/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-VariableLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 19:16:18,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 19:16:18,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 19:16:18,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 19:16:18,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 19:16:18,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 19:16:18,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 19:16:18,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 19:16:18,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 19:16:18,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 19:16:18,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 19:16:18,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 19:16:18,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 19:16:18,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 19:16:18,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 19:16:18,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 19:16:18,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 19:16:18,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 19:16:18,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 19:16:18,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 19:16:18,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 19:16:18,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 19:16:18,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 19:16:18,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 19:16:18,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 19:16:18,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 19:16:18,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 19:16:18,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 19:16:18,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 19:16:18,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 19:16:18,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 19:16:18,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 19:16:18,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 19:16:18,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 19:16:18,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 19:16:18,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 19:16:18,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 19:16:18,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 19:16:18,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 19:16:18,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 19:16:18,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 19:16:18,536 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-VariableLbe-MCR.epf [2019-12-27 19:16:18,552 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 19:16:18,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 19:16:18,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 19:16:18,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 19:16:18,555 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 19:16:18,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 19:16:18,555 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 19:16:18,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 19:16:18,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 19:16:18,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 19:16:18,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 19:16:18,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 19:16:18,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 19:16:18,557 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 19:16:18,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 19:16:18,557 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 19:16:18,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 19:16:18,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 19:16:18,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 19:16:18,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 19:16:18,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 19:16:18,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 19:16:18,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 19:16:18,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 19:16:18,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 19:16:18,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 19:16:18,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 19:16:18,560 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 19:16:18,560 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 19:16:18,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 19:16:18,562 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 19:16:18,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 19:16:18,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 19:16:18,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 19:16:18,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 19:16:18,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 19:16:18,863 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 19:16:18,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2019-12-27 19:16:18,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e1b80ca/7af9092c4da9422d877ddd2d088139c5/FLAG1d2b7778b [2019-12-27 19:16:19,527 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 19:16:19,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2019-12-27 19:16:19,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e1b80ca/7af9092c4da9422d877ddd2d088139c5/FLAG1d2b7778b [2019-12-27 19:16:19,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1e1b80ca/7af9092c4da9422d877ddd2d088139c5 [2019-12-27 19:16:19,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 19:16:19,762 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 19:16:19,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 19:16:19,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 19:16:19,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 19:16:19,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 07:16:19" (1/1) ... [2019-12-27 19:16:19,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94e0eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:19, skipping insertion in model container [2019-12-27 19:16:19,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 07:16:19" (1/1) ... [2019-12-27 19:16:19,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 19:16:19,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 