/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/06-symbeq_03-funloop_simple.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 01:58:25,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 01:58:25,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 01:58:25,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 01:58:25,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 01:58:25,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 01:58:25,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 01:58:25,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 01:58:25,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 01:58:25,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 01:58:25,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 01:58:25,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 01:58:25,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 01:58:25,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 01:58:25,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 01:58:25,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 01:58:25,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 01:58:25,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 01:58:25,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 01:58:25,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 01:58:25,601 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 [2022-02-09 01:58:25,625 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 01:58:25,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 01:58:25,626 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 01:58:25,626 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 01:58:25,627 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 01:58:25,627 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 01:58:25,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 01:58:25,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 01:58:25,627 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 01:58:25,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 01:58:25,628 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 01:58:25,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 01:58:25,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 01:58:25,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 01:58:25,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 01:58:25,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 01:58:25,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 01:58:25,629 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 01:58:25,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 01:58:25,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 01:58:25,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 01:58:25,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 01:58:25,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 01:58:25,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 01:58:25,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 01:58:25,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 01:58:25,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 01:58:25,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 01:58:25,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 01:58:25,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 01:58:25,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 01:58:25,630 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 01:58:25,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 01:58:25,631 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-09 01:58:25,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 01:58:25,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 01:58:25,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 01:58:25,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 01:58:25,896 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 01:58:25,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i [2022-02-09 01:58:25,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3573cf9f7/34c99cceb294425da46c468d47048d33/FLAGdcc41f849 [2022-02-09 01:58:26,364 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 01:58:26,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i [2022-02-09 01:58:26,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3573cf9f7/34c99cceb294425da46c468d47048d33/FLAGdcc41f849 [2022-02-09 01:58:26,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3573cf9f7/34c99cceb294425da46c468d47048d33 [2022-02-09 01:58:26,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 01:58:26,700 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 01:58:26,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 01:58:26,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 01:58:26,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 01:58:26,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 01:58:26" (1/1) ... [2022-02-09 01:58:26,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191f97ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:26, skipping insertion in model container [2022-02-09 01:58:26,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 01:58:26" (1/1) ... [2022-02-09 01:58:26,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 01:58:26,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 01:58:27,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 01:58:27,207 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 01:58:27,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 01:58:27,325 INFO L208 MainTranslator]: Completed translation [2022-02-09 01:58:27,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:27 WrapperNode [2022-02-09 01:58:27,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 01:58:27,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 01:58:27,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 01:58:27,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 01:58:27,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:27" (1/1) ... [2022-02-09 01:58:27,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:27" (1/1) ... [2022-02-09 01:58:27,401 INFO L137 Inliner]: procedures = 262, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2022-02-09 01:58:27,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 01:58:27,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 01:58:27,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 01:58:27,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 01:58:27,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:27" (1/1) ... [2022-02-09 01:58:27,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:27" (1/1) ... [2022-02-09 01:58:27,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:27" (1/1) ... [2022-02-09 01:58:27,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:27" (1/1) ... [2022-02-09 01:58:27,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:27" (1/1) ... [2022-02-09 01:58:27,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:27" (1/1) ... [2022-02-09 01:58:27,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:27" (1/1) ... [2022-02-09 01:58:27,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 01:58:27,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 01:58:27,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 01:58:27,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 01:58:27,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:27" (1/1) ... [2022-02-09 01:58:27,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 01:58:27,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:27,492 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) [2022-02-09 01:58:27,523 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 [2022-02-09 01:58:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 01:58:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 01:58:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 01:58:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 01:58:27,539 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 01:58:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 01:58:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 01:58:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 01:58:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 01:58:27,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 01:58:27,541 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 01:58:27,684 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 01:58:27,685 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 01:58:27,872 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 01:58:27,879 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 01:58:27,879 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-09 01:58:27,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:58:27 BoogieIcfgContainer [2022-02-09 01:58:27,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 01:58:27,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 01:58:27,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 01:58:27,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 01:58:27,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 01:58:26" (1/3) ... [2022-02-09 01:58:27,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35832b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:58:27, skipping insertion in model container [2022-02-09 01:58:27,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:27" (2/3) ... [2022-02-09 01:58:27,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35832b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:58:27, skipping insertion in model container [2022-02-09 01:58:27,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:58:27" (3/3) ... [2022-02-09 01:58:27,888 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_03-funloop_simple.i [2022-02-09 01:58:27,892 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 01:58:27,892 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 01:58:27,892 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-02-09 01:58:27,892 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 01:58:27,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:27,961 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 01:58:27,998 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 01:58:28,006 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 [2022-02-09 01:58:28,006 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-02-09 01:58:28,020 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 125 transitions, 255 flow [2022-02-09 01:58:28,133 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2213 states, 2199 states have (on average 2.0427467030468396) internal successors, (4492), 2212 states have internal predecessors, (4492), 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) [2022-02-09 01:58:28,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 2213 states, 2199 states have (on average 2.0427467030468396) internal successors, (4492), 2212 states have internal predecessors, (4492), 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) [2022-02-09 01:58:28,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-09 01:58:28,147 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:28,148 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] [2022-02-09 01:58:28,148 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:28,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:28,157 INFO L85 PathProgramCache]: Analyzing trace with hash 397060765, now seen corresponding path program 1 times [2022-02-09 01:58:28,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:28,164 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764172361] [2022-02-09 01:58:28,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:28,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:28,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:28,321 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:28,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764172361] [2022-02-09 01:58:28,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764172361] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:28,322 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:28,323 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 01:58:28,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885863435] [2022-02-09 01:58:28,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:28,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 01:58:28,332 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:28,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 01:58:28,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 01:58:28,380 INFO L87 Difference]: Start difference. First operand has 2213 states, 2199 states have (on average 2.0427467030468396) internal successors, (4492), 2212 states have internal predecessors, (4492), 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 14.5) internal successors, (29), 2 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) [2022-02-09 01:58:28,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:28,480 INFO L93 Difference]: Finished difference Result 2213 states and 4404 transitions. [2022-02-09 01:58:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 01:58:28,484 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 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 [2022-02-09 01:58:28,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:28,512 INFO L225 Difference]: With dead ends: 2213 [2022-02-09 01:58:28,512 INFO L226 Difference]: Without dead ends: 2213 [2022-02-09 01:58:28,514 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 [2022-02-09 01:58:28,517 INFO L933 BasicCegarLoop]: 120 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, 120 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 [2022-02-09 01:58:28,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:28,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2022-02-09 01:58:28,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2022-02-09 01:58:28,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 2199 states have (on average 2.0027285129604366) internal successors, (4404), 2212 states have internal predecessors, (4404), 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) [2022-02-09 01:58:28,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 4404 transitions. [2022-02-09 01:58:28,669 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 4404 transitions. Word has length 29 [2022-02-09 01:58:28,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:28,670 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 4404 transitions. [2022-02-09 01:58:28,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 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) [2022-02-09 01:58:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 4404 transitions. [2022-02-09 01:58:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-09 01:58:28,678 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:28,678 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] [2022-02-09 01:58:28,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 01:58:28,679 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:28,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:28,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1657093153, now seen corresponding path program 1 times [2022-02-09 01:58:28,686 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:28,686 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081048720] [2022-02-09 01:58:28,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:28,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:28,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:28,774 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081048720] [2022-02-09 01:58:28,774 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081048720] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:28,774 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:28,774 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 01:58:28,774 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492661747] [2022-02-09 01:58:28,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:28,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 01:58:28,776 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:28,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 01:58:28,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 01:58:28,777 INFO L87 Difference]: Start difference. First operand 2213 states and 4404 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) 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) [2022-02-09 01:58:28,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:28,811 INFO L93 Difference]: Finished difference Result 2217 states and 4408 transitions. [2022-02-09 01:58:28,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 01:58:28,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) 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 [2022-02-09 01:58:28,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:28,857 INFO L225 Difference]: With dead ends: 2217 [2022-02-09 01:58:28,857 INFO L226 Difference]: Without dead ends: 2217 [2022-02-09 01:58:28,857 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 [2022-02-09 01:58:28,859 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 3 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 230 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 [2022-02-09 01:58:28,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 230 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:28,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2022-02-09 01:58:28,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2214. [2022-02-09 01:58:28,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 2200 states have (on average 2.0022727272727274) internal successors, (4405), 2213 states have internal predecessors, (4405), 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) [2022-02-09 01:58:28,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 4405 transitions. [2022-02-09 01:58:28,950 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 4405 transitions. Word has length 29 [2022-02-09 01:58:28,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:28,951 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 4405 transitions. [2022-02-09 01:58:28,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) 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) [2022-02-09 01:58:28,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 4405 transitions. [2022-02-09 01:58:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-09 01:58:28,952 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:28,952 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] [2022-02-09 01:58:28,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 01:58:28,953 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:28,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:28,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1891473138, now seen corresponding path program 1 times [2022-02-09 01:58:28,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:28,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206901878] [2022-02-09 01:58:28,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:28,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:29,019 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:29,019 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206901878] [2022-02-09 01:58:29,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206901878] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:29,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876170514] [2022-02-09 01:58:29,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:29,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:29,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:29,022 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) [2022-02-09 01:58:29,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-09 01:58:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:29,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-09 01:58:29,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:29,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 01:58:29,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:29,245 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876170514] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:29,246 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:29,246 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-02-09 01:58:29,246 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954571973] [2022-02-09 01:58:29,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:29,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 01:58:29,246 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:29,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 01:58:29,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:29,247 INFO L87 Difference]: Start difference. First operand 2214 states and 4405 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) 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) [2022-02-09 01:58:29,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:29,292 INFO L93 Difference]: Finished difference Result 3324 states and 6625 transitions. [2022-02-09 01:58:29,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 01:58:29,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) 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 [2022-02-09 01:58:29,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:29,305 INFO L225 Difference]: With dead ends: 3324 [2022-02-09 01:58:29,305 INFO L226 Difference]: Without dead ends: 3324 [2022-02-09 01:58:29,306 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 [2022-02-09 01:58:29,309 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 66 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:29,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 266 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:29,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2022-02-09 01:58:29,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 2251. [2022-02-09 01:58:29,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 2237 states have (on average 2.002235136343317) internal successors, (4479), 2250 states have internal predecessors, (4479), 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) [2022-02-09 01:58:29,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 4479 transitions. [2022-02-09 01:58:29,374 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 4479 transitions. Word has length 34 [2022-02-09 01:58:29,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:29,374 INFO L470 AbstractCegarLoop]: Abstraction has 2251 states and 4479 transitions. [2022-02-09 01:58:29,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) 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) [2022-02-09 01:58:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 4479 transitions. [2022-02-09 01:58:29,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-09 01:58:29,377 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:29,378 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:29,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:29,592 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 [2022-02-09 01:58:29,592 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:29,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:29,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1317859348, now seen corresponding path program 1 times [2022-02-09 01:58:29,593 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:29,593 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693914715] [2022-02-09 01:58:29,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:29,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:29,658 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:29,658 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693914715] [2022-02-09 01:58:29,659 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693914715] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:29,659 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261227105] [2022-02-09 01:58:29,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:29,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:29,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:29,663 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) [2022-02-09 01:58:29,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 01:58:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:29,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 01:58:29,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:29,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:29,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 01:58:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:29,960 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261227105] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 01:58:29,960 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 01:58:29,960 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-09 01:58:29,961 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894762757] [2022-02-09 01:58:29,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 01:58:29,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:29,965 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:29,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:29,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:29,967 INFO L87 Difference]: Start difference. First operand 2251 states and 4479 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 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) [2022-02-09 01:58:30,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:30,056 INFO L93 Difference]: Finished difference Result 2261 states and 4489 transitions. [2022-02-09 01:58:30,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 01:58:30,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 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 40 [2022-02-09 01:58:30,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:30,065 INFO L225 Difference]: With dead ends: 2261 [2022-02-09 01:58:30,065 INFO L226 Difference]: Without dead ends: 2261 [2022-02-09 01:58:30,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-09 01:58:30,069 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 11 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:30,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 799 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:30,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2022-02-09 01:58:30,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 2261. [2022-02-09 01:58:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2261 states, 2247 states have (on average 1.997774810858923) internal successors, (4489), 2260 states have internal predecessors, (4489), 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) [2022-02-09 01:58:30,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 4489 transitions. [2022-02-09 01:58:30,144 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 4489 transitions. Word has length 40 [2022-02-09 01:58:30,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:30,145 INFO L470 AbstractCegarLoop]: Abstraction has 2261 states and 4489 transitions. [2022-02-09 01:58:30,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 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) [2022-02-09 01:58:30,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 4489 transitions. [2022-02-09 01:58:30,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-09 01:58:30,146 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:30,146 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, 1] [2022-02-09 01:58:30,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:30,361 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 [2022-02-09 01:58:30,362 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:30,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:30,362 INFO L85 PathProgramCache]: Analyzing trace with hash -626594124, now seen corresponding path program 2 times [2022-02-09 01:58:30,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:30,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474553853] [2022-02-09 01:58:30,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:30,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:30,479 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:30,480 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474553853] [2022-02-09 01:58:30,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474553853] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:30,480 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953577628] [2022-02-09 01:58:30,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 01:58:30,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:30,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:30,481 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) [2022-02-09 01:58:30,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 01:58:30,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 01:58:30,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:58:30,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-09 01:58:30,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:30,650 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 01:58:30,672 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-02-09 01:58:30,672 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-02-09 01:58:30,716 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-02-09 01:58:30,716 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-02-09 01:58:30,780 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-02-09 01:58:30,780 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-02-09 01:58:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-09 01:58:30,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:30,804 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953577628] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:30,804 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:30,804 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-02-09 01:58:30,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401281046] [2022-02-09 01:58:30,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:30,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:58:30,805 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:30,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:58:30,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-09 01:58:30,806 INFO L87 Difference]: Start difference. First operand 2261 states and 4489 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2022-02-09 01:58:31,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:31,000 INFO L93 Difference]: Finished difference Result 2530 states and 5027 transitions. [2022-02-09 01:58:31,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 01:58:31,001 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 50 [2022-02-09 01:58:31,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:31,011 INFO L225 Difference]: With dead ends: 2530 [2022-02-09 01:58:31,011 INFO L226 Difference]: Without dead ends: 2530 [2022-02-09 01:58:31,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-09 01:58:31,012 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 124 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:31,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 470 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:58:31,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2022-02-09 01:58:31,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2394. [2022-02-09 01:58:31,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2394 states, 2380 states have (on average 1.9978991596638656) internal successors, (4755), 2393 states have internal predecessors, (4755), 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) [2022-02-09 01:58:31,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2394 states and 4755 transitions. [2022-02-09 01:58:31,063 INFO L78 Accepts]: Start accepts. Automaton has 2394 states and 4755 transitions. Word has length 50 [2022-02-09 01:58:31,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:31,065 INFO L470 AbstractCegarLoop]: Abstraction has 2394 states and 4755 transitions. [2022-02-09 01:58:31,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2022-02-09 01:58:31,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 4755 transitions. [2022-02-09 01:58:31,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-09 01:58:31,066 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:31,066 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, 1] [2022-02-09 01:58:31,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:31,279 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 [2022-02-09 01:58:31,279 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:31,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:31,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1030322137, now seen corresponding path program 1 times [2022-02-09 01:58:31,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:31,280 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475464660] [2022-02-09 01:58:31,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:31,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:31,388 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:31,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475464660] [2022-02-09 01:58:31,390 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475464660] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:31,390 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570213046] [2022-02-09 01:58:31,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:31,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:31,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:31,392 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) [2022-02-09 01:58:31,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 01:58:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:31,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-09 01:58:31,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:31,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 01:58:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:31,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570213046] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 01:58:31,705 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 01:58:31,706 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-09 01:58:31,706 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512491034] [2022-02-09 01:58:31,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 01:58:31,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-09 01:58:31,706 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:31,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-09 01:58:31,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:58:31,707 INFO L87 Difference]: Start difference. First operand 2394 states and 4755 transitions. Second operand has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 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) [2022-02-09 01:58:31,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:31,850 INFO L93 Difference]: Finished difference Result 2414 states and 4775 transitions. [2022-02-09 01:58:31,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-09 01:58:31,851 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 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 50 [2022-02-09 01:58:31,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:31,860 INFO L225 Difference]: With dead ends: 2414 [2022-02-09 01:58:31,860 INFO L226 Difference]: Without dead ends: 2414 [2022-02-09 01:58:31,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-02-09 01:58:31,862 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 44 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:31,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 578 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:31,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2022-02-09 01:58:31,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2414. [2022-02-09 01:58:31,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 2400 states have (on average 1.9895833333333333) internal successors, (4775), 2413 states have internal predecessors, (4775), 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) [2022-02-09 01:58:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 4775 transitions. [2022-02-09 01:58:31,919 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 4775 transitions. Word has length 50 [2022-02-09 01:58:31,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:31,919 INFO L470 AbstractCegarLoop]: Abstraction has 2414 states and 4775 transitions. [2022-02-09 01:58:31,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.0) internal successors, (72), 18 states have internal predecessors, (72), 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) [2022-02-09 01:58:31,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4775 transitions. [2022-02-09 01:58:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-02-09 01:58:31,921 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:31,921 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, 1] [2022-02-09 01:58:31,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:32,145 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 [2022-02-09 01:58:32,145 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:32,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:32,146 INFO L85 PathProgramCache]: Analyzing trace with hash -461165209, now seen corresponding path program 2 times [2022-02-09 01:58:32,146 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:32,146 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906755147] [2022-02-09 01:58:32,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:32,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:32,324 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:32,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906755147] [2022-02-09 01:58:32,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906755147] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:32,325 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750758431] [2022-02-09 01:58:32,325 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 01:58:32,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:32,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:32,326 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) [2022-02-09 01:58:32,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 01:58:32,400 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 01:58:32,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:58:32,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-09 01:58:32,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:32,561 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 01:58:32,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:58:32,589 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-09 01:58:32,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:58:32,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:58:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:58:32,635 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 01:58:32,636 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-02-09 01:58:32,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:58:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:58:32,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:58:32,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:58:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:58:32,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:58:32,676 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 01:58:32,676 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-02-09 01:58:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-02-09 01:58:32,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:32,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750758431] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:32,705 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:32,706 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 25 [2022-02-09 01:58:32,706 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111569733] [2022-02-09 01:58:32,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:32,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:32,706 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:32,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:32,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2022-02-09 01:58:32,707 INFO L87 Difference]: Start difference. First operand 2414 states and 4775 transitions. Second operand has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 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) [2022-02-09 01:58:33,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:33,345 INFO L93 Difference]: Finished difference Result 5208 states and 10363 transitions. [2022-02-09 01:58:33,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:58:33,345 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 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 70 [2022-02-09 01:58:33,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:33,364 INFO L225 Difference]: With dead ends: 5208 [2022-02-09 01:58:33,364 INFO L226 Difference]: Without dead ends: 5208 [2022-02-09 01:58:33,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=869, Unknown=0, NotChecked=0, Total=1056 [2022-02-09 01:58:33,365 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 777 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:33,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [777 Valid, 1156 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:58:33,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5208 states. [2022-02-09 01:58:33,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5208 to 3194. [2022-02-09 01:58:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3180 states have (on average 1.9921383647798743) internal successors, (6335), 3193 states have internal predecessors, (6335), 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) [2022-02-09 01:58:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 6335 transitions. [2022-02-09 01:58:33,446 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 6335 transitions. Word has length 70 [2022-02-09 01:58:33,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:33,446 INFO L470 AbstractCegarLoop]: Abstraction has 3194 states and 6335 transitions. [2022-02-09 01:58:33,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 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) [2022-02-09 01:58:33,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 6335 transitions. [2022-02-09 01:58:33,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-02-09 01:58:33,448 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:33,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:33,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:33,663 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 [2022-02-09 01:58:33,664 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:33,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:33,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1158747276, now seen corresponding path program 1 times [2022-02-09 01:58:33,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:33,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174408212] [2022-02-09 01:58:33,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:33,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:33,833 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:33,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174408212] [2022-02-09 01:58:33,833 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174408212] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:33,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846243726] [2022-02-09 01:58:33,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:33,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:33,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:33,834 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) [2022-02-09 01:58:33,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 01:58:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:33,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-09 01:58:33,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:34,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 01:58:34,227 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:34,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846243726] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 01:58:34,227 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 01:58:34,227 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-02-09 01:58:34,227 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192270623] [2022-02-09 01:58:34,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 01:58:34,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-09 01:58:34,228 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:34,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-09 01:58:34,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-02-09 01:58:34,229 INFO L87 Difference]: Start difference. First operand 3194 states and 6335 transitions. Second operand has 23 states, 23 states have (on average 4.130434782608695) internal successors, (95), 23 states have internal predecessors, (95), 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) [2022-02-09 01:58:34,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:34,490 INFO L93 Difference]: Finished difference Result 3209 states and 6350 transitions. [2022-02-09 01:58:34,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 01:58:34,490 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.130434782608695) internal successors, (95), 23 states have internal predecessors, (95), 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 78 [2022-02-09 01:58:34,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:34,497 INFO L225 Difference]: With dead ends: 3209 [2022-02-09 01:58:34,497 INFO L226 Difference]: Without dead ends: 3209 [2022-02-09 01:58:34,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 01:58:34,498 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 45 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:34,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 690 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:58:34,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3209 states. [2022-02-09 01:58:34,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3209 to 3209. [2022-02-09 01:58:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3209 states, 3195 states have (on average 1.9874804381846636) internal successors, (6350), 3208 states have internal predecessors, (6350), 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) [2022-02-09 01:58:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 3209 states and 6350 transitions. [2022-02-09 01:58:34,549 INFO L78 Accepts]: Start accepts. Automaton has 3209 states and 6350 transitions. Word has length 78 [2022-02-09 01:58:34,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:34,550 INFO L470 AbstractCegarLoop]: Abstraction has 3209 states and 6350 transitions. [2022-02-09 01:58:34,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.130434782608695) internal successors, (95), 23 states have internal predecessors, (95), 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) [2022-02-09 01:58:34,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 6350 transitions. [2022-02-09 01:58:34,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-09 01:58:34,551 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:34,551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:34,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-09 01:58:34,767 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 [2022-02-09 01:58:34,768 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:34,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:34,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1991683229, now seen corresponding path program 2 times [2022-02-09 01:58:34,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:34,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455637486] [2022-02-09 01:58:34,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:34,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:34,859 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:34,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:34,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455637486] [2022-02-09 01:58:34,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455637486] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:34,860 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:34,860 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 01:58:34,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598851054] [2022-02-09 01:58:34,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:34,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:58:34,860 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:34,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:58:34,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:34,861 INFO L87 Difference]: Start difference. First operand 3209 states and 6350 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-02-09 01:58:35,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:35,012 INFO L93 Difference]: Finished difference Result 3447 states and 6826 transitions. [2022-02-09 01:58:35,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 01:58:35,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 93 [2022-02-09 01:58:35,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:35,020 INFO L225 Difference]: With dead ends: 3447 [2022-02-09 01:58:35,020 INFO L226 Difference]: Without dead ends: 3447 [2022-02-09 01:58:35,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:35,021 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 122 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:35,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 467 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 01:58:35,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2022-02-09 01:58:35,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 3333. [2022-02-09 01:58:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3333 states, 3319 states have (on average 1.9879481771617957) internal successors, (6598), 3332 states have internal predecessors, (6598), 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) [2022-02-09 01:58:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 3333 states and 6598 transitions. [2022-02-09 01:58:35,073 INFO L78 Accepts]: Start accepts. Automaton has 3333 states and 6598 transitions. Word has length 93 [2022-02-09 01:58:35,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:35,073 INFO L470 AbstractCegarLoop]: Abstraction has 3333 states and 6598 transitions. [2022-02-09 01:58:35,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-02-09 01:58:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 6598 transitions. [2022-02-09 01:58:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-09 01:58:35,074 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:35,075 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:35,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-09 01:58:35,075 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:35,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:35,075 INFO L85 PathProgramCache]: Analyzing trace with hash 698436477, now seen corresponding path program 1 times [2022-02-09 01:58:35,076 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:35,076 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612584800] [2022-02-09 01:58:35,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:35,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:35,187 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:35,187 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:35,188 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612584800] [2022-02-09 01:58:35,188 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612584800] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:35,188 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:35,188 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 01:58:35,190 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015354597] [2022-02-09 01:58:35,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:35,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:58:35,190 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:35,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:58:35,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:35,191 INFO L87 Difference]: Start difference. First operand 3333 states and 6598 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-02-09 01:58:35,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:35,516 INFO L93 Difference]: Finished difference Result 3744 states and 7420 transitions. [2022-02-09 01:58:35,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 01:58:35,544 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 93 [2022-02-09 01:58:35,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:35,552 INFO L225 Difference]: With dead ends: 3744 [2022-02-09 01:58:35,552 INFO L226 Difference]: Without dead ends: 3744 [2022-02-09 01:58:35,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:35,552 INFO L933 BasicCegarLoop]: 259 mSDtfsCounter, 179 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:35,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 667 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:58:35,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-02-09 01:58:35,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3555. [2022-02-09 01:58:35,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3555 states, 3541 states have (on average 1.9887037560011296) internal successors, (7042), 3554 states have internal predecessors, (7042), 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) [2022-02-09 01:58:35,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 7042 transitions. [2022-02-09 01:58:35,605 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 7042 transitions. Word has length 93 [2022-02-09 01:58:35,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:35,606 INFO L470 AbstractCegarLoop]: Abstraction has 3555 states and 7042 transitions. [2022-02-09 01:58:35,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-02-09 01:58:35,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 7042 transitions. [2022-02-09 01:58:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:35,608 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:35,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:35,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-09 01:58:35,608 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:35,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:35,609 INFO L85 PathProgramCache]: Analyzing trace with hash 2140772307, now seen corresponding path program 1 times [2022-02-09 01:58:35,609 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:35,609 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301506024] [2022-02-09 01:58:35,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:35,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:35,960 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:35,960 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301506024] [2022-02-09 01:58:35,960 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301506024] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:35,960 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:35,961 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:58:35,961 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928162772] [2022-02-09 01:58:35,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:35,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:35,961 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:35,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:35,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:35,962 INFO L87 Difference]: Start difference. First operand 3555 states and 7042 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:37,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:37,076 INFO L93 Difference]: Finished difference Result 10906 states and 21701 transitions. [2022-02-09 01:58:37,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-09 01:58:37,076 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:37,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:37,102 INFO L225 Difference]: With dead ends: 10906 [2022-02-09 01:58:37,102 INFO L226 Difference]: Without dead ends: 10906 [2022-02-09 01:58:37,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=200, Invalid=450, Unknown=0, NotChecked=0, Total=650 [2022-02-09 01:58:37,103 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 1458 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:37,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1458 Valid, 1112 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:58:37,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2022-02-09 01:58:37,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 3614. [2022-02-09 01:58:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3614 states, 3600 states have (on average 1.9783333333333333) internal successors, (7122), 3613 states have internal predecessors, (7122), 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) [2022-02-09 01:58:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3614 states to 3614 states and 7122 transitions. [2022-02-09 01:58:37,204 INFO L78 Accepts]: Start accepts. Automaton has 3614 states and 7122 transitions. Word has length 105 [2022-02-09 01:58:37,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:37,204 INFO L470 AbstractCegarLoop]: Abstraction has 3614 states and 7122 transitions. [2022-02-09 01:58:37,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:37,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 7122 transitions. [2022-02-09 01:58:37,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:37,207 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:37,207 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:37,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-09 01:58:37,207 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:37,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:37,208 INFO L85 PathProgramCache]: Analyzing trace with hash 2141977043, now seen corresponding path program 2 times [2022-02-09 01:58:37,208 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:37,208 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74782515] [2022-02-09 01:58:37,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:37,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:37,498 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:58:37,498 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:37,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74782515] [2022-02-09 01:58:37,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74782515] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:37,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147107744] [2022-02-09 01:58:37,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 01:58:37,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:37,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:37,500 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:37,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 01:58:37,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 01:58:37,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:58:37,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:58:37,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:37,905 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:58:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:37,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:37,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147107744] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:37,975 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:37,975 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:58:37,975 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838759451] [2022-02-09 01:58:37,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:37,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:37,976 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:37,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:37,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:58:37,977 INFO L87 Difference]: Start difference. First operand 3614 states and 7122 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:38,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:38,637 INFO L93 Difference]: Finished difference Result 10114 states and 20103 transitions. [2022-02-09 01:58:38,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 01:58:38,637 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:38,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:38,659 INFO L225 Difference]: With dead ends: 10114 [2022-02-09 01:58:38,659 INFO L226 Difference]: Without dead ends: 10114 [2022-02-09 01:58:38,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=663, Unknown=0, NotChecked=0, Total=812 [2022-02-09 01:58:38,660 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 931 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 1446 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:38,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 1446 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:58:38,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10114 states. [2022-02-09 01:58:38,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10114 to 3652. [2022-02-09 01:58:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 3638 states have (on average 1.9785596481583287) internal successors, (7198), 3651 states have internal predecessors, (7198), 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) [2022-02-09 01:58:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 7198 transitions. [2022-02-09 01:58:38,788 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 7198 transitions. Word has length 105 [2022-02-09 01:58:38,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:38,789 INFO L470 AbstractCegarLoop]: Abstraction has 3652 states and 7198 transitions. [2022-02-09 01:58:38,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:38,789 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 7198 transitions. [2022-02-09 01:58:38,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:38,794 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:38,794 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:38,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:39,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:39,017 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:39,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:39,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1328247691, now seen corresponding path program 3 times [2022-02-09 01:58:39,018 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:39,018 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751989531] [2022-02-09 01:58:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:39,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:39,352 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:58:39,352 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:39,352 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751989531] [2022-02-09 01:58:39,352 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751989531] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:39,352 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437135072] [2022-02-09 01:58:39,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 01:58:39,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:39,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:39,354 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:39,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 01:58:39,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-09 01:58:39,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:58:39,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:58:39,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:39,685 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:58:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:39,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:39,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437135072] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:39,763 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:39,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:58:39,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143826081] [2022-02-09 01:58:39,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:39,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:39,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:39,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:39,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:58:39,764 INFO L87 Difference]: Start difference. First operand 3652 states and 7198 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:40,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:40,280 INFO L93 Difference]: Finished difference Result 7639 states and 15153 transitions. [2022-02-09 01:58:40,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:58:40,280 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:40,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:40,296 INFO L225 Difference]: With dead ends: 7639 [2022-02-09 01:58:40,296 INFO L226 Difference]: Without dead ends: 7639 [2022-02-09 01:58:40,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2022-02-09 01:58:40,298 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 670 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:40,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [670 Valid, 1385 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:58:40,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7639 states. [2022-02-09 01:58:40,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7639 to 3709. [2022-02-09 01:58:40,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3709 states, 3695 states have (on average 1.9788903924221921) internal successors, (7312), 3708 states have internal predecessors, (7312), 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) [2022-02-09 01:58:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 3709 states and 7312 transitions. [2022-02-09 01:58:40,393 INFO L78 Accepts]: Start accepts. Automaton has 3709 states and 7312 transitions. Word has length 105 [2022-02-09 01:58:40,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:40,393 INFO L470 AbstractCegarLoop]: Abstraction has 3709 states and 7312 transitions. [2022-02-09 01:58:40,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:40,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3709 states and 7312 transitions. [2022-02-09 01:58:40,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:40,396 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:40,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:40,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:40,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-09 01:58:40,620 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:40,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:40,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1254368373, now seen corresponding path program 4 times [2022-02-09 01:58:40,620 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:40,620 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028058231] [2022-02-09 01:58:40,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:40,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:40,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:40,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028058231] [2022-02-09 01:58:40,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028058231] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:40,884 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:40,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:58:40,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987404531] [2022-02-09 01:58:40,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:40,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:40,884 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:40,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:40,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:40,885 INFO L87 Difference]: Start difference. First operand 3709 states and 7312 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:41,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:41,755 INFO L93 Difference]: Finished difference Result 10742 states and 21354 transitions. [2022-02-09 01:58:41,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 01:58:41,755 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:41,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:41,772 INFO L225 Difference]: With dead ends: 10742 [2022-02-09 01:58:41,772 INFO L226 Difference]: Without dead ends: 10742 [2022-02-09 01:58:41,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2022-02-09 01:58:41,773 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 997 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:41,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [997 Valid, 1663 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:58:41,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10742 states. [2022-02-09 01:58:41,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10742 to 3753. [2022-02-09 01:58:41,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 3739 states have (on average 1.9791388071676919) internal successors, (7400), 3752 states have internal predecessors, (7400), 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) [2022-02-09 01:58:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-02-09 01:58:41,880 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-02-09 01:58:41,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:41,881 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-02-09 01:58:41,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:41,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-02-09 01:58:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:41,883 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:41,883 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:41,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-09 01:58:41,884 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:41,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:41,884 INFO L85 PathProgramCache]: Analyzing trace with hash 995038829, now seen corresponding path program 5 times [2022-02-09 01:58:41,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:41,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118022208] [2022-02-09 01:58:41,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:41,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:42,113 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:42,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118022208] [2022-02-09 01:58:42,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118022208] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:42,113 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:42,113 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:58:42,114 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701928177] [2022-02-09 01:58:42,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:42,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:42,114 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:42,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:42,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:42,115 INFO L87 Difference]: Start difference. First operand 3753 states and 7400 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:43,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:43,235 INFO L93 Difference]: Finished difference Result 11398 states and 22628 transitions. [2022-02-09 01:58:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-09 01:58:43,236 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:43,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:43,247 INFO L225 Difference]: With dead ends: 11398 [2022-02-09 01:58:43,247 INFO L226 Difference]: Without dead ends: 11398 [2022-02-09 01:58:43,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=220, Invalid=536, Unknown=0, NotChecked=0, Total=756 [2022-02-09 01:58:43,248 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1213 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:43,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1213 Valid, 1510 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:58:43,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11398 states. [2022-02-09 01:58:43,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11398 to 3753. [2022-02-09 01:58:43,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 3739 states have (on average 1.9791388071676919) internal successors, (7400), 3752 states have internal predecessors, (7400), 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) [2022-02-09 01:58:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-02-09 01:58:43,336 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-02-09 01:58:43,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:43,337 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-02-09 01:58:43,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:43,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-02-09 01:58:43,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:43,339 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:43,340 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:43,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-09 01:58:43,340 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:43,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:43,340 INFO L85 PathProgramCache]: Analyzing trace with hash -242221847, now seen corresponding path program 6 times [2022-02-09 01:58:43,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:43,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732165884] [2022-02-09 01:58:43,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:43,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:58:43,541 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:43,541 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732165884] [2022-02-09 01:58:43,542 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732165884] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:43,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871301388] [2022-02-09 01:58:43,542 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 01:58:43,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:43,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:43,548 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:43,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 01:58:43,649 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-02-09 01:58:43,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:58:43,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:58:43,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:43,943 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:58:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:44,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:44,026 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871301388] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:44,026 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:44,026 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:58:44,027 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024666277] [2022-02-09 01:58:44,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:44,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:44,028 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:44,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:44,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:58:44,028 INFO L87 Difference]: Start difference. First operand 3753 states and 7400 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:45,305 INFO L93 Difference]: Finished difference Result 12415 states and 24633 transitions. [2022-02-09 01:58:45,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 01:58:45,306 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:45,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:45,327 INFO L225 Difference]: With dead ends: 12415 [2022-02-09 01:58:45,327 INFO L226 Difference]: Without dead ends: 12415 [2022-02-09 01:58:45,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 01:58:45,328 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 1163 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 1233 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:45,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1163 Valid, 1968 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1233 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 01:58:45,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12415 states. [2022-02-09 01:58:45,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12415 to 3753. [2022-02-09 01:58:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 3739 states have (on average 1.9791388071676919) internal successors, (7400), 3752 states have internal predecessors, (7400), 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) [2022-02-09 01:58:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 7400 transitions. [2022-02-09 01:58:45,428 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 7400 transitions. Word has length 105 [2022-02-09 01:58:45,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:45,428 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 7400 transitions. [2022-02-09 01:58:45,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:45,429 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 7400 transitions. [2022-02-09 01:58:45,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:45,431 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:45,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:45,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:45,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-09 01:58:45,647 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:45,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:45,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1512891989, now seen corresponding path program 7 times [2022-02-09 01:58:45,648 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:45,648 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275615813] [2022-02-09 01:58:45,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:45,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:45,892 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:58:45,892 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:45,892 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275615813] [2022-02-09 01:58:45,892 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275615813] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:45,892 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044231881] [2022-02-09 01:58:45,893 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 01:58:45,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:45,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:45,894 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:45,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 01:58:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:46,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:58:46,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:46,326 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:58:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:46,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:46,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044231881] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:46,434 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:46,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:58:46,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69649878] [2022-02-09 01:58:46,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:46,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:46,434 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:46,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:46,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:58:46,435 INFO L87 Difference]: Start difference. First operand 3753 states and 7400 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:47,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:47,211 INFO L93 Difference]: Finished difference Result 12372 states and 24614 transitions. [2022-02-09 01:58:47,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 01:58:47,211 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:47,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:47,227 INFO L225 Difference]: With dead ends: 12372 [2022-02-09 01:58:47,227 INFO L226 Difference]: Without dead ends: 12372 [2022-02-09 01:58:47,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2022-02-09 01:58:47,228 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 1039 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:47,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1039 Valid, 1818 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:58:47,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12372 states. [2022-02-09 01:58:47,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12372 to 3765. [2022-02-09 01:58:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3765 states, 3751 states have (on average 1.9792055451879498) internal successors, (7424), 3764 states have internal predecessors, (7424), 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) [2022-02-09 01:58:47,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 7424 transitions. [2022-02-09 01:58:47,325 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 7424 transitions. Word has length 105 [2022-02-09 01:58:47,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:47,326 INFO L470 AbstractCegarLoop]: Abstraction has 3765 states and 7424 transitions. [2022-02-09 01:58:47,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:47,326 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 7424 transitions. [2022-02-09 01:58:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:47,328 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:47,328 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:47,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:47,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-09 01:58:47,543 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:47,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:47,544 INFO L85 PathProgramCache]: Analyzing trace with hash 329331063, now seen corresponding path program 8 times [2022-02-09 01:58:47,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:47,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885543900] [2022-02-09 01:58:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:47,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:47,812 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:58:47,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:47,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885543900] [2022-02-09 01:58:47,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885543900] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:47,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010545067] [2022-02-09 01:58:47,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 01:58:47,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:47,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:47,816 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:47,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 01:58:47,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 01:58:47,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:58:47,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:58:47,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:48,237 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:58:48,317 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:48,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:48,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010545067] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:48,318 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:48,318 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:58:48,318 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308013272] [2022-02-09 01:58:48,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:48,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:48,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:48,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:48,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:58:48,319 INFO L87 Difference]: Start difference. First operand 3765 states and 7424 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:49,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:49,418 INFO L93 Difference]: Finished difference Result 13667 states and 27166 transitions. [2022-02-09 01:58:49,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 01:58:49,418 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:49,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:49,435 INFO L225 Difference]: With dead ends: 13667 [2022-02-09 01:58:49,435 INFO L226 Difference]: Without dead ends: 13667 [2022-02-09 01:58:49,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=305, Invalid=1417, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 01:58:49,436 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1565 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:49,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1565 Valid, 1726 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:58:49,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13667 states. [2022-02-09 01:58:49,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13667 to 3763. [2022-02-09 01:58:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3763 states, 3749 states have (on average 1.9791944518538276) internal successors, (7420), 3762 states have internal predecessors, (7420), 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) [2022-02-09 01:58:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 7420 transitions. [2022-02-09 01:58:49,572 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 7420 transitions. Word has length 105 [2022-02-09 01:58:49,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:49,572 INFO L470 AbstractCegarLoop]: Abstraction has 3763 states and 7420 transitions. [2022-02-09 01:58:49,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 7420 transitions. [2022-02-09 01:58:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:49,575 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:49,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:49,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:49,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-09 01:58:49,791 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:49,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:49,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1169606955, now seen corresponding path program 9 times [2022-02-09 01:58:49,792 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:49,792 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557029172] [2022-02-09 01:58:49,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:49,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:50,000 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:50,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:50,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557029172] [2022-02-09 01:58:50,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557029172] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:50,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:50,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:58:50,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881379613] [2022-02-09 01:58:50,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:50,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:50,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:50,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:50,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:50,003 INFO L87 Difference]: Start difference. First operand 3763 states and 7420 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:51,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:51,198 INFO L93 Difference]: Finished difference Result 12700 states and 25213 transitions. [2022-02-09 01:58:51,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 01:58:51,198 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:51,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:51,215 INFO L225 Difference]: With dead ends: 12700 [2022-02-09 01:58:51,215 INFO L226 Difference]: Without dead ends: 12700 [2022-02-09 01:58:51,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2022-02-09 01:58:51,216 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 1259 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1259 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:51,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1259 Valid, 1745 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:58:51,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12700 states. [2022-02-09 01:58:51,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12700 to 3765. [2022-02-09 01:58:51,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3765 states, 3751 states have (on average 1.9792055451879498) internal successors, (7424), 3764 states have internal predecessors, (7424), 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) [2022-02-09 01:58:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 7424 transitions. [2022-02-09 01:58:51,328 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 7424 transitions. Word has length 105 [2022-02-09 01:58:51,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:51,328 INFO L470 AbstractCegarLoop]: Abstraction has 3765 states and 7424 transitions. [2022-02-09 01:58:51,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:51,329 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 7424 transitions. [2022-02-09 01:58:51,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:51,331 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:51,331 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:51,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-09 01:58:51,331 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:51,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:51,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1170811691, now seen corresponding path program 10 times [2022-02-09 01:58:51,332 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:51,332 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013736540] [2022-02-09 01:58:51,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:51,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:58:51,525 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:51,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013736540] [2022-02-09 01:58:51,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013736540] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:51,525 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179116822] [2022-02-09 01:58:51,525 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 01:58:51,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:51,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:51,528 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:51,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 01:58:51,739 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 01:58:51,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:58:51,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-09 01:58:51,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:51,918 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:58:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:51,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:51,958 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179116822] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:51,958 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:51,958 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-02-09 01:58:51,958 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753956318] [2022-02-09 01:58:51,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:51,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 01:58:51,958 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:51,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 01:58:51,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:58:51,959 INFO L87 Difference]: Start difference. First operand 3765 states and 7424 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2022-02-09 01:58:52,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:52,696 INFO L93 Difference]: Finished difference Result 13250 states and 26322 transitions. [2022-02-09 01:58:52,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 01:58:52,697 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:52,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:52,713 INFO L225 Difference]: With dead ends: 13250 [2022-02-09 01:58:52,714 INFO L226 Difference]: Without dead ends: 13250 [2022-02-09 01:58:52,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=226, Invalid=1034, Unknown=0, NotChecked=0, Total=1260 [2022-02-09 01:58:52,715 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 1188 mSDsluCounter, 1809 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 2168 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:52,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1188 Valid, 2168 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:58:52,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13250 states. [2022-02-09 01:58:52,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13250 to 3759. [2022-02-09 01:58:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3759 states, 3745 states have (on average 1.9791722296395193) internal successors, (7412), 3758 states have internal predecessors, (7412), 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) [2022-02-09 01:58:52,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 7412 transitions. [2022-02-09 01:58:52,814 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 7412 transitions. Word has length 105 [2022-02-09 01:58:52,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:52,814 INFO L470 AbstractCegarLoop]: Abstraction has 3759 states and 7412 transitions. [2022-02-09 01:58:52,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2022-02-09 01:58:52,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 7412 transitions. [2022-02-09 01:58:52,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:52,816 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:52,816 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:52,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:53,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:53,026 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:53,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:53,026 INFO L85 PathProgramCache]: Analyzing trace with hash -250583287, now seen corresponding path program 11 times [2022-02-09 01:58:53,026 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:53,026 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52517079] [2022-02-09 01:58:53,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:53,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:53,284 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:53,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52517079] [2022-02-09 01:58:53,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52517079] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:53,284 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:53,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:58:53,284 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083747661] [2022-02-09 01:58:53,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:53,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:53,285 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:53,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:53,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:53,285 INFO L87 Difference]: Start difference. First operand 3759 states and 7412 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:54,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:54,026 INFO L93 Difference]: Finished difference Result 10658 states and 21186 transitions. [2022-02-09 01:58:54,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 01:58:54,026 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:54,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:54,041 INFO L225 Difference]: With dead ends: 10658 [2022-02-09 01:58:54,041 INFO L226 Difference]: Without dead ends: 10658 [2022-02-09 01:58:54,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-02-09 01:58:54,042 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 798 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:54,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [798 Valid, 1559 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:58:54,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10658 states. [2022-02-09 01:58:54,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10658 to 3764. [2022-02-09 01:58:54,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3764 states, 3750 states have (on average 1.9792) internal successors, (7422), 3763 states have internal predecessors, (7422), 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) [2022-02-09 01:58:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3764 states to 3764 states and 7422 transitions. [2022-02-09 01:58:54,134 INFO L78 Accepts]: Start accepts. Automaton has 3764 states and 7422 transitions. Word has length 105 [2022-02-09 01:58:54,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:54,134 INFO L470 AbstractCegarLoop]: Abstraction has 3764 states and 7422 transitions. [2022-02-09 01:58:54,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:54,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3764 states and 7422 transitions. [2022-02-09 01:58:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:54,137 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:54,137 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:54,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-09 01:58:54,137 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:54,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:54,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1591639765, now seen corresponding path program 12 times [2022-02-09 01:58:54,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:54,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971667936] [2022-02-09 01:58:54,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:54,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:54,405 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:54,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971667936] [2022-02-09 01:58:54,405 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971667936] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:54,405 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:54,405 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:58:54,405 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229186529] [2022-02-09 01:58:54,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:54,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:54,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:54,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:54,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:58:54,407 INFO L87 Difference]: Start difference. First operand 3764 states and 7422 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:55,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:55,333 INFO L93 Difference]: Finished difference Result 10302 states and 20436 transitions. [2022-02-09 01:58:55,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-09 01:58:55,334 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:55,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:55,350 INFO L225 Difference]: With dead ends: 10302 [2022-02-09 01:58:55,350 INFO L226 Difference]: Without dead ends: 10302 [2022-02-09 01:58:55,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-02-09 01:58:55,351 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1124 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 1601 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:55,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1124 Valid, 1601 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1162 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:58:55,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10302 states. [2022-02-09 01:58:55,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10302 to 3762. [2022-02-09 01:58:55,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3762 states, 3748 states have (on average 1.979188900747065) internal successors, (7418), 3761 states have internal predecessors, (7418), 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) [2022-02-09 01:58:55,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 3762 states and 7418 transitions. [2022-02-09 01:58:55,421 INFO L78 Accepts]: Start accepts. Automaton has 3762 states and 7418 transitions. Word has length 105 [2022-02-09 01:58:55,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:55,421 INFO L470 AbstractCegarLoop]: Abstraction has 3762 states and 7418 transitions. [2022-02-09 01:58:55,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:55,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3762 states and 7418 transitions. [2022-02-09 01:58:55,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:55,424 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:55,424 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:55,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-09 01:58:55,424 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:55,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:55,424 INFO L85 PathProgramCache]: Analyzing trace with hash -683316785, now seen corresponding path program 13 times [2022-02-09 01:58:55,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:55,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764237757] [2022-02-09 01:58:55,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:55,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:58:55,739 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:55,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764237757] [2022-02-09 01:58:55,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764237757] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:55,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666230724] [2022-02-09 01:58:55,740 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 01:58:55,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:55,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:55,741 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:55,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-09 01:58:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:55,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:58:55,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:56,127 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:58:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:56,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:56,236 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666230724] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:56,236 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:56,236 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:58:56,236 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620426008] [2022-02-09 01:58:56,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:56,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:56,237 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:56,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:56,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:58:56,237 INFO L87 Difference]: Start difference. First operand 3762 states and 7418 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:56,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:56,643 INFO L93 Difference]: Finished difference Result 6888 states and 13651 transitions. [2022-02-09 01:58:56,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:58:56,643 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:56,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:56,651 INFO L225 Difference]: With dead ends: 6888 [2022-02-09 01:58:56,652 INFO L226 Difference]: Without dead ends: 6888 [2022-02-09 01:58:56,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2022-02-09 01:58:56,652 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 538 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:56,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [538 Valid, 1365 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:58:56,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6888 states. [2022-02-09 01:58:56,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6888 to 3819. [2022-02-09 01:58:56,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3819 states, 3805 states have (on average 1.9795006570302234) internal successors, (7532), 3818 states have internal predecessors, (7532), 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) [2022-02-09 01:58:56,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 7532 transitions. [2022-02-09 01:58:56,708 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 7532 transitions. Word has length 105 [2022-02-09 01:58:56,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:56,708 INFO L470 AbstractCegarLoop]: Abstraction has 3819 states and 7532 transitions. [2022-02-09 01:58:56,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:56,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 7532 transitions. [2022-02-09 01:58:56,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:56,710 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:56,710 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:56,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-09 01:58:56,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-02-09 01:58:56,919 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:56,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:56,919 INFO L85 PathProgramCache]: Analyzing trace with hash 953131453, now seen corresponding path program 14 times [2022-02-09 01:58:56,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:56,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547395320] [2022-02-09 01:58:56,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:56,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:57,154 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:58:57,154 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:57,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547395320] [2022-02-09 01:58:57,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547395320] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:57,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197206510] [2022-02-09 01:58:57,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 01:58:57,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:57,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:57,156 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:57,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-09 01:58:57,299 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 