/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.epf -i ../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 14:54:18,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 14:54:18,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 14:54:18,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 14:54:18,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 14:54:18,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 14:54:18,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 14:54:18,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 14:54:18,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 14:54:18,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 14:54:18,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 14:54:18,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 14:54:18,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 14:54:18,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 14:54:18,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 14:54:18,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 14:54:18,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 14:54:18,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 14:54:18,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 14:54:18,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 14:54:18,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 14:54:18,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 14:54:18,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 14:54:18,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 14:54:18,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 14:54:18,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 14:54:18,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 14:54:18,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 14:54:18,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 14:54:18,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 14:54:18,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 14:54:18,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 14:54:18,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 14:54:18,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 14:54:18,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 14:54:18,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 14:54:18,772 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.epf [2019-12-27 14:54:18,786 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 14:54:18,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 14:54:18,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 14:54:18,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 14:54:18,788 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 14:54:18,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 14:54:18,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 14:54:18,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 14:54:18,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 14:54:18,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 14:54:18,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 14:54:18,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 14:54:18,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 14:54:18,790 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 14:54:18,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 14:54:18,790 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 14:54:18,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 14:54:18,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 14:54:18,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 14:54:18,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 14:54:18,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 14:54:18,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 14:54:18,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 14:54:18,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 14:54:18,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 14:54:18,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 14:54:18,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 14:54:18,792 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 14:54:18,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 14:54:18,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 14:54:19,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 14:54:19,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 14:54:19,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 14:54:19,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 14:54:19,073 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 14:54:19,073 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2019-12-27 14:54:19,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/accb40b98/53e95d3ea91348af95aface27e2cd798/FLAG011907006 [2019-12-27 14:54:19,683 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 14:54:19,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar_spurious_wakeup.i [2019-12-27 14:54:19,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/accb40b98/53e95d3ea91348af95aface27e2cd798/FLAG011907006 [2019-12-27 14:54:19,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/accb40b98/53e95d3ea91348af95aface27e2cd798 [2019-12-27 14:54:19,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 14:54:19,989 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 14:54:19,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 14:54:19,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 14:54:19,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 14:54:19,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:54:19" (1/1) ... [2019-12-27 14:54:20,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@397eda04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:19, skipping insertion in model container [2019-12-27 14:54:20,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 02:54:19" (1/1) ... [2019-12-27 14:54:20,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 14:54:20,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 14:54:20,206 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-12-27 14:54:20,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:54:20,526 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 14:54:20,553 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-12-27 14:54:20,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 14:54:20,673 INFO L208 MainTranslator]: Completed translation [2019-12-27 14:54:20,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:20 WrapperNode [2019-12-27 14:54:20,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 14:54:20,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 14:54:20,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 14:54:20,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 14:54:20,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:20" (1/1) ... [2019-12-27 14:54:20,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:20" (1/1) ... [2019-12-27 14:54:20,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 14:54:20,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 14:54:20,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 14:54:20,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 14:54:20,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:20" (1/1) ... [2019-12-27 14:54:20,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:20" (1/1) ... [2019-12-27 14:54:20,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:20" (1/1) ... [2019-12-27 14:54:20,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:20" (1/1) ... [2019-12-27 14:54:20,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:20" (1/1) ... [2019-12-27 14:54:20,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:20" (1/1) ... [2019-12-27 14:54:20,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:20" (1/1) ... [2019-12-27 14:54:20,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 14:54:20,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 14:54:20,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 14:54:20,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 