/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/05-lval_ls_01-idx_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 12:45:15,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 12:45:15,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 12:45:15,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 12:45:15,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 12:45:15,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 12:45:15,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 12:45:15,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 12:45:15,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 12:45:15,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 12:45:15,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 12:45:15,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 12:45:15,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 12:45:15,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 12:45:15,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 12:45:15,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 12:45:15,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 12:45:15,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 12:45:15,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 12:45:15,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 12:45:15,276 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 [2022-02-15 12:45:15,308 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 12:45:15,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 12:45:15,308 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 12:45:15,308 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 12:45:15,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 12:45:15,309 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 12:45:15,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 12:45:15,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 12:45:15,310 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 12:45:15,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 12:45:15,310 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 12:45:15,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 12:45:15,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 12:45:15,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 12:45:15,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 12:45:15,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 12:45:15,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 12:45:15,311 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 12:45:15,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 12:45:15,313 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 12:45:15,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 12:45:15,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 12:45:15,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 12:45:15,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 12:45:15,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 12:45:15,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:45:15,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 12:45:15,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 12:45:15,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 12:45:15,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 12:45:15,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 12:45:15,315 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 12:45:15,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 12:45:15,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-15 12:45:15,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 12:45:15,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 12:45:15,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 12:45:15,551 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 12:45:15,551 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 12:45:15,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_01-idx_rc.i [2022-02-15 12:45:15,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/132f37e7f/abc0334f57304a8e87ac7430e2d1b523/FLAGecca43a0a [2022-02-15 12:45:15,965 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 12:45:15,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_01-idx_rc.i [2022-02-15 12:45:15,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/132f37e7f/abc0334f57304a8e87ac7430e2d1b523/FLAGecca43a0a [2022-02-15 12:45:15,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/132f37e7f/abc0334f57304a8e87ac7430e2d1b523 [2022-02-15 12:45:15,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 12:45:15,990 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 12:45:15,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 12:45:15,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 12:45:15,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 12:45:15,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:45:15" (1/1) ... [2022-02-15 12:45:15,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eea5b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:15, skipping insertion in model container [2022-02-15 12:45:15,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:45:15" (1/1) ... [2022-02-15 12:45:16,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 12:45:16,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 12:45:16,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:45:16,298 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 12:45:16,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:45:16,387 INFO L208 MainTranslator]: Completed translation [2022-02-15 12:45:16,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:16 WrapperNode [2022-02-15 12:45:16,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 12:45:16,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 12:45:16,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 12:45:16,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 12:45:16,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:16" (1/1) ... [2022-02-15 12:45:16,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:16" (1/1) ... [2022-02-15 12:45:16,441 INFO L137 Inliner]: procedures = 161, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-02-15 12:45:16,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 12:45:16,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 12:45:16,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 12:45:16,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 12:45:16,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:16" (1/1) ... [2022-02-15 12:45:16,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:16" (1/1) ... [2022-02-15 12:45:16,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:16" (1/1) ... [2022-02-15 12:45:16,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:16" (1/1) ... [2022-02-15 12:45:16,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:16" (1/1) ... [2022-02-15 12:45:16,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:16" (1/1) ... [2022-02-15 12:45:16,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:16" (1/1) ... [2022-02-15 12:45:16,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 12:45:16,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 12:45:16,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 12:45:16,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 12:45:16,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:16" (1/1) ... [2022-02-15 12:45:16,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:45:16,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:45:16,491 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) [2022-02-15 12:45:16,493 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 [2022-02-15 12:45:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 12:45:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-15 12:45:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 12:45:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 12:45:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-15 12:45:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-15 12:45:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 12:45:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 12:45:16,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 12:45:16,528 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 12:45:16,612 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 12:45:16,614 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 12:45:16,759 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 12:45:16,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 12:45:16,773 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-15 12:45:16,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:45:16 BoogieIcfgContainer [2022-02-15 12:45:16,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 12:45:16,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 12:45:16,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 