/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:06:20,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 23:06:20,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 23:06:20,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 23:06:20,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 23:06:20,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 23:06:20,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 23:06:20,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 23:06:20,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 23:06:20,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 23:06:20,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 23:06:20,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 23:06:20,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 23:06:20,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 23:06:20,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 23:06:20,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 23:06:20,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 23:06:20,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 23:06:20,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 23:06:20,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 23:06:20,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 23:06:20,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 23:06:20,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 23:06:20,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 23:06:20,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 23:06:20,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 23:06:20,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 23:06:20,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 23:06:20,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 23:06:20,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 23:06:20,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 23:06:20,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 23:06:20,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 23:06:20,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 23:06:20,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 23:06:20,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 23:06:20,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 23:06:20,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 23:06:20,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:06:20,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:06:20,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:06:20,708 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-PN-NoLbe.epf [2021-10-16 23:06:20,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:06:20,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:06:20,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:06:20,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:06:20,733 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:06:20,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:06:20,733 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:06:20,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:06:20,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:06:20,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:06:20,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:06:20,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:06:20,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:06:20,734 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:06:20,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:06:20,734 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:06:20,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:06:20,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:06:20,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:06:20,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:06:20,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:06:20,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:06:20,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:06:20,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:06:20,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:06:20,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:06:20,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:06:20,736 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:06:20,736 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:06:20,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:06:20,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:06:21,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:06:21,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:06:21,019 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:06:21,020 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:06:21,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i [2021-10-16 23:06:21,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c390640d8/6049aed82f744601bd72295c4a01963a/FLAG22cf39dd8 [2021-10-16 23:06:21,511 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:06:21,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_14-funarg_rc.i [2021-10-16 23:06:21,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c390640d8/6049aed82f744601bd72295c4a01963a/FLAG22cf39dd8 [2021-10-16 23:06:21,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c390640d8/6049aed82f744601bd72295c4a01963a [2021-10-16 23:06:21,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:06:21,929 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:06:21,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:06:21,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:06:21,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:06:21,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:06:21" (1/1) ... [2021-10-16 23:06:21,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba6c6f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:21, skipping insertion in model container [2021-10-16 23:06:21,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:06:21" (1/1) ... [2021-10-16 23:06:21,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:06:21,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:06:22,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:06:22,328 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:06:22,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:06:22,418 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:06:22,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:22 WrapperNode [2021-10-16 23:06:22,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:06:22,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:06:22,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:06:22,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:06:22,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:22" (1/1) ... [2021-10-16 23:06:22,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:22" (1/1) ... [2021-10-16 23:06:22,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:06:22,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:06:22,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:06:22,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:06:22,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:22" (1/1) ... [2021-10-16 23:06:22,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:22" (1/1) ... [2021-10-16 23:06:22,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:22" (1/1) ... [2021-10-16 23:06:22,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:22" (1/1) ... [2021-10-16 23:06:22,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:22" (1/1) ... [2021-10-16 23:06:22,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:22" (1/1) ... [2021-10-16 23:06:22,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:22" (1/1) ... [2021-10-16 23:06:22,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:06:22,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:06:22,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:06:22,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:06:22,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:22" (1/1) ... [2021-10-16 23:06:22,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:06:22,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:06:22,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 23:06:22,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 23:06:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:06:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:06:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 23:06:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:06:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 23:06:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 23:06:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 23:06:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:06:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:06:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:06:22,563 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 23:06:22,892 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:06:22,892 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-16 23:06:22,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:06:22 BoogieIcfgContainer [2021-10-16 23:06:22,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:06:22,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:06:22,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:06:22,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:06:22,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:06:21" (1/3) ... [2021-10-16 23:06:22,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7042d025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:06:22, skipping insertion in model container [2021-10-16 23:06:22,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:06:22" (2/3) ... [2021-10-16 23:06:22,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7042d025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:06:22, skipping insertion in model container [2021-10-16 23:06:22,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:06:22" (3/3) ... [2021-10-16 23:06:22,906 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_14-funarg_rc.i [2021-10-16 23:06:22,909 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:06:22,910 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 23:06:22,910 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:06:22,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,938 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,938 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,947 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:06:22,957 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-16 23:06:22,994 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:06:23,001 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 23:06:23,001 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 23:06:23,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 83 transitions, 174 flow [2021-10-16 23:06:23,045 INFO L129 PetriNetUnfolder]: 0/82 cut-off events. [2021-10-16 23:06:23,046 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-16 23:06:23,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 82 events. 0/82 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 31 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-10-16 23:06:23,047 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 83 transitions, 174 flow [2021-10-16 23:06:23,050 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 68 transitions, 139 flow [2021-10-16 23:06:23,060 INFO L129 PetriNetUnfolder]: 0/46 cut-off events. [2021-10-16 23:06:23,060 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:06:23,060 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:06:23,060 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1] [2021-10-16 23:06:23,061 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 23:06:23,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:06:23,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1791629064, now seen corresponding path program 1 times [2021-10-16 23:06:23,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:06:23,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030784187] [2021-10-16 23:06:23,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:06:23,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:06:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:06:23,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:06:23,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:06:23,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030784187] [2021-10-16 23:06:23,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030784187] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:06:23,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:06:23,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:06:23,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589288558] [2021-10-16 23:06:23,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:06:23,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:06:23,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:06:23,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:06:23,321 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 83 [2021-10-16 23:06:23,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 68 transitions, 139 flow. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:23,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:06:23,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 83 [2021-10-16 23:06:23,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:06:23,373 INFO L129 PetriNetUnfolder]: 6/106 cut-off events. [2021-10-16 23:06:23,374 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-16 23:06:23,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 106 events. 6/106 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 168 event pairs, 4 based on Foata normal form. 3/106 useless extension candidates. Maximal degree in co-relation 97. Up to 20 conditions per place. [2021-10-16 23:06:23,382 INFO L132 encePairwiseOnDemand]: 79/83 looper letters, 6 selfloop transitions, 3 changer transitions 0/70 dead transitions. [2021-10-16 23:06:23,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 70 transitions, 161 flow [2021-10-16 23:06:23,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:06:23,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:06:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2021-10-16 23:06:23,394 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9317269076305221 [2021-10-16 23:06:23,395 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 232 transitions. [2021-10-16 23:06:23,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 232 transitions. [2021-10-16 23:06:23,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:06:23,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 232 transitions. [2021-10-16 23:06:23,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:23,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:23,406 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:23,407 INFO L186 Difference]: Start difference. First operand has 72 places, 68 transitions, 139 flow. Second operand 3 states and 232 transitions. [2021-10-16 23:06:23,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 70 transitions, 161 flow [2021-10-16 23:06:23,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 70 transitions, 160 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-16 23:06:23,412 INFO L242 Difference]: Finished difference. Result has 74 places, 70 transitions, 157 flow [2021-10-16 23:06:23,414 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=157, PETRI_PLACES=74, PETRI_TRANSITIONS=70} [2021-10-16 23:06:23,415 INFO L334 CegarLoopForPetriNet]: 72 programPoint places, 2 predicate places. [2021-10-16 23:06:23,415 INFO L470 AbstractCegarLoop]: Abstraction has has 74 places, 70 transitions, 157 flow [2021-10-16 23:06:23,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:06:23,415 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:06:23,416 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:06:23,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:06:23,416 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 23:06:23,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:06:23,417 INFO L82 PathProgramCache]: Analyzing trace with hash -444359582, now seen corresponding path program 1 times [2021-10-16 23:06:23,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:06:23,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426667928] [2021-10-16 23:06:23,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:06:23,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:06:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:06:23,479 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 23:06:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:06:23,521 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 23:06:23,522 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 23:06:23,523 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:23,524 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:06:23,525 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:06:23,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:06:23,529 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:06:23,530 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:06:23,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:06:23 BasicIcfg [2021-10-16 23:06:23,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:06:23,561 INFO L168 Benchmark]: Toolchain (without parser) took 1630.79 ms. Allocated memory is still 232.8 MB. Free memory was 180.2 MB in the beginning and 129.4 MB in the end (delta: 50.8 MB). Peak memory consumption was 50.6 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:23,561 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 232.8 MB. Free memory is still 198.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:06:23,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.40 ms. Allocated memory is still 232.8 MB. Free memory was 180.1 MB in the beginning and 191.8 MB in the end (delta: -11.7 MB). Peak memory consumption was 11.8 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:23,562 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.98 ms. Allocated memory is still 232.8 MB. Free memory was 191.8 MB in the beginning and 189.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:23,562 INFO L168 Benchmark]: Boogie Preprocessor took 32.83 ms. Allocated memory is still 232.8 MB. Free memory was 189.2 MB in the beginning and 188.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:23,563 INFO L168 Benchmark]: RCFGBuilder took 393.85 ms. Allocated memory is still 232.8 MB. Free memory was 188.1 MB in the beginning and 175.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:23,563 INFO L168 Benchmark]: TraceAbstraction took 658.38 ms. Allocated memory is still 232.8 MB. Free memory was 175.0 MB in the beginning and 129.4 MB in the end (delta: 45.6 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:06:23,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 232.8 MB. Free memory is still 198.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 488.40 ms. Allocated memory is still 232.8 MB. Free memory was 180.1 MB in the beginning and 191.8 MB in the end (delta: -11.7 MB). Peak memory consumption was 11.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.98 ms. Allocated memory is still 232.8 MB. Free memory was 191.8 MB in the beginning and 189.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.83 ms. Allocated memory is still 232.8 MB. Free memory was 189.2 MB in the beginning and 188.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 393.85 ms. Allocated memory is still 232.8 MB. Free memory was 188.1 MB in the beginning and 175.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 658.38 ms. Allocated memory is still 232.8 MB. Free memory was 175.0 MB in the beginning and 129.4 MB in the end (delta: 45.6 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 916]: the program contains a data race the program contains a data race We found a FailurePath: [L910] 0 int myglobal; VAL [myglobal=0] [L911] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={5:0}, myglobal=0] [L912] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={5:0}, mutex2={6:0}, myglobal=0] [L913] 0 pthread_mutex_t mutex3 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={5:0}, mutex2={6:0}, mutex3={7:0}, myglobal=0] [L924] 0 pthread_t id; VAL [mutex1={5:0}, mutex2={6:0}, mutex3={7:0}, myglobal=0] [L925] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, mutex1={5:0}, mutex2={6:0}, mutex3={7:0}, myglobal=0] [L916] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={5:0}, mutex2={6:0}, mutex3={7:0}, myglobal=1, myglobal+1=27, myglobal=myglobal+1=25] [L916] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={5:0}, mutex2={6:0}, mutex3={7:0}, myglobal=1, myglobal+1=27, myglobal=myglobal+1=25] - UnprovableResult [Line: 925]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 536.5ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 98.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 48.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.8ms SsaConstructionTime, 93.0ms SatisfiabilityAnalysisTime, 106.3ms InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 23:06:23,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...