19:16:20,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 19:16:20,343 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 19:16:20,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 19:16:20,511 INFO L208 MainTranslator]: Completed translation [2019-12-27 19:16:20,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:20 WrapperNode [2019-12-27 19:16:20,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 19:16:20,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 19:16:20,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 19:16:20,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 19:16:20,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:20" (1/1) ... [2019-12-27 19:16:20,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:20" (1/1) ... [2019-12-27 19:16:20,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 19:16:20,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 19:16:20,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 19:16:20,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 19:16:20,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:20" (1/1) ... [2019-12-27 19:16:20,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:20" (1/1) ... [2019-12-27 19:16:20,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:20" (1/1) ... [2019-12-27 19:16:20,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:20" (1/1) ... [2019-12-27 19:16:20,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:20" (1/1) ... [2019-12-27 19:16:20,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:20" (1/1) ... [2019-12-27 19:16:20,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:20" (1/1) ... [2019-12-27 19:16:20,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 19:16:20,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 19:16:20,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 19:16:20,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 19:16:20,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:20" (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 19:16:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 19:16:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-27 19:16:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-27 19:16:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-12-27 19:16:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-12-27 19:16:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2019-12-27 19:16:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2019-12-27 19:16:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 19:16:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 19:16:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 19:16:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 19:16:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 19:16:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 19:16:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 19:16:20,725 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 19:16:21,127 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 19:16:21,128 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-27 19:16:21,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 07:16:21 BoogieIcfgContainer [2019-12-27 19:16:21,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 19:16:21,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 19:16:21,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 19:16:21,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 19:16:21,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 07:16:19" (1/3) ... [2019-12-27 19:16:21,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c14e702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 07:16:21, skipping insertion in model container [2019-12-27 19:16:21,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:16:20" (2/3) ... [2019-12-27 19:16:21,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c14e702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 07:16:21, skipping insertion in model container [2019-12-27 19:16:21,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 07:16:21" (3/3) ... [2019-12-27 19:16:21,140 INFO L109 eAbstractionObserver]: Analyzing ICFG lazy01.i [2019-12-27 19:16:21,150 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 19:16:21,150 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 19:16:21,159 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 19:16:21,160 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 19:16:21,184 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,185 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,185 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,185 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,186 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,186 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,186 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,187 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,187 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,187 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,188 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,188 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,188 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,189 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,189 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,189 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,190 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,190 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,190 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,191 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,191 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,191 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,191 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,192 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,192 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,192 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,192 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,196 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,196 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,196 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,196 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,197 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,197 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,201 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,202 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,202 