14:54:20,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:20" (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 14:54:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 14:54:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 14:54:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 14:54:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 14:54:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 14:54:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 14:54:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2019-12-27 14:54:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2019-12-27 14:54:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 14:54:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 14:54:20,833 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 14:54:21,208 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 14:54:21,208 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-27 14:54:21,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:54:21 BoogieIcfgContainer [2019-12-27 14:54:21,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 14:54:21,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 14:54:21,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 14:54:21,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 14:54:21,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 02:54:19" (1/3) ... [2019-12-27 14:54:21,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d342010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:54:21, skipping insertion in model container [2019-12-27 14:54:21,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 02:54:20" (2/3) ... [2019-12-27 14:54:21,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d342010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 02:54:21, skipping insertion in model container [2019-12-27 14:54:21,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 02:54:21" (3/3) ... [2019-12-27 14:54:21,217 INFO L109 eAbstractionObserver]: Analyzing ICFG condvar_spurious_wakeup.i [2019-12-27 14:54:21,227 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 14:54:21,227 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 14:54:21,233 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 14:54:21,234 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 14:54:21,257 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,257 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,257 WARN L315 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,258 WARN L315 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,258 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,258 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,258 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,259 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,259 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,260 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,263 WARN L315 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,264 WARN L315 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,264 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,264 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,265 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,265 WARN L315 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 14:54:21,288 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 14:54:21,309 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 14:54:21,309 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 14:54:21,309 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 14:54:21,310 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 14:54:21,310 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 14:54:21,310 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 14:54:21,310 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 14:54:21,311 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 14:54:21,322 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56 places, 55 transitions [2019-12-27 14:54:21,340 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 148 states. [2019-12-27 14:54:21,343 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2019-12-27 14:54:21,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-27 14:54:21,351 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 14:54:21,352 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 14:54:21,352 INFO L410 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 14:54:21,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 14:54:21,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1542213810, now seen corresponding path program 1 times [2019-12-27 14:54:21,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 14:54:21,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479342843] [2019-12-27 14:54:21,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 14:54:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 14:54:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 14:54:21,645 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 14:54:21,646 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 14:54:21,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 02:54:21 BasicIcfg [2019-12-27 14:54:21,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 14:54:21,683 INFO L168 Benchmark]: Toolchain (without parser) took 1693.42 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.4 MB in the beginning and 115.3 MB in the end (delta: -13.9 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2019-12-27 14:54:21,685 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 14:54:21,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.41 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.2 MB in the beginning and 161.6 MB in the end (delta: -60.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-12-27 14:54:21,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.47 ms. Allocated memory is still 202.4 MB. Free memory was 161.6 MB in the beginning and 159.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 14:54:21,688 INFO L168 Benchmark]: Boogie Preprocessor took 30.57 ms. Allocated memory is still 202.4 MB. Free memory was 159.5 MB in the beginning and 157.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 14:54:21,688 INFO L168 Benchmark]: RCFGBuilder took 442.72 ms. Allocated memory is still 202.4 MB. Free memory was 157.5 MB in the beginning and 137.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-12-27 14:54:21,689 INFO L168 Benchmark]: TraceAbstraction took 470.05 ms. Allocated memory is still 202.4 MB. Free memory was 136.6 MB in the beginning and 115.3 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-12-27 14:54:21,694 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.41 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.2 MB in the beginning and 161.6 MB in the end (delta: -60.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.47 ms. Allocated memory is still 202.4 MB. Free memory was 161.6 MB in the beginning and 159.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.57 ms. Allocated memory is still 202.4 MB. Free memory was 159.5 MB in the beginning and 157.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 442.72 ms. Allocated memory is still 202.4 MB. Free memory was 157.5 MB in the beginning and 137.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 470.05 ms. Allocated memory is still 202.4 MB. Free memory was 136.6 MB in the beginning and 115.3 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 693]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L686] 0 pthread_mutex_t lock; VAL [lock={3:0}] [L687] 0 pthread_cond_t cond; VAL [cond={5:0}, lock={3:0}] [L688] 0 int x; VAL [cond={5:0}, lock={3:0}, x=0] [L698] 0 pthread_t t; VAL [cond={5:0}, lock={3:0}, x=0] [L701] FCALL, FORK 0 pthread_create( &t, ((void *)0), thread, ((void *)0) ) VAL [arg={0:0}, cond={5:0}, lock={3:0}, x=0] [L693] 1 !(x == 42) ? __VERIFIER_error() : (void)0 VAL [arg={0:0}, arg={0:0}, cond={5:0}, lock={3:0}, x=0] [L693] 1 __VERIFIER_error() VAL [arg={0:0}, arg={0:0}, cond={5:0}, lock={3:0}, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...