12:45:16,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 12:45:16,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:45:15" (1/3) ... [2022-02-15 12:45:16,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2228af37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:45:16, skipping insertion in model container [2022-02-15 12:45:16,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:45:16" (2/3) ... [2022-02-15 12:45:16,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2228af37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:45:16, skipping insertion in model container [2022-02-15 12:45:16,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:45:16" (3/3) ... [2022-02-15 12:45:16,792 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_01-idx_rc.i [2022-02-15 12:45:16,796 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 12:45:16,796 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 12:45:16,797 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-15 12:45:16,797 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 12:45:16,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,821 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,822 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,822 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,822 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,832 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,832 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:45:16,835 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-15 12:45:16,870 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 12:45:16,876 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 [2022-02-15 12:45:16,876 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-15 12:45:16,884 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67 places, 65 transitions, 135 flow [2022-02-15 12:45:16,946 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 377 states, 369 states have (on average 1.8753387533875339) internal successors, (692), 376 states have internal predecessors, (692), 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) [2022-02-15 12:45:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 377 states, 369 states have (on average 1.8753387533875339) internal successors, (692), 376 states have internal predecessors, (692), 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) [2022-02-15 12:45:16,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-15 12:45:16,957 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:16,958 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] [2022-02-15 12:45:16,958 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:16,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:16,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1537084983, now seen corresponding path program 1 times [2022-02-15 12:45:16,977 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:16,977 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002783913] [2022-02-15 12:45:16,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:16,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:17,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:45:17,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002783913] [2022-02-15 12:45:17,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002783913] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:45:17,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:45:17,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 12:45:17,156 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562531291] [2022-02-15 12:45:17,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:45:17,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-15 12:45:17,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:45:17,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-15 12:45:17,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-15 12:45:17,186 INFO L87 Difference]: Start difference. First operand has 377 states, 369 states have (on average 1.8753387533875339) internal successors, (692), 376 states have internal predecessors, (692), 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 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2022-02-15 12:45:17,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:45:17,213 INFO L93 Difference]: Finished difference Result 377 states and 691 transitions. [2022-02-15 12:45:17,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 12:45:17,216 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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 24 [2022-02-15 12:45:17,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:45:17,226 INFO L225 Difference]: With dead ends: 377 [2022-02-15 12:45:17,226 INFO L226 Difference]: Without dead ends: 377 [2022-02-15 12:45:17,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-15 12:45:17,231 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:45:17,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:45:17,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-02-15 12:45:17,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2022-02-15 12:45:17,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 369 states have (on average 1.872628726287263) internal successors, (691), 376 states have internal predecessors, (691), 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) [2022-02-15 12:45:17,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 691 transitions. [2022-02-15 12:45:17,287 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 691 transitions. Word has length 24 [2022-02-15 12:45:17,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:45:17,288 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 691 transitions. [2022-02-15 12:45:17,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2022-02-15 12:45:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 691 transitions. [2022-02-15 12:45:17,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-15 12:45:17,289 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:17,289 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] [2022-02-15 12:45:17,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 12:45:17,290 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:17,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:17,291 INFO L85 PathProgramCache]: Analyzing trace with hash 960930954, now seen corresponding path program 1 times [2022-02-15 12:45:17,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:17,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56738899] [2022-02-15 12:45:17,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:17,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:17,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:17,340 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:45:17,340 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56738899] [2022-02-15 12:45:17,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56738899] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:45:17,340 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:45:17,341 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 12:45:17,341 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241698738] [2022-02-15 12:45:17,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:45:17,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:45:17,342 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:45:17,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:45:17,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:45:17,343 INFO L87 Difference]: Start difference. First operand 377 states and 691 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-02-15 12:45:17,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:45:17,366 INFO L93 Difference]: Finished difference Result 381 states and 695 transitions. [2022-02-15 12:45:17,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:45:17,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2022-02-15 12:45:17,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:45:17,374 INFO L225 Difference]: With dead ends: 381 [2022-02-15 12:45:17,374 INFO L226 Difference]: Without dead ends: 381 [2022-02-15 12:45:17,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:45:17,375 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:45:17,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:45:17,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-02-15 12:45:17,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 378. [2022-02-15 12:45:17,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 370 states have (on average 1.8702702702702703) internal successors, (692), 377 states have internal predecessors, (692), 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) [2022-02-15 12:45:17,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 692 transitions. [2022-02-15 12:45:17,401 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 692 transitions. Word has length 24 [2022-02-15 12:45:17,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:45:17,402 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 692 transitions. [2022-02-15 12:45:17,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-02-15 12:45:17,402 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 692 transitions. [2022-02-15 12:45:17,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-15 12:45:17,403 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:17,403 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] [2022-02-15 12:45:17,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 12:45:17,403 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:17,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:17,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2006067409, now seen corresponding path program 1 times [2022-02-15 12:45:17,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:17,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549811936] [2022-02-15 12:45:17,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:17,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:17,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:45:17,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549811936] [2022-02-15 12:45:17,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549811936] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 12:45:17,509 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139793196] [2022-02-15 12:45:17,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:17,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 12:45:17,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:45:17,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 12:45:17,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-15 12:45:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:17,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-15 12:45:17,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 12:45:17,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-15 12:45:17,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-15 12:45:17,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139793196] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:45:17,704 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-15 12:45:17,704 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-15 12:45:17,704 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597558965] [2022-02-15 12:45:17,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:45:17,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:45:17,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:45:17,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:45:17,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:45:17,706 INFO L87 Difference]: Start difference. First operand 378 states and 692 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-02-15 12:45:17,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:45:17,746 INFO L93 Difference]: Finished difference Result 458 states and 842 transitions. [2022-02-15 12:45:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:45:17,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2022-02-15 12:45:17,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:45:17,751 INFO L225 Difference]: With dead ends: 458 [2022-02-15 12:45:17,751 INFO L226 Difference]: Without dead ends: 458 [2022-02-15 12:45:17,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:45:17,752 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 33 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 133 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 [2022-02-15 12:45:17,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 133 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:45:17,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-02-15 12:45:17,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 378. [2022-02-15 12:45:17,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 371 states have (on average 1.8598382749326146) internal successors, (690), 377 states have internal predecessors, (690), 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) [2022-02-15 12:45:17,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 690 transitions. [2022-02-15 12:45:17,769 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 690 transitions. Word has length 29 [2022-02-15 12:45:17,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:45:17,770 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 690 transitions. [2022-02-15 12:45:17,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-02-15 12:45:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 690 transitions. [2022-02-15 12:45:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-15 12:45:17,771 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:17,771 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] [2022-02-15 12:45:17,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-15 12:45:17,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 12:45:17,992 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:17,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:17,992 INFO L85 PathProgramCache]: Analyzing trace with hash -272035997, now seen corresponding path program 1 times [2022-02-15 12:45:17,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:17,993 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356531503] [2022-02-15 12:45:17,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:17,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:18,046 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:45:18,047 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356531503] [2022-02-15 12:45:18,047 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356531503] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 12:45:18,047 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287418090] [2022-02-15 12:45:18,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:18,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 12:45:18,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:45:18,049 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 12:45:18,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-15 12:45:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:18,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-15 12:45:18,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 12:45:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-15 12:45:18,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-15 12:45:18,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287418090] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:45:18,204 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-15 12:45:18,204 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-15 12:45:18,205 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647651560] [2022-02-15 12:45:18,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:45:18,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:45:18,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:45:18,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:45:18,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:45:18,214 INFO L87 Difference]: Start difference. First operand 378 states and 690 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-02-15 12:45:18,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:45:18,258 INFO L93 Difference]: Finished difference Result 401 states and 723 transitions. [2022-02-15 12:45:18,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:45:18,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2022-02-15 12:45:18,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:45:18,260 INFO L225 Difference]: With dead ends: 401 [2022-02-15 12:45:18,260 INFO L226 Difference]: Without dead ends: 301 [2022-02-15 12:45:18,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:45:18,265 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 22 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 126 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 [2022-02-15 12:45:18,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 126 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:45:18,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-02-15 12:45:18,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 287. [2022-02-15 12:45:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 281 states have (on average 1.7686832740213523) internal successors, (497), 286 states have internal predecessors, (497), 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) [2022-02-15 12:45:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 497 transitions. [2022-02-15 12:45:18,292 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 497 transitions. Word has length 34 [2022-02-15 12:45:18,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:45:18,292 