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,202 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,202 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,204 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,205 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,205 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,205 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,205 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:16:21,236 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 19:16:21,253 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 19:16:21,253 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 19:16:21,254 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 19:16:21,254 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 19:16:21,254 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 19:16:21,254 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 19:16:21,254 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 19:16:21,254 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 19:16:21,268 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 78 transitions [2019-12-27 19:16:21,270 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions [2019-12-27 19:16:21,331 INFO L132 PetriNetUnfolder]: 6/86 cut-off events. [2019-12-27 19:16:21,332 INFO L133 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2019-12-27 19:16:21,338 INFO L76 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 86 events. 6/86 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 129 event pairs. 0/84 useless extension candidates. Maximal degree in co-relation 52. Up to 6 conditions per place. [2019-12-27 19:16:21,344 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions [2019-12-27 19:16:21,372 INFO L132 PetriNetUnfolder]: 6/86 cut-off events. [2019-12-27 19:16:21,372 INFO L133 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2019-12-27 19:16:21,374 INFO L76 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 86 events. 6/86 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 129 event pairs. 0/84 useless extension candidates. Maximal degree in co-relation 52. Up to 6 conditions per place. [2019-12-27 19:16:21,377 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1116 [2019-12-27 19:16:21,379 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 19:16:22,835 WARN L192 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-12-27 19:16:22,952 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-12-27 19:16:22,965 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2560 [2019-12-27 19:16:22,965 INFO L214 etLargeBlockEncoding]: Total number of compositions: 44 [2019-12-27 19:16:22,969 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions [2019-12-27 19:16:23,022 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 562 states. [2019-12-27 19:16:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states. [2019-12-27 19:16:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 19:16:23,037 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:16:23,039 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:16:23,039 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:16:23,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:16:23,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1645296335, now seen corresponding path program 1 times [2019-12-27 19:16:23,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:16:23,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355143518] [2019-12-27 19:16:23,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:16:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:16:23,321 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 19:16:23,322 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355143518] [2019-12-27 19:16:23,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:16:23,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 19:16:23,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [686410660] [2019-12-27 19:16:23,325 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:16:23,330 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:16:23,355 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 9 states and 8 transitions. [2019-12-27 19:16:23,357 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:16:23,361 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:16:23,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:16:23,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:16:23,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:16:23,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:16:23,379 INFO L87 Difference]: Start difference. First operand 562 states. Second operand 3 states. [2019-12-27 19:16:23,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:16:23,459 INFO L93 Difference]: Finished difference Result 538 states and 1407 transitions. [2019-12-27 19:16:23,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:16:23,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 19:16:23,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:16:23,489 INFO L225 Difference]: With dead ends: 538 [2019-12-27 19:16:23,490 INFO L226 Difference]: Without dead ends: 250 [2019-12-27 19:16:23,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 19:16:23,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-12-27 19:16:23,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2019-12-27 19:16:23,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2019-12-27 19:16:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 622 transitions. [2019-12-27 19:16:23,563 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 622 transitions. Word has length 8 [2019-12-27 19:16:23,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:16:23,564 INFO L462 AbstractCegarLoop]: Abstraction has 250 states and 622 transitions. [2019-12-27 19:16:23,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:16:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 622 transitions. [2019-12-27 19:16:23,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 19:16:23,566 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:16:23,567 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:16:23,567 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:16:23,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:16:23,567 INFO L82 PathProgramCache]: Analyzing trace with hash 581811827, now seen corresponding path program 1 times [2019-12-27 