. Operand 43425 states. [2019-12-27 23:41:53,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 23:41:53,689 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:41:53,690 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:41:53,690 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:41:53,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:41:53,691 INFO L82 PathProgramCache]: Analyzing trace with hash -970158001, now seen corresponding path program 1 times [2019-12-27 23:41:53,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:41:53,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586980102] [2019-12-27 23:41:53,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:41:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:41:53,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 23:41:53,955 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586980102] [2019-12-27 23:41:53,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:41:53,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 23:41:53,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [252379162] [2019-12-27 23:41:53,963 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:41:53,970 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:41:53,997 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 23 states and 22 transitions. [2019-12-27 23:41:53,997 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:41:54,001 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:41:54,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 23:41:54,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:41:54,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 23:41:54,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 23:41:54,020 INFO L87 Difference]: Start difference. First operand 43425 states. Second operand 5 states. [2019-12-27 23:41:54,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:41:54,634 INFO L93 Difference]: Finished difference Result 25421 states and 90861 transitions. [2019-12-27 23:41:54,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 23:41:54,637 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-12-27 23:41:54,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:41:54,872 INFO L225 Difference]: With dead ends: 25421 [2019-12-27 23:41:54,872 INFO L226 Difference]: Without dead ends: 25421 [2019-12-27 23:41:54,874 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 23:41:55,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25421 states. [2019-12-27 23:41:56,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25421 to 16479. [2019-12-27 23:41:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16479 states. [2019-12-27 23:41:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16479 states to 16479 states and 60647 transitions. [2019-12-27 23:41:56,240 INFO L78 Accepts]: Start accepts. Automaton has 16479 states and 60647 transitions. Word has length 22 [2019-12-27 23:41:56,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:41:56,241 INFO L462 AbstractCegarLoop]: Abstraction has 16479 states and 60647 transitions. [2019-12-27 23:41:56,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 23:41:56,242 INFO L276 IsEmpty]: Start isEmpty. Operand 16479 states and 60647 transitions. [2019-12-27 23:41:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 23:41:56,251 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:41:56,251 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:41:56,251 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:41:56,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:41:56,252 INFO L82 PathProgramCache]: Analyzing trace with hash -969203728, now seen corresponding path program 1 times [2019-12-27 23:41:56,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:41:56,253 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121204164] [2019-12-27 23:41:56,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:41:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:41:56,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 23:41:56,383 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121204164] [2019-12-27 23:41:56,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:41:56,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:41:56,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [859272313] [2019-12-27 23:41:56,385 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:41:56,387 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:41:56,389 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 23 states and 22 transitions. [2019-12-27 23:41:56,390 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:41:56,391 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:41:56,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:41:56,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:41:56,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:41:56,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:41:56,397 INFO L87 Difference]: Start difference. First operand 16479 states and 60647 transitions. Second operand 3 states. [2019-12-27 23:41:56,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:41:56,565 INFO L93 Difference]: Finished difference Result 16772 states and 58753 transitions. [2019-12-27 23:41:56,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:41:56,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-27 23:41:56,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:41:56,824 INFO L225 Difference]: With dead ends: 16772 [2019-12-27 23:41:56,825 INFO L226 Difference]: Without dead ends: 16772 [2019-12-27 23:41:56,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:41:57,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16772 states. [2019-12-27 23:41:57,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16772 to 16007. [2019-12-27 23:41:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16007 states. [2019-12-27 23:41:57,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16007 states to 16007 states and 56326 transitions. [2019-12-27 23:41:57,487 INFO L78 Accepts]: Start accepts. Automaton has 16007 states and 56326 transitions. Word has length 22 [2019-12-27 23:41:57,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:41:57,488 INFO L462 AbstractCegarLoop]: Abstraction has 16007 states and 56326 transitions. [2019-12-27 23:41:57,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:41:57,488 INFO L276 IsEmpty]: Start isEmpty. Operand 16007 states and 56326 transitions. [2019-12-27 23:41:57,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-27 23:41:57,489 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:41:57,489 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:41:57,490 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:41:57,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:41:57,490 INFO L82 PathProgramCache]: Analyzing trace with hash 49483286, now seen corresponding path program 1 times [2019-12-27 23:41:57,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:41:57,491 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887652071] [2019-12-27 23:41:57,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:41:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:41:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:41:57,520 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 23:41:57,520 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 23:41:57,520 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 23:41:57,521 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 23:41:57,530 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,531 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,534 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,534 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,534 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,535 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,535 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,535 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,536 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,536 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,536 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,536 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,536 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,537 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,537 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,537 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,537 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,537 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,538 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,538 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,538 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,539 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,539 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,539 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,539 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,539 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,539 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,541 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,542 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,542 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,543 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,543 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,543 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,544 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,544 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,544 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,544 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,544 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,545 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,546 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,548 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,548 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,548 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,548 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,548 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,551 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,552 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,552 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,552 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,552 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,554 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,554 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,555 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,558 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,558 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,563 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,564 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,564 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,564 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,564 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:41:57,567 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 23:41:57,568 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:41:57,568 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:41:57,568 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:41:57,568 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:41:57,568 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:41:57,568 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:41:57,569 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:41:57,569 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:41:57,574 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 91 transitions Received shutdown request... [2019-12-27 23:46:20,229 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 23:46:20,232 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 23:46:20,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:46:20 BasicIcfg [2019-12-27 23:46:20,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 23:46:20,235 INFO L168 Benchmark]: Toolchain (without parser) took 273628.55 ms. Allocated memory was 144.2 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 101.2 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2019-12-27 23:46:20,236 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 23:46:20,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.39 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.8 MB in the beginning and 160.7 MB in the end (delta: -59.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-12-27 23:46:20,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.06 ms. Allocated memory is still 201.3 MB. Free memory was 160.7 MB in the beginning and 158.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 23:46:20,239 INFO L168 Benchmark]: Boogie Preprocessor took 26.31 ms. Allocated memory is still 201.3 MB. Free memory was 158.6 MB in the beginning and 157.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 23:46:20,240 INFO L168 Benchmark]: RCFGBuilder took 406.61 ms. Allocated memory is still 201.3 MB. Free memory was 157.3 MB in the beginning and 140.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-12-27 23:46:20,241 INFO L168 Benchmark]: TraceAbstraction took 272447.91 ms. Allocated memory was 201.3 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 139.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2019-12-27 23:46:20,245 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 694.39 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 100.8 MB in the beginning and 160.7 MB in the end (delta: -59.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.06 ms. Allocated memory is still 201.3 MB. Free memory was 160.7 MB in the beginning and 158.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.31 ms. Allocated memory is still 201.3 MB. Free memory was 158.6 MB in the beginning and 157.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 406.61 ms. Allocated memory is still 201.3 MB. Free memory was 157.3 MB in the beginning and 140.5 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 272447.91 ms. Allocated memory was 201.3 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 139.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 698]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 698). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 91 places, 91 transitions. Already constructed 330714 states. Currently 35703 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Result: TIMEOUT, OverallTime: 262.6s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown