/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-FA-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_16-ps_add1_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 15:07:26,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 15:07:26,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 15:07:26,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 15:07:26,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 15:07:26,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 15:07:26,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 15:07:26,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 15:07:26,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 15:07:26,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 15:07:26,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 15:07:26,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 15:07:26,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 15:07:26,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 15:07:26,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 15:07:26,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 15:07:26,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 15:07:26,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 15:07:26,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 15:07:26,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 15:07:26,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 15:07:26,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-15 15:07:26,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 15:07:26,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 15:07:26,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 15:07:26,443 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 [2022-03-15 15:07:26,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 15:07:26,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 15:07:26,468 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 15:07:26,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 15:07:26,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 15:07:26,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 15:07:26,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 15:07:26,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 15:07:26,470 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 15:07:26,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 15:07:26,471 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 15:07:26,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 15:07:26,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 15:07:26,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 15:07:26,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 15:07:26,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 15:07:26,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 15:07:26,471 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 15:07:26,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 15:07:26,471 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 15:07:26,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 15:07:26,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 15:07:26,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 15:07:26,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 15:07:26,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 15:07:26,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:07:26,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 15:07:26,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 15:07:26,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 15:07:26,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 15:07:26,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 15:07:26,473 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 15:07:26,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 15:07:26,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 15:07:26,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 15:07:26,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 15:07:26,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 15:07:26,651 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 15:07:26,651 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 15:07:26,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_16-ps_add1_rc.i [2022-03-15 15:07:26,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f271214b8/a85f2995e5e5492ca0cb211f3d29b8af/FLAG549e8dba5 [2022-03-15 15:07:27,076 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 15:07:27,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_16-ps_add1_rc.i [2022-03-15 15:07:27,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f271214b8/a85f2995e5e5492ca0cb211f3d29b8af/FLAG549e8dba5 [2022-03-15 15:07:27,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f271214b8/a85f2995e5e5492ca0cb211f3d29b8af [2022-03-15 15:07:27,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 15:07:27,099 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 15:07:27,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 15:07:27,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 15:07:27,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 15:07:27,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:07:27" (1/1) ... [2022-03-15 15:07:27,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44bbfb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27, skipping insertion in model container [2022-03-15 15:07:27,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:07:27" (1/1) ... [2022-03-15 15:07:27,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 15:07:27,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 15:07:27,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:07:27,548 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 15:07:27,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:07:27,628 INFO L208 MainTranslator]: Completed translation [2022-03-15 15:07:27,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27 WrapperNode [2022-03-15 15:07:27,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 15:07:27,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 15:07:27,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 15:07:27,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 15:07:27,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27" (1/1) ... [2022-03-15 15:07:27,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27" (1/1) ... [2022-03-15 15:07:27,677 INFO L137 Inliner]: procedures = 266, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-03-15 15:07:27,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 15:07:27,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 15:07:27,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 15:07:27,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 15:07:27,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27" (1/1) ... [2022-03-15 15:07:27,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27" (1/1) ... [2022-03-15 15:07:27,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27" (1/1) ... [2022-03-15 15:07:27,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27" (1/1) ... [2022-03-15 15:07:27,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27" (1/1) ... [2022-03-15 15:07:27,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27" (1/1) ... [2022-03-15 15:07:27,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27" (1/1) ... [2022-03-15 15:07:27,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 15:07:27,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 15:07:27,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 15:07:27,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 15:07:27,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27" (1/1) ... [2022-03-15 15:07:27,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:07:27,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:07:27,731 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) [2022-03-15 15:07:27,748 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 [2022-03-15 15:07:27,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 15:07:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 15:07:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 15:07:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 15:07:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 15:07:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 15:07:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 15:07:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 15:07:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 15:07:27,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 15:07:27,758 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 15:07:27,851 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 15:07:27,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 15:07:27,951 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 15:07:27,956 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 15:07:27,956 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 15:07:27,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:07:27 BoogieIcfgContainer [2022-03-15 15:07:27,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 15:07:27,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 15:07:27,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 15:07:27,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 15:07:27,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 03:07:27" (1/3) ... [2022-03-15 15:07:27,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458dd3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:07:27, skipping insertion in model container [2022-03-15 15:07:27,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:07:27" (2/3) ... [2022-03-15 15:07:27,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458dd3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:07:27, skipping insertion in model container [2022-03-15 15:07:27,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:07:27" (3/3) ... [2022-03-15 15:07:27,962 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_16-ps_add1_rc.i [2022-03-15 15:07:27,965 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 15:07:27,965 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 15:07:27,966 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-15 15:07:27,966 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 15:07:27,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,984 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,984 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,985 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,985 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,985 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,986 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,987 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,991 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,991 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:07:27,993 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 15:07:28,021 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 15:07:28,025 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 15:07:28,025 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 15:07:28,033 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 82 transitions, 169 flow [2022-03-15 15:07:28,084 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 567 states, 559 states have (on average 1.960644007155635) internal successors, (1096), 566 states have internal predecessors, (1096), 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) [2022-03-15 15:07:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 567 states, 559 states have (on average 1.960644007155635) internal successors, (1096), 566 states have internal predecessors, (1096), 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) [2022-03-15 15:07:28,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-03-15 15:07:28,093 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:07:28,094 INFO L514 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] [2022-03-15 15:07:28,095 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:07:28,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:07:28,103 INFO L85 PathProgramCache]: Analyzing trace with hash 634198338, now seen corresponding path program 1 times [2022-03-15 15:07:28,109 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:07:28,109 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422564979] [2022-03-15 15:07:28,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:07:28,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:07:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:07:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:07:28,305 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:07:28,305 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422564979] [2022-03-15 15:07:28,305 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422564979] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:07:28,305 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:07:28,305 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:07:28,306 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999724242] [2022-03-15 15:07:28,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:07:28,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:07:28,310 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:07:28,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:07:28,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:07:28,332 INFO L87 Difference]: Start difference. First operand has 567 states, 559 states have (on average 1.960644007155635) internal successors, (1096), 566 states have internal predecessors, (1096), 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) Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2022-03-15 15:07:28,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:07:28,380 INFO L93 Difference]: Finished difference Result 665 states and 1285 transitions. [2022-03-15 15:07:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:07:28,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) Word has length 32 [2022-03-15 15:07:28,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:07:28,395 INFO L225 Difference]: With dead ends: 665 [2022-03-15 15:07:28,395 INFO L226 Difference]: Without dead ends: 665 [2022-03-15 15:07:28,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:07:28,403 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 48 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:07:28,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 184 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:07:28,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-03-15 15:07:28,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 565. [2022-03-15 15:07:28,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 558 states have (on average 1.9516129032258065) internal successors, (1089), 564 states have internal predecessors, (1089), 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) [2022-03-15 15:07:28,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1089 transitions. [2022-03-15 15:07:28,477 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 1089 transitions. Word has length 32 [2022-03-15 15:07:28,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:07:28,478 INFO L470 AbstractCegarLoop]: Abstraction has 565 states and 1089 transitions. [2022-03-15 15:07:28,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2022-03-15 15:07:28,478 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1089 transitions. [2022-03-15 15:07:28,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-15 15:07:28,479 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:07:28,479 INFO L514 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, 1, 1, 1, 1] [2022-03-15 15:07:28,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 15:07:28,480 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:07:28,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:07:28,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1742084075, now seen corresponding path program 1 times [2022-03-15 15:07:28,481 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:07:28,481 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661824983] [2022-03-15 15:07:28,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:07:28,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:07:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:07:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:07:28,528 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:07:28,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661824983] [2022-03-15 15:07:28,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661824983] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:07:28,528 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:07:28,529 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:07:28,529 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443138317] [2022-03-15 15:07:28,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:07:28,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:07:28,530 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:07:28,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:07:28,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:07:28,530 INFO L87 Difference]: Start difference. First operand 565 states and 1089 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-03-15 15:07:28,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:07:28,558 INFO L93 Difference]: Finished difference Result 586 states and 1112 transitions. [2022-03-15 15:07:28,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:07:28,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) Word has length 37 [2022-03-15 15:07:28,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:07:28,560 INFO L225 Difference]: With dead ends: 586 [2022-03-15 15:07:28,560 INFO L226 Difference]: Without dead ends: 436 [2022-03-15 15:07:28,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:07:28,561 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 37 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:07:28,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 177 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:07:28,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2022-03-15 15:07:28,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 422. [2022-03-15 15:07:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 416 states have (on average 1.8413461538461537) internal successors, (766), 421 states have internal predecessors, (766), 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) [2022-03-15 15:07:28,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 766 transitions. [2022-03-15 15:07:28,575 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 766 transitions. Word has length 37 [2022-03-15 15:07:28,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:07:28,575 INFO L470 AbstractCegarLoop]: Abstraction has 422 states and 766 transitions. [2022-03-15 15:07:28,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-03-15 15:07:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 766 transitions. [2022-03-15 15:07:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-03-15 15:07:28,577 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:07:28,577 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:07:28,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 15:07:28,577 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:07:28,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:07:28,578 INFO L85 PathProgramCache]: Analyzing trace with hash -859917457, now seen corresponding path program 1 times [2022-03-15 15:07:28,578 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:07:28,578 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691126049] [2022-03-15 15:07:28,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:07:28,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:07:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:07:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:07:28,636 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:07:28,636 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691126049] [2022-03-15 15:07:28,636 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691126049] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:07:28,636 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:07:28,636 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:07:28,636 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738004655] [2022-03-15 15:07:28,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:07:28,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:07:28,637 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:07:28,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:07:28,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:07:28,637 INFO L87 Difference]: Start difference. First operand 422 states and 766 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-03-15 15:07:28,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:07:28,658 INFO L93 Difference]: Finished difference Result 424 states and 759 transitions. [2022-03-15 15:07:28,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:07:28,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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) Word has length 43 [2022-03-15 15:07:28,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:07:28,659 INFO L225 Difference]: With dead ends: 424 [2022-03-15 15:07:28,659 INFO L226 Difference]: Without dead ends: 316 [2022-03-15 15:07:28,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:07:28,660 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 17 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:07:28,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 153 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:07:28,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-03-15 15:07:28,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2022-03-15 15:07:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 312 states have (on average 1.7083333333333333) internal successors, (533), 315 states have internal predecessors, (533), 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) [2022-03-15 15:07:28,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 533 transitions. [2022-03-15 15:07:28,668 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 533 transitions. Word has length 43 [2022-03-15 15:07:28,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:07:28,668 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 533 transitions. [2022-03-15 15:07:28,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-03-15 15:07:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 533 transitions. [2022-03-15 15:07:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-15 15:07:28,670 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:07:28,670 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:07:28,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 15:07:28,670 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:07:28,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:07:28,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1228158006, now seen corresponding path program 1 times [2022-03-15 15:07:28,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:07:28,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593907468] [2022-03-15 15:07:28,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:07:28,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:07:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 15:07:28,713 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 15:07:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 15:07:28,740 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 15:07:28,740 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 15:07:28,741 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-15 15:07:28,742 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-15 15:07:28,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-03-15 15:07:28,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2022-03-15 15:07:28,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-15 15:07:28,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-15 15:07:28,743 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-15 15:07:28,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 15:07:28,745 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-15 15:07:28,749 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 15:07:28,749 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 15:07:28,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 03:07:28 BasicIcfg [2022-03-15 15:07:28,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 15:07:28,778 INFO L158 Benchmark]: Toolchain (without parser) took 1678.90ms. Allocated memory is still 182.5MB. Free memory was 133.4MB in the beginning and 151.2MB in the end (delta: -17.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:07:28,778 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:07:28,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.84ms. Allocated memory is still 182.5MB. Free memory was 133.2MB in the beginning and 143.3MB in the end (delta: -10.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-15 15:07:28,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.49ms. Allocated memory is still 182.5MB. Free memory was 143.3MB in the beginning and 141.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 15:07:28,779 INFO L158 Benchmark]: Boogie Preprocessor took 27.99ms. Allocated memory is still 182.5MB. Free memory was 141.2MB in the beginning and 139.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 15:07:28,779 INFO L158 Benchmark]: RCFGBuilder took 250.81ms. Allocated memory is still 182.5MB. Free memory was 139.7MB in the beginning and 127.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-15 15:07:28,779 INFO L158 Benchmark]: TraceAbstraction took 818.91ms. Allocated memory is still 182.5MB. Free memory was 127.0MB in the beginning and 151.2MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:07:28,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 182.5MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 529.84ms. Allocated memory is still 182.5MB. Free memory was 133.2MB in the beginning and 143.3MB in the end (delta: -10.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.49ms. Allocated memory is still 182.5MB. Free memory was 143.3MB in the beginning and 141.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.99ms. Allocated memory is still 182.5MB. Free memory was 141.2MB in the beginning and 139.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 250.81ms. Allocated memory is still 182.5MB. Free memory was 139.7MB in the beginning and 127.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 818.91ms. Allocated memory is still 182.5MB. Free memory was 127.0MB in the beginning and 151.2MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 932]: Data race detected Data race detected The following path leads to a data race: [L928] 0 int glob; VAL [glob=0] [L929] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, m={4:0}] [L937] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, glob=0, i=0, m={4:0}] [L938] 0 pthread_t id; VAL [glob=0, i=0, id={5:0}, m={4:0}] [L939] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, i=0, id={5:0}, m={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L932] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=0, m={4:0}] [L932] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, m={4:0}] [L941] COND FALSE 0 !(\read(i)) VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, i=0, id={5:0}, m={4:0}] [L944] 0 i++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, i=1, id={5:0}, m={4:0}] [L945] COND TRUE 0 \read(i) VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, i=1, id={5:0}, m={4:0}] [L946] 0 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, i=1, id={5:0}, m={4:0}] [L932] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, glob++=25, glob++=0, m={4:0}] Now there is a data race on ~glob~0 between C: glob++ [946] and C: glob++ [932] - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 946]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 939]: 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. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 99 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 514 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 199 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 317 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=567occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 could not prove your program: unable to determine feasibility of some traces [2022-03-15 15:07:28,852 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...