19:16:23,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:16:23,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436269185] [2019-12-27 19:16:23,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:16:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:16:23,655 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 19:16:23,655 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436269185] [2019-12-27 19:16:23,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:16:23,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 19:16:23,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2040177069] [2019-12-27 19:16:23,656 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:16:23,657 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:16:23,661 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 19:16:23,661 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:16:23,661 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:16:23,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:16:23,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:16:23,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:16:23,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:16:23,665 INFO L87 Difference]: Start difference. First operand 250 states and 622 transitions. Second operand 3 states. [2019-12-27 19:16:23,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:16:23,693 INFO L93 Difference]: Finished difference Result 142 states and 253 transitions. [2019-12-27 19:16:23,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:16:23,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 19:16:23,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:16:23,695 INFO L225 Difference]: With dead ends: 142 [2019-12-27 19:16:23,696 INFO L226 Difference]: Without dead ends: 140 [2019-12-27 19:16:23,696 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 19:16:23,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-12-27 19:16:23,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-12-27 19:16:23,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-27 19:16:23,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 250 transitions. [2019-12-27 19:16:23,709 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 250 transitions. Word has length 10 [2019-12-27 19:16:23,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:16:23,709 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 250 transitions. [2019-12-27 19:16:23,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:16:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2019-12-27 19:16:23,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 19:16:23,710 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:16:23,710 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:16:23,711 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:16:23,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:16:23,711 INFO L82 PathProgramCache]: Analyzing trace with hash 861729767, now seen corresponding path program 1 times [2019-12-27 19:16:23,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:16:23,712 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564976991] [2019-12-27 19:16:23,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:16:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:16:23,795 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 19:16:23,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564976991] [2019-12-27 19:16:23,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:16:23,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 19:16:23,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1391891313] [2019-12-27 19:16:23,796 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:16:23,797 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:16:23,800 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 18 states and 23 transitions. [2019-12-27 19:16:23,800 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:16:23,805 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 19:16:23,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 19:16:23,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:16:23,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 19:16:23,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 19:16:23,806 INFO L87 Difference]: Start difference. First operand 140 states and 250 transitions. Second operand 4 states. [2019-12-27 19:16:23,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:16:23,825 INFO L93 Difference]: Finished difference Result 135 states and 241 transitions. [2019-12-27 19:16:23,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 19:16:23,825 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 19:16:23,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:16:23,827 INFO L225 Difference]: With dead ends: 135 [2019-12-27 19:16:23,827 INFO L226 Difference]: Without dead ends: 130 [2019-12-27 19:16:23,827 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 19:16:23,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-12-27 19:16:23,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-12-27 19:16:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-12-27 19:16:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 232 transitions. [2019-12-27 19:16:23,838 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 232 transitions. Word has length 11 [2019-12-27 19:16:23,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:16:23,838 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 232 transitions. [2019-12-27 19:16:23,838 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 19:16:23,838 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 232 transitions. [2019-12-27 19:16:23,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 19:16:23,842 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:16:23,842 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:16:23,842 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:16:23,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:16:23,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1322208688, now seen corresponding path program 1 times [2019-12-27 19:16:23,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:16:23,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470733414] [2019-12-27 19:16:23,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:16:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:16:23,948 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 19:16:23,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470733414] [2019-12-27 