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 497 transitions. [2022-02-15 12:45:18,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-02-15 12:45:18,293 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 497 transitions. [2022-02-15 12:45:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-15 12:45:18,296 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:18,296 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] [2022-02-15 12:45:18,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-15 12:45:18,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-02-15 12:45:18,497 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:18,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:18,498 INFO L85 PathProgramCache]: Analyzing trace with hash 438956630, now seen corresponding path program 1 times [2022-02-15 12:45:18,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:18,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970517276] [2022-02-15 12:45:18,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:18,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:18,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:18,562 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:45:18,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970517276] [2022-02-15 12:45:18,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970517276] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 12:45:18,563 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096459488] [2022-02-15 12:45:18,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:18,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 12:45:18,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:45:18,568 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 12:45:18,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-15 12:45:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:18,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-15 12:45:18,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 12:45:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-15 12:45:18,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-15 12:45:18,717 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096459488] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:45:18,718 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-15 12:45:18,718 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-15 12:45:18,719 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131010804] [2022-02-15 12:45:18,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:45:18,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:45:18,719 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:45:18,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:45:18,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:45:18,720 INFO L87 Difference]: Start difference. First operand 287 states and 497 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-02-15 12:45:18,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:45:18,745 INFO L93 Difference]: Finished difference Result 289 states and 490 transitions. [2022-02-15 12:45:18,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:45:18,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2022-02-15 12:45:18,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:45:18,747 INFO L225 Difference]: With dead ends: 289 [2022-02-15 12:45:18,748 INFO L226 Difference]: Without dead ends: 223 [2022-02-15 12:45:18,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-15 12:45:18,749 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 17 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 119 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 [2022-02-15 12:45:18,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 119 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:45:18,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-02-15 12:45:18,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-02-15 12:45:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 219 states have (on average 1.6164383561643836) internal successors, (354), 222 states have internal predecessors, (354), 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) [2022-02-15 12:45:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 354 transitions. [2022-02-15 12:45:18,757 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 354 transitions. Word has length 35 [2022-02-15 12:45:18,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:45:18,759 INFO L470 AbstractCegarLoop]: Abstraction has 223 states and 354 transitions. [2022-02-15 12:45:18,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-02-15 12:45:18,760 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 354 transitions. [2022-02-15 12:45:18,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-15 12:45:18,762 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:18,762 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] [2022-02-15 12:45:18,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-15 12:45:18,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 12:45:18,980 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:18,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:18,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1233691196, now seen corresponding path program 1 times [2022-02-15 12:45:18,981 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:18,981 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675091574] [2022-02-15 12:45:18,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:18,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:19,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:45:19,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675091574] [2022-02-15 12:45:19,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675091574] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 12:45:19,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39921749] [2022-02-15 12:45:19,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:19,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 12:45:19,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:45:19,044 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 12:45:19,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-15 12:45:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:19,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-15 12:45:19,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 12:45:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:19,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 12:45:19,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:19,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39921749] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 12:45:19,329 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 12:45:19,329 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-15 12:45:19,329 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037178984] [2022-02-15 12:45:19,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 12:45:19,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 12:45:19,330 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:45:19,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 12:45:19,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-15 12:45:19,330 INFO L87 Difference]: Start difference. First operand 223 states and 354 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2022-02-15 12:45:19,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:45:19,392 INFO L93 Difference]: Finished difference Result 233 states and 364 transitions. [2022-02-15 12:45:19,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 12:45:19,392 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 39 [2022-02-15 12:45:19,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:45:19,393 INFO L225 Difference]: With dead ends: 233 [2022-02-15 12:45:19,394 INFO L226 Difference]: Without dead ends: 233 [2022-02-15 12:45:19,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-15 12:45:19,401 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 11 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:45:19,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 390 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:45:19,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-02-15 12:45:19,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2022-02-15 12:45:19,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 229 states have (on average 1.5895196506550218) internal successors, (364), 232 states have internal predecessors, (364), 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) [2022-02-15 12:45:19,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 364 transitions. [2022-02-15 12:45:19,408 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 364 transitions. Word has length 39 [2022-02-15 12:45:19,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:45:19,408 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 364 transitions. [2022-02-15 12:45:19,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2022-02-15 12:45:19,408 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 364 transitions. [2022-02-15 12:45:19,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-15 12:45:19,410 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:19,411 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-02-15 12:45:19,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-15 12:45:19,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 12:45:19,634 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:19,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:19,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1761237668, now seen corresponding path program 2 times [2022-02-15 12:45:19,635 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:19,635 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522384755] [2022-02-15 12:45:19,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:19,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:19,703 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:19,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:45:19,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522384755] [2022-02-15 12:45:19,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522384755] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 12:45:19,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878373363] [2022-02-15 12:45:19,704 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 12:45:19,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 12:45:19,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:45:19,705 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 12:45:19,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-15 12:45:19,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 12:45:19,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 12:45:19,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-15 12:45:19,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 12:45:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:19,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 12:45:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:20,032 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878373363] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 12:45:20,032 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 12:45:20,032 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-15 12:45:20,032 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050734732] [2022-02-15 12:45:20,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 12:45:20,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-15 12:45:20,034 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:45:20,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-15 12:45:20,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-15 12:45:20,034 INFO L87 Difference]: Start difference. First operand 233 states and 364 transitions. Second operand has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 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) [2022-02-15 12:45:20,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:45:20,197 INFO L93 Difference]: Finished difference Result 253 states and 384 transitions. [2022-02-15 12:45:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 12:45:20,198 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 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 49 [2022-02-15 12:45:20,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:45:20,199 INFO L225 Difference]: With dead ends: 253 [2022-02-15 12:45:20,199 INFO L226 Difference]: Without dead ends: 253 [2022-02-15 12:45:20,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-02-15 12:45:20,200 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 27 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:45:20,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 614 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:45:20,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-02-15 12:45:20,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2022-02-15 12:45:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 249 states have (on average 1.5421686746987953) internal successors, (384), 252 states have internal predecessors, (384), 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) [2022-02-15 12:45:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 384 transitions. [2022-02-15 12:45:20,206 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 384 transitions. Word has length 49 [2022-02-15 12:45:20,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:45:20,206 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 384 transitions. [2022-02-15 12:45:20,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 states have internal predecessors, (71), 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) [2022-02-15 12:45:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 384 transitions. [2022-02-15 12:45:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-15 12:45:20,207 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:20,207 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 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] [2022-02-15 12:45:20,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-15 12:45:20,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 12:45:20,432 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:20,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:20,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1106080668, now seen corresponding path program 3 times [2022-02-15 12:45:20,432 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:20,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774372065] [2022-02-15 12:45:20,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:20,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:45:20,596 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:20,596 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:45:20,596 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774372065] [2022-02-15 12:45:20,597 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774372065] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 12:45:20,597 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962936339] [2022-02-15 12:45:20,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 12:45:20,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 12:45:20,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:45:20,598 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 12:45:20,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-15 12:45:20,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-15 12:45:20,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 12:45:20,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-15 12:45:20,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 12:45:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:20,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 12:45:21,030 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:45:21,030 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962936339] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 12:45:21,030 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 12:45:21,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-02-15 12:45:21,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202565291] [2022-02-15 12:45:21,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 12:45:21,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-15 12:45:21,031 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:45:21,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-15 12:45:21,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-02-15 12:45:21,032 INFO L87 Difference]: Start difference. First operand 253 states and 384 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 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) [2022-02-15 12:45:21,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:45:21,289 INFO L93 Difference]: Finished difference Result 268 states and 399 transitions. [2022-02-15 12:45:21,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 12:45:21,289 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 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 69 [2022-02-15 12:45:21,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:45:21,291 INFO L225 Difference]: With dead ends: 268 [2022-02-15 12:45:21,291 INFO L226 Difference]: Without dead ends: 268 [2022-02-15 12:45:21,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 131 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-02-15 12:45:21,292 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 41 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 12:45:21,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 511 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 