01:58:57,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:58:57,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:58:57,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:57,521 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:58:57,662 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:57,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:57,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197206510] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:57,663 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:57,663 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:58:57,663 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473885393] [2022-02-09 01:58:57,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:57,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:57,663 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:57,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:57,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:58:57,664 INFO L87 Difference]: Start difference. First operand 3819 states and 7532 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:58,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:58,172 INFO L93 Difference]: Finished difference Result 7489 states and 14848 transitions. [2022-02-09 01:58:58,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:58:58,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:58,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:58,182 INFO L225 Difference]: With dead ends: 7489 [2022-02-09 01:58:58,182 INFO L226 Difference]: Without dead ends: 7489 [2022-02-09 01:58:58,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2022-02-09 01:58:58,183 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 734 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:58,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [734 Valid, 1456 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:58:58,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7489 states. [2022-02-09 01:58:58,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7489 to 3855. [2022-02-09 01:58:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3855 states, 3841 states have (on average 1.9796927883363706) internal successors, (7604), 3854 states have internal predecessors, (7604), 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) [2022-02-09 01:58:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-02-09 01:58:58,245 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-02-09 01:58:58,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:58,245 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-02-09 01:58:58,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:58,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-02-09 01:58:58,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:58,247 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:58,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:58,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-02-09 01:58:58,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:58,448 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:58:58,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:58,449 INFO L85 PathProgramCache]: Analyzing trace with hash -2066174343, now seen corresponding path program 15 times [2022-02-09 01:58:58,449 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:58,449 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013079274] [2022-02-09 01:58:58,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:58,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:58:58,718 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:58,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013079274] [2022-02-09 01:58:58,718 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013079274] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:58:58,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128085412] [2022-02-09 01:58:58,718 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 01:58:58,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:58:58,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:58,720 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:58:58,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-09 01:58:58,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-09 01:58:58,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:58:58,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:58:58,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:58:59,069 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:58:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:58:59,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:58:59,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128085412] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:59,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:58:59,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:58:59,191 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218250960] [2022-02-09 01:58:59,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:59,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:58:59,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:59,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:58:59,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:58:59,192 INFO L87 Difference]: Start difference. First operand 3855 states and 7604 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:59,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:59,731 INFO L93 Difference]: Finished difference Result 7446 states and 14748 transitions. [2022-02-09 01:58:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 01:58:59,731 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:58:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:59,741 INFO L225 Difference]: With dead ends: 7446 [2022-02-09 01:58:59,742 INFO L226 Difference]: Without dead ends: 7446 [2022-02-09 01:58:59,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-09 01:58:59,743 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 756 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:59,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [756 Valid, 1585 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:58:59,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7446 states. [2022-02-09 01:58:59,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7446 to 3858. [2022-02-09 01:58:59,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3858 states, 3844 states have (on average 1.9797086368366286) internal successors, (7610), 3857 states have internal predecessors, (7610), 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) [2022-02-09 01:58:59,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 7610 transitions. [2022-02-09 01:58:59,815 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 7610 transitions. Word has length 105 [2022-02-09 01:58:59,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:59,815 INFO L470 AbstractCegarLoop]: Abstraction has 3858 states and 7610 transitions. [2022-02-09 01:58:59,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:58:59,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 7610 transitions. [2022-02-09 01:58:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:58:59,817 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:59,817 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:59,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:00,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:00,031 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:00,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:00,031 INFO L85 PathProgramCache]: Analyzing trace with hash -397331165, now seen corresponding path program 16 times [2022-02-09 01:59:00,031 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:00,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447094970] [2022-02-09 01:59:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:00,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:00,281 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:00,281 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447094970] [2022-02-09 01:59:00,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447094970] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:00,281 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:00,281 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:00,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301423340] [2022-02-09 01:59:00,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:00,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:00,282 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:00,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:00,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:00,282 INFO L87 Difference]: Start difference. First operand 3858 states and 7610 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:01,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:01,074 INFO L93 Difference]: Finished difference Result 9241 states and 18333 transitions. [2022-02-09 01:59:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 01:59:01,075 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:01,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:01,087 INFO L225 Difference]: With dead ends: 9241 [2022-02-09 01:59:01,088 INFO L226 Difference]: Without dead ends: 9241 [2022-02-09 01:59:01,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2022-02-09 01:59:01,088 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 996 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:01,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [996 Valid, 1653 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:01,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9241 states. [2022-02-09 01:59:01,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9241 to 3860. [2022-02-09 01:59:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3860 states, 3846 states have (on average 1.9797191887675507) internal successors, (7614), 3859 states have internal predecessors, (7614), 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) [2022-02-09 01:59:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 7614 transitions. [2022-02-09 01:59:01,152 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 7614 transitions. Word has length 105 [2022-02-09 01:59:01,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:01,152 INFO L470 AbstractCegarLoop]: Abstraction has 3860 states and 7614 transitions. [2022-02-09 01:59:01,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:01,152 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 7614 transitions. [2022-02-09 01:59:01,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:01,153 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:01,154 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:01,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-09 01:59:01,154 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:01,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:01,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1444891887, now seen corresponding path program 17 times [2022-02-09 01:59:01,154 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:01,154 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397929047] [2022-02-09 01:59:01,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:01,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:01,431 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:01,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397929047] [2022-02-09 01:59:01,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397929047] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:01,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376448911] [2022-02-09 01:59:01,431 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 01:59:01,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:01,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:01,433 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:01,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-09 01:59:01,616 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-02-09 01:59:01,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:01,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:01,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:01,873 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:01,946 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:01,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:01,946 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376448911] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:01,946 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:01,946 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:01,946 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526090515] [2022-02-09 01:59:01,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:01,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:01,947 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:01,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:01,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:01,948 INFO L87 Difference]: Start difference. First operand 3860 states and 7614 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:03,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:03,125 INFO L93 Difference]: Finished difference Result 8162 states and 16156 transitions. [2022-02-09 01:59:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 01:59:03,126 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:03,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:03,138 INFO L225 Difference]: With dead ends: 8162 [2022-02-09 01:59:03,138 INFO L226 Difference]: Without dead ends: 8162 [2022-02-09 01:59:03,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=330, Invalid=1392, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 01:59:03,139 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1276 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:03,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1276 Valid, 1813 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:59:03,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8162 states. [2022-02-09 01:59:03,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8162 to 3855. [2022-02-09 01:59:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3855 states, 3841 states have (on average 1.9796927883363706) internal successors, (7604), 3854 states have internal predecessors, (7604), 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) [2022-02-09 01:59:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-02-09 01:59:03,207 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-02-09 01:59:03,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:03,207 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-02-09 01:59:03,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-02-09 01:59:03,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:03,209 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:03,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:03,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-02-09 01:59:03,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-02-09 01:59:03,409 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:03,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:03,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1422414237, now seen corresponding path program 18 times [2022-02-09 01:59:03,410 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:03,410 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821994676] [2022-02-09 01:59:03,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:03,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:03,644 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:03,644 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:03,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821994676] [2022-02-09 01:59:03,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821994676] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:03,645 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:03,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:03,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973662533] [2022-02-09 01:59:03,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:03,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:03,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:03,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:03,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:03,646 INFO L87 Difference]: Start difference. First operand 3855 states and 7604 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:04,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:04,202 INFO L93 Difference]: Finished difference Result 7798 states and 15433 transitions. [2022-02-09 01:59:04,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 01:59:04,203 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:04,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:04,211 INFO L225 Difference]: With dead ends: 7798 [2022-02-09 01:59:04,211 INFO L226 Difference]: Without dead ends: 7798 [2022-02-09 01:59:04,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-02-09 01:59:04,212 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 658 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:04,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [658 Valid, 1417 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:04,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7798 states. [2022-02-09 01:59:04,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7798 to 3864. [2022-02-09 01:59:04,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3864 states, 3850 states have (on average 1.9797402597402598) internal successors, (7622), 3863 states have internal predecessors, (7622), 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) [2022-02-09 01:59:04,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 7622 transitions. [2022-02-09 01:59:04,265 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 7622 transitions. Word