19:16:23,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:16:23,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 19:16:23,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [161347588] [2019-12-27 19:16:23,951 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:16:23,953 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:16:23,956 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 29 states and 44 transitions. [2019-12-27 19:16:23,956 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:16:23,963 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2019-12-27 19:16:23,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 19:16:23,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:16:23,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 19:16:23,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 19:16:23,965 INFO L87 Difference]: Start difference. First operand 130 states and 232 transitions. Second operand 5 states. [2019-12-27 19:16:24,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:16:24,005 INFO L93 Difference]: Finished difference Result 125 states and 223 transitions. [2019-12-27 19:16:24,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 19:16:24,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-12-27 19:16:24,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:16:24,007 INFO L225 Difference]: With dead ends: 125 [2019-12-27 19:16:24,007 INFO L226 Difference]: Without dead ends: 120 [2019-12-27 19:16:24,010 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 19:16:24,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-27 19:16:24,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-27 19:16:24,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-27 19:16:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 214 transitions. [2019-12-27 19:16:24,024 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 214 transitions. Word has length 12 [2019-12-27 19:16:24,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:16:24,025 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 214 transitions. [2019-12-27 19:16:24,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 19:16:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 214 transitions. [2019-12-27 19:16:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-27 19:16:24,026 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:16:24,027 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:16:24,027 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:16:24,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:16:24,027 INFO L82 PathProgramCache]: Analyzing trace with hash 779348326, now seen corresponding path program 1 times [2019-12-27 19:16:24,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:16:24,029 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903803755] [2019-12-27 19:16:24,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:16:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 19:16:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 19:16:24,119 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 19:16:24,119 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 19:16:24,123 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [229] [229] ULTIMATE.startENTRY-->L713: Formula: (let ((.cse2 (store |v_#valid_58| 0 0))) (let ((.cse3 (store .cse2 |v_~#mutex~0.base_33| 1))) (let ((.cse4 (store .cse3 |v_ULTIMATE.start_main_~#t1~0.base_22| 1))) (let ((.cse1 (store .cse4 |v_ULTIMATE.start_main_~#t2~0.base_20| 1)) (.cse0 (select |v_#memory_int_32| |v_~#mutex~0.base_33|))) (and (= |v_#length_29| (store (store (store (store |v_#length_31| |v_~#mutex~0.base_33| 24) |v_ULTIMATE.start_main_~#t1~0.base_22| 4) |v_ULTIMATE.start_main_~#t2~0.base_20| 4) |v_ULTIMATE.start_main_~#t3~0.base_20| 4)) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2~0.base_20|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t3~0.base_20|) (= |v_ULTIMATE.start_main_~#t1~0.offset_18| 0) (= |v_#pthreadsMutex_40| (store |v_#pthreadsMutex_41| |v_~#mutex~0.base_33| (store (select |v_#pthreadsMutex_41| |v_~#mutex~0.base_33|) |v_~#mutex~0.offset_33| 0))) (= v_~data~0_18 0) (= (select .cse0 (+ |v_~#mutex~0.offset_33| 4)) 0) (= (store .cse1 |v_ULTIMATE.start_main_~#t3~0.base_20| 1) |v_#valid_56|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1~0.base_22|) (= 0 (select .cse0 (+ |v_~#mutex~0.offset_33| 16))) (= |v_#memory_int_31| (store |v_#memory_int_32| |v_ULTIMATE.start_main_~#t1~0.base_22| (store (select |v_#memory_int_32| |v_ULTIMATE.start_main_~#t1~0.base_22|) |v_ULTIMATE.start_main_~#t1~0.offset_18| 0))) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0.base_20|) 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 (select .cse2 |v_~#mutex~0.base_33|)) (= (select .cse0 (+ |v_~#mutex~0.offset_33| 8)) 0) (= |v_ULTIMATE.start_main_~#t3~0.offset_17| 0) (= (select .cse0 (+ |v_~#mutex~0.offset_33| 12)) 0) (< |v_#StackHeapBarrier_15| |v_~#mutex~0.base_33|) (= |v_#NULL.offset_5| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t1~0.base_22|) 0) (= |v_ULTIMATE.start_main_~#t2~0.offset_16| 0) (= 0 (select .cse4 |v_ULTIMATE.start_main_~#t2~0.base_20|)) (= 0 |v_~#mutex~0.offset_33|) (= 0 |v_#NULL.base_5|) (= (select .cse0 |v_~#mutex~0.offset_33|) 0)))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_41|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_32|, #length=|v_#length_31|} OutVars{ULTIMATE.start_main_#t~mem10=|v_ULTIMATE.start_main_#t~mem10_13|, #pthreadsMutex=|v_#pthreadsMutex_40|, ULTIMATE.start_main_#t~mem11=|v_ULTIMATE.start_main_#t~mem11_13|, ~#mutex~0.base=|v_~#mutex~0.base_33|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_16|, ~#mutex~0.offset=|v_~#mutex~0.offset_33|, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_7|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~#t3~0.base=|v_ULTIMATE.start_main_~#t3~0.base_20|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_7|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_7|, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_22|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_14|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_31|, ULTIMATE.start_main_~#t3~0.offset=|v_ULTIMATE.start_main_~#t3~0.offset_17|, #length=|v_#length_29|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_18|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_20|, ~data~0=v_~data~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem10, #pthreadsMutex, ULTIMATE.start_main_#t~mem11, ~#mutex~0.base, ULTIMATE.start_main_~#t2~0.offset, ~#mutex~0.offset, ULTIMATE.start_main_#t~nondet8, #NULL.offset, ULTIMATE.start_main_~#t3~0.base, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_#t~nondet7, #NULL.base, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t3~0.offset, #length, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, ~data~0] because there is no mapped edge [2019-12-27 19:16:24,124 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [195] [195] L713-1-->L714-1: Formula: (= (store |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_9| (store (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_9|) |v_ULTIMATE.start_main_~#t2~0.offset_8| 1)) |v_#memory_int_18|) InVars {#memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_8|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_9|} OutVars{#memory_int=|v_#memory_int_18|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_8|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_3|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_9|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~nondet6] because there is no mapped edge [2019-12-27 19:16:24,124 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [194] [194] L714-2-->L715-1: Formula: (= (store |v_#memory_int_17| |v_ULTIMATE.start_main_~#t3~0.base_8| (store (select |v_#memory_int_17| |v_ULTIMATE.start_main_~#t3~0.base_8|) |v_ULTIMATE.start_main_~#t3~0.offset_8| 2)) |v_#memory_int_16|) InVars {#memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t3~0.base=|v_ULTIMATE.start_main_~#t3~0.base_8|, ULTIMATE.start_main_~#t3~0.offset=|v_ULTIMATE.start_main_~#t3~0.offset_8|} OutVars{#memory_int=|v_#memory_int_16|, ULTIMATE.start_main_~#t3~0.base=|v_ULTIMATE.start_main_~#t3~0.base_8|, ULTIMATE.start_main_~#t3~0.offset=|v_ULTIMATE.start_main_~#t3~0.offset_8|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_3|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~nondet7] because there is no mapped edge [2019-12-27 19:16:24,124 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [222] [222] thread1ENTRY-->L688: Formula: (let ((.cse0 (select |v_#pthreadsMutex_35| |v_~#mutex~0.base_28|))) (and (= |v_thread1Thread1of1ForFork0_#in~arg.offset_4| v_thread1Thread1of1ForFork0_~arg.offset_4) (= |v_thread1Thread1of1ForFork0_#in~arg.base_4| v_thread1Thread1of1ForFork0_~arg.base_4) (= 0 (select .cse0 |v_~#mutex~0.offset_28|)) (= (store |v_#pthreadsMutex_35| |v_~#mutex~0.base_28| (store .cse0 |v_~#mutex~0.offset_28| 1)) |v_#pthreadsMutex_34|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_35|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_4|, ~#mutex~0.base=|v_~#mutex~0.base_28|, ~#mutex~0.offset=|v_~#mutex~0.offset_28|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_34|, thread1Thread1of1ForFork0_#t~nondet2=|v_thread1Thread1of1ForFork0_#t~nondet2_7|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_4|, ~#mutex~0.base=|v_~#mutex~0.base_28|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_4, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_4, ~#mutex~0.offset=|v_~#mutex~0.offset_28|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_4|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#t~nondet2, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base] because there is no mapped edge [2019-12-27 19:16:24,125 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [205] [205] L688-1-->L689: Formula: (= (+ |v_thread1Thread1of1ForFork0_#t~post3_7| 1) v_~data~0_13) InVars {thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_7|} OutVars{thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_6|, ~data~0=v_~data~0_13} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post3, ~data~0] because there is no mapped edge [2019-12-27 19:16:24,125 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [216] [216] L689-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork0_#res.base_5| 0) (= |v_thread1Thread1of1ForFork0_#res.offset_5| 0) (= (store |v_#pthreadsMutex_33| |v_~#mutex~0.base_25| (store (select |v_#pthreadsMutex_33| |v_~#mutex~0.base_25|) |v_~#mutex~0.offset_25| 0)) |v_#pthreadsMutex_32|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_33|, ~#mutex~0.base=|v_~#mutex~0.base_25|, ~#mutex~0.offset=|v_~#mutex~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_32|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_5|, ~#mutex~0.base=|v_~#mutex~0.base_25|, ~#mutex~0.offset=|v_~#mutex~0.offset_25|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_5|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#res.offset] because there is no mapped edge [2019-12-27 19:16:24,125 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [207] [207] thread2ENTRY-->L694-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_24| |v_~#mutex~0.base_20|))) (and (= |v_thread2Thread1of1ForFork1_#in~arg.base_4| v_thread2Thread1of1ForFork1_~arg.base_4) (= 0 (select .cse0 |v_~#mutex~0.offset_20|)) (= (store |v_#pthreadsMutex_24| |v_~#mutex~0.base_20| (store .cse0 |v_~#mutex~0.offset_20| 1)) |v_#pthreadsMutex_23|) (= |v_thread2Thread1of1ForFork1_#t~nondet4_6| 0) (= v_thread2Thread1of1ForFork1_~arg.offset_4 |v_thread2Thread1of1ForFork1_#in~arg.offset_4|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_24|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_4|, ~#mutex~0.base=|v_~#mutex~0.base_20|, ~#mutex~0.offset=|v_~#mutex~0.offset_20|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_4|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_23|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_4|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_4, ~#mutex~0.base=|v_~#mutex~0.base_20|, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_4, ~#mutex~0.offset=|v_~#mutex~0.offset_20|, thread2Thread1of1ForFork1_#t~nondet4=|v_thread2Thread1of1ForFork1_#t~nondet4_6|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_4|} AuxVars[] AssignedVars[#pthreadsMutex, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_~arg.offset, thread2Thread1of1ForFork1_#t~nondet4] because there is no mapped edge [2019-12-27 19:16:24,125 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [203] [203] L694-1-->L696: Formula: (= v_~data~0_11 (+ v_~data~0_12 2)) InVars {~data~0=v_~data~0_12} OutVars{thread2Thread1of1ForFork1_#t~nondet4=|v_thread2Thread1of1ForFork1_#t~nondet4_5|, ~data~0=v_~data~0_11} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~nondet4, ~data~0] because there is no mapped edge [2019-12-27 19:16:24,126 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [214] [214] L696-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork1_#res.base_5| 0) (= |v_thread2Thread1of1ForFork1_#res.offset_5| 0) (= |v_#pthreadsMutex_30| (store |v_#pthreadsMutex_31| |v_~#mutex~0.base_24| (store (select |v_#pthreadsMutex_31| |v_~#mutex~0.base_24|) |v_~#mutex~0.offset_24| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_31|, ~#mutex~0.base=|v_~#mutex~0.base_24|, ~#mutex~0.offset=|v_~#mutex~0.offset_24|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_5|, #pthreadsMutex=|v_#pthreadsMutex_30|, ~#mutex~0.base=|v_~#mutex~0.base_24|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_5|, ~#mutex~0.offset=|v_~#mutex~0.offset_24|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, #pthreadsMutex, thread2Thread1of1ForFork1_#res.base] because there is no mapped edge [2019-12-27 19:16:24,126 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [201] [201] thread3ENTRY-->L701-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_20| |v_~#mutex~0.base_18|))) (and (= |v_thread3Thread1of1ForFork2_#in~arg.offset_4| v_thread3Thread1of1ForFork2_~arg.offset_4) (= 0 (select .cse0 |v_~#mutex~0.offset_18|)) (= |v_#pthreadsMutex_19| (store |v_#pthreadsMutex_20| |v_~#mutex~0.base_18| (store .cse0 |v_~#mutex~0.offset_18| 1))) (= |v_thread3Thread1of1ForFork2_#in~arg.base_4| v_thread3Thread1of1ForFork2_~arg.base_4) (= 0 |v_thread3Thread1of1ForFork2_#t~nondet5_7|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_20|, ~#mutex~0.base=|v_~#mutex~0.base_18|, thread3Thread1of1ForFork2_#in~arg.offset=|v_thread3Thread1of1ForFork2_#in~arg.offset_4|, ~#mutex~0.offset=|v_~#mutex~0.offset_18|, thread3Thread1of1ForFork2_#in~arg.base=|v_thread3Thread1of1ForFork2_#in~arg.base_4|} OutVars{thread3Thread1of1ForFork2_#t~nondet5=|v_thread3Thread1of1ForFork2_#t~nondet5_7|, #pthreadsMutex=|v_#pthreadsMutex_19|, ~#mutex~0.base=|v_~#mutex~0.base_18|, thread3Thread1of1ForFork2_#in~arg.offset=|v_thread3Thread1of1ForFork2_#in~arg.offset_4|, ~#mutex~0.offset=|v_~#mutex~0.offset_18|, thread3Thread1of1ForFork2_~arg.offset=v_thread3Thread1of1ForFork2_~arg.offset_4, thread3Thread1of1ForFork2_#in~arg.base=|v_thread3Thread1of1ForFork2_#in~arg.base_4|, thread3Thread1of1ForFork2_~arg.base=v_thread3Thread1of1ForFork2_~arg.base_4} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~nondet5, #pthreadsMutex, thread3Thread1of1ForFork2_~arg.offset, thread3Thread1of1ForFork2_~arg.base] because there is no mapped edge [2019-12-27 19:16:24,126 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [215] [215] L701-1-->thread3Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (<= 3 v_~data~0_15) InVars {~data~0=v_~data~0_15} OutVars{thread3Thread1of1ForFork2_#t~nondet5=|v_thread3Thread1of1ForFork2_#t~nondet5_8|, ~data~0=v_~data~0_15} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~nondet5] because there is no mapped edge [2019-12-27 19:16:24,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 07:16:24 BasicIcfg [2019-12-27 19:16:24,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 19:16:24,145 INFO L168 Benchmark]: Toolchain (without parser) took 4383.57 ms. Allocated memory was 138.4 MB in the beginning and 247.5 MB in the end (delta: 109.1 MB). Free memory was 100.6 MB in the beginning and 120.7 MB in the end (delta: -20.2 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. [2019-12-27 19:16:24,146 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 19:16:24,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.87 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.6 MB in the beginning and 161.3 MB in the end (delta: -60.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-12-27 19:16:24,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.47 ms. Allocated memory is still 202.4 MB. Free memory was 161.3 MB in the beginning and 159.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 19:16:24,149 INFO L168 Benchmark]: Boogie Preprocessor took 57.51 ms. Allocated memory is still 202.4 MB. Free memory was 159.2 MB in the beginning and 157.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-27 19:16:24,149 INFO L168 Benchmark]: RCFGBuilder took 484.29 ms. Allocated memory is still 202.4 MB. Free memory was 157.3 MB in the beginning and 134.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-12-27 19:16:24,150 INFO L168 Benchmark]: TraceAbstraction took 3011.12 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 133.9 MB in the beginning and 120.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 58.2 MB. Max. memory is 7.1 GB. [2019-12-27 19:16:24,154 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 748.87 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 100.6 MB in the beginning and 161.3 MB in the end (delta: -60.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 74.47 ms. Allocated memory is still 202.4 MB. Free memory was 161.3 MB in the beginning and 159.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.51 ms. Allocated memory is still 202.4 MB. Free memory was 159.2 MB in the beginning and 157.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 484.29 ms. Allocated memory is still 202.4 MB. Free memory was 157.3 MB in the beginning and 134.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3011.12 ms. Allocated memory was 202.4 MB in the beginning and 247.5 MB in the end (delta: 45.1 MB). Free memory was 133.9 MB in the beginning and 120.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 58.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 81 ProgramPointsBefore, 40 ProgramPointsAfterwards, 78 TransitionsBefore, 38 TransitionsAfterwards, 1116 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 464 VarBasedMoverChecksPositive, 22 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2560 CheckedPairsTotal, 44 TotalNumberOfCompositions - CounterExampleResult [Line: 703]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L713] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data=0, mutex={5:0}] [L714] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, data=0, mutex={5:0}] [L715] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data=0, mutex={5:0}] [L688] 1 data++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=0, data++=0, mutex={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 72 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 116 SDtfs, 50 SDslu, 135 SDs, 0 SdLazy, 38 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=562occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...