12:45:21,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-02-15 12:45:21,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2022-02-15 12:45:21,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 264 states have (on average 1.5113636363636365) internal successors, (399), 267 states have internal predecessors, (399), 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) [2022-02-15 12:45:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 399 transitions. [2022-02-15 12:45:21,299 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 399 transitions. Word has length 69 [2022-02-15 12:45:21,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:45:21,299 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 399 transitions. [2022-02-15 12:45:21,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 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) [2022-02-15 12:45:21,300 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 399 transitions. [2022-02-15 12:45:21,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-15 12:45:21,300 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:45:21,300 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 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] [2022-02-15 12:45:21,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-15 12:45:21,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 12:45:21,516 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-15 12:45:21,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:45:21,516 INFO L85 PathProgramCache]: Analyzing trace with hash -418400001, now seen corresponding path program 4 times [2022-02-15 12:45:21,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:45:21,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943674804] [2022-02-15 12:45:21,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:45:21,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:45:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 12:45:21,554 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 12:45:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 12:45:21,591 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 12:45:21,591 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 12:45:21,592 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-15 12:45:21,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-15 12:45:21,593 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-15 12:45:21,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-15 12:45:21,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-15 12:45:21,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-15 12:45:21,594 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-15 12:45:21,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 12:45:21,596 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2022-02-15 12:45:21,600 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 12:45:21,601 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 12:45:21,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:45:21 BasicIcfg [2022-02-15 12:45:21,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 12:45:21,647 INFO L158 Benchmark]: Toolchain (without parser) took 5656.61ms. Allocated memory was 192.9MB in the beginning and 255.9MB in the end (delta: 62.9MB). Free memory was 140.2MB in the beginning and 91.7MB in the end (delta: 48.5MB). Peak memory consumption was 111.7MB. Max. memory is 8.0GB. [2022-02-15 12:45:21,647 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory was 157.9MB in the beginning and 157.8MB in the end (delta: 72.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 12:45:21,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.19ms. Allocated memory was 192.9MB in the beginning and 255.9MB in the end (delta: 62.9MB). Free memory was 140.0MB in the beginning and 224.1MB in the end (delta: -84.1MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2022-02-15 12:45:21,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.17ms. Allocated memory is still 255.9MB. Free memory was 224.1MB in the beginning and 222.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 12:45:21,648 INFO L158 Benchmark]: Boogie Preprocessor took 20.50ms. Allocated memory is still 255.9MB. Free memory was 222.0MB in the beginning and 220.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 12:45:21,648 INFO L158 Benchmark]: RCFGBuilder took 312.91ms. Allocated memory is still 255.9MB. Free memory was 220.9MB in the beginning and 208.9MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-15 12:45:21,649 INFO L158 Benchmark]: TraceAbstraction took 4858.99ms. Allocated memory is still 255.9MB. Free memory was 208.3MB in the beginning and 91.7MB in the end (delta: 116.7MB). Peak memory consumption was 117.2MB. Max. memory is 8.0GB. [2022-02-15 12:45:21,650 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 192.9MB. Free memory was 157.9MB in the beginning and 157.8MB in the end (delta: 72.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 398.19ms. Allocated memory was 192.9MB in the beginning and 255.9MB in the end (delta: 62.9MB). Free memory was 140.0MB in the beginning and 224.1MB in the end (delta: -84.1MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.17ms. Allocated memory is still 255.9MB. Free memory was 224.1MB in the beginning and 222.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.50ms. Allocated memory is still 255.9MB. Free memory was 222.0MB in the beginning and 220.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 312.91ms. Allocated memory is still 255.9MB. Free memory was 220.9MB in the beginning and 208.9MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 4858.99ms. Allocated memory is still 255.9MB. Free memory was 208.3MB in the beginning and 91.7MB in the end (delta: 116.7MB). Peak memory consumption was 117.2MB. 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: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data; VAL [data=0] [L680] 0 pthread_mutex_t m[10]; VAL [data=0, m={1:0}] [L688] 0 int i = 0; VAL [data=0, i=0, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=0, m={1:0}] [L688] 0 i++ VAL [data=0, i=1, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=1, m={1:0}] [L688] 0 i++ VAL [data=0, i=2, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=2, m={1:0}] [L688] 0 i++ VAL [data=0, i=3, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=3, m={1:0}] [L688] 0 i++ VAL [data=0, i=4, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=4, m={1:0}] [L688] 0 i++ VAL [data=0, i=5, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=5, m={1:0}] [L688] 0 i++ VAL [data=0, i=6, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=6, m={1:0}] [L688] 0 i++ VAL [data=0, i=7, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=7, m={1:0}] [L688] 0 i++ VAL [data=0, i=8, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=8, m={1:0}] [L688] 0 i++ VAL [data=0, i=9, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=9, m={1:0}] [L688] 0 i++ VAL [data=0, i=10, m={1:0}] [L688] COND FALSE 0 !(i < 10) VAL [data=0, i=10, m={1:0}] [L690] 0 pthread_t id; VAL [data=0, i=10, id={2:0}, m={1:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data=0, i=10, id={2:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L693] 0 data++ VAL [arg={0:0}, data=0, i=10, id={2:0}, m={1:0}] [L683] 1 data++ VAL [arg={0:0}, arg={0:0}, data=1, data++=0, data++=241, m={1:0}] [L693] 0 data++ VAL [arg={0:0}, arg={0:0}, data=1, data++=0, data++=241, i=10, id={2:0}, m={1:0}] Now there is a data race on ~data~0 between C: data++ [683] and C: data++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: 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: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: 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, 83 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 9, TraceHistogramMax: 10, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 154 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 154 mSDsluCounter, 2069 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1567 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 301 IncrementalHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 529 mSDtfsCounter, 301 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 488 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=378occurred in iteration=2, InterpolantAutomatonStates: 74, 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, 8 MinimizatonAttempts, 97 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 642 NumberOfCodeBlocks, 642 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 698 ConstructedInterpolants, 0 QuantifiedInterpolants, 1090 SizeOfPredicates, 22 NumberOfNonLiveVariables, 660 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 3/399 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 [2022-02-15 12:45:21,719 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...