has length 105 [2022-02-09 01:59:04,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:04,265 INFO L470 AbstractCegarLoop]: Abstraction has 3864 states and 7622 transitions. [2022-02-09 01:59:04,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:04,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 7622 transitions. [2022-02-09 01:59:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:04,267 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:04,268 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:04,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-09 01:59:04,268 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:04,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:04,268 INFO L85 PathProgramCache]: Analyzing trace with hash 246428941, now seen corresponding path program 19 times [2022-02-09 01:59:04,268 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:04,268 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026195375] [2022-02-09 01:59:04,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:04,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:04,478 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:04,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026195375] [2022-02-09 01:59:04,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026195375] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:04,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134215692] [2022-02-09 01:59:04,479 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 01:59:04,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:04,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:04,480 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:04,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-09 01:59:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:04,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:04,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:04,872 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:04,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:04,960 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134215692] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:04,961 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:04,961 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:04,961 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615395572] [2022-02-09 01:59:04,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:04,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:04,961 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:04,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:04,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:04,962 INFO L87 Difference]: Start difference. First operand 3864 states and 7622 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:05,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:05,737 INFO L93 Difference]: Finished difference Result 10886 states and 21585 transitions. [2022-02-09 01:59:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 01:59:05,737 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:05,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:05,749 INFO L225 Difference]: With dead ends: 10886 [2022-02-09 01:59:05,749 INFO L226 Difference]: Without dead ends: 10886 [2022-02-09 01:59:05,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=811, Unknown=0, NotChecked=0, Total=992 [2022-02-09 01:59:05,750 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 963 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:05,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [963 Valid, 1899 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:05,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10886 states. [2022-02-09 01:59:05,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10886 to 3866. [2022-02-09 01:59:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3866 states, 3852 states have (on average 1.9797507788161994) internal successors, (7626), 3865 states have internal predecessors, (7626), 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) [2022-02-09 01:59:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 7626 transitions. [2022-02-09 01:59:05,819 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 7626 transitions. Word has length 105 [2022-02-09 01:59:05,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:05,819 INFO L470 AbstractCegarLoop]: Abstraction has 3866 states and 7626 transitions. [2022-02-09 01:59:05,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 7626 transitions. [2022-02-09 01:59:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:05,821 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:05,821 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:05,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:06,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-02-09 01:59:06,027 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:06,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:06,027 INFO L85 PathProgramCache]: Analyzing trace with hash 2088651993, now seen corresponding path program 20 times [2022-02-09 01:59:06,027 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:06,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122690180] [2022-02-09 01:59:06,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:06,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:06,255 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:06,256 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:06,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122690180] [2022-02-09 01:59:06,256 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122690180] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:06,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566439034] [2022-02-09 01:59:06,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 01:59:06,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:06,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:06,260 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:06,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-09 01:59:06,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 01:59:06,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:06,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:06,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:06,697 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:06,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:06,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566439034] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:06,781 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:06,781 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:06,781 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329139638] [2022-02-09 01:59:06,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:06,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:06,781 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:06,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:06,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:06,782 INFO L87 Difference]: Start difference. First operand 3866 states and 7626 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:07,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:07,868 INFO L93 Difference]: Finished difference Result 9807 states and 19408 transitions. [2022-02-09 01:59:07,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 01:59:07,869 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:07,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:07,880 INFO L225 Difference]: With dead ends: 9807 [2022-02-09 01:59:07,880 INFO L226 Difference]: Without dead ends: 9807 [2022-02-09 01:59:07,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=295, Invalid=1345, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 01:59:07,881 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 1205 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1205 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:07,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1205 Valid, 1821 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:59:07,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9807 states. [2022-02-09 01:59:07,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9807 to 3861. [2022-02-09 01:59:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 3847 states have (on average 1.979724460618664) internal successors, (7616), 3860 states have internal predecessors, (7616), 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) [2022-02-09 01:59:07,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 7616 transitions. [2022-02-09 01:59:07,959 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 7616 transitions. Word has length 105 [2022-02-09 01:59:07,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:07,960 INFO L470 AbstractCegarLoop]: Abstraction has 3861 states and 7616 transitions. [2022-02-09 01:59:07,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:07,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 7616 transitions. [2022-02-09 01:59:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:07,962 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:07,962 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:07,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:08,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:08,171 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:08,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:08,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1543292729, now seen corresponding path program 21 times [2022-02-09 01:59:08,172 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:08,172 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121000277] [2022-02-09 01:59:08,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:08,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:08,373 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:08,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121000277] [2022-02-09 01:59:08,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121000277] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:08,374 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:08,374 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:08,374 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976792100] [2022-02-09 01:59:08,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:08,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:08,375 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:08,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:08,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:08,376 INFO L87 Difference]: Start difference. First operand 3861 states and 7616 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:09,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:09,389 INFO L93 Difference]: Finished difference Result 10607 states and 21041 transitions. [2022-02-09 01:59:09,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 01:59:09,390 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:09,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:09,403 INFO L225 Difference]: With dead ends: 10607 [2022-02-09 01:59:09,404 INFO L226 Difference]: Without dead ends: 10607 [2022-02-09 01:59:09,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-02-09 01:59:09,404 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 1002 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:09,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1002 Valid, 1721 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:59:09,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10607 states. [2022-02-09 01:59:09,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10607 to 3867. [2022-02-09 01:59:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3867 states, 3853 states have (on average 1.979756034259019) internal successors, (7628), 3866 states have internal predecessors, (7628), 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) [2022-02-09 01:59:09,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 7628 transitions. [2022-02-09 01:59:09,495 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 7628 transitions. Word has length 105 [2022-02-09 01:59:09,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:09,495 INFO L470 AbstractCegarLoop]: Abstraction has 3867 states and 7628 transitions. [2022-02-09 01:59:09,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:09,495 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 7628 transitions. [2022-02-09 01:59:09,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:09,496 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:09,496 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:09,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-09 01:59:09,497 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:09,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:09,497 INFO L85 PathProgramCache]: Analyzing trace with hash 298930323, now seen corresponding path program 22 times [2022-02-09 01:59:09,497 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:09,497 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381752859] [2022-02-09 01:59:09,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:09,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:09,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:09,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381752859] [2022-02-09 01:59:09,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381752859] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:09,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385311979] [2022-02-09 01:59:09,752 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 01:59:09,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:09,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:09,756 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:09,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-02-09 01:59:09,953 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 01:59:09,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:09,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-09 01:59:09,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:10,165 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:10,202 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:10,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:10,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385311979] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:10,202 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:10,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-02-09 01:59:10,203 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428724161] [2022-02-09 01:59:10,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:10,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 01:59:10,203 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:10,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 01:59:10,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:59:10,204 INFO L87 Difference]: Start difference. First operand 3867 states and 7628 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2022-02-09 01:59:11,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:11,284 INFO L93 Difference]: Finished difference Result 12510 states and 24809 transitions. [2022-02-09 01:59:11,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 01:59:11,284 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:11,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:11,301 INFO L225 Difference]: With dead ends: 12510 [2022-02-09 01:59:11,301 INFO L226 Difference]: Without dead ends: 12510 [2022-02-09 01:59:11,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=394, Invalid=1862, Unknown=0, NotChecked=0, Total=2256 [2022-02-09 01:59:11,302 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 1486 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 2129 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:11,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1486 Valid, 2129 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 01:59:11,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12510 states. [2022-02-09 01:59:11,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12510 to 3865. [2022-02-09 01:59:11,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3865 states, 3851 states have (on average 1.9797455206439887) internal successors, (7624), 3864 states have internal predecessors, (7624), 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) [2022-02-09 01:59:11,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 7624 transitions. [2022-02-09 01:59:11,410 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 7624 transitions. Word has length 105 [2022-02-09 01:59:11,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:11,410 INFO L470 AbstractCegarLoop]: Abstraction has 3865 states and 7624 transitions. [2022-02-09 01:59:11,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2022-02-09 01:59:11,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 7624 transitions. [2022-02-09 01:59:11,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:11,412 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:11,412 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:11,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:11,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:11,631 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:11,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:11,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1139206215, now seen corresponding path program 23 times [2022-02-09 01:59:11,632 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:11,632 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365208278] [2022-02-09 01:59:11,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:11,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:11,858 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:11,858 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:11,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365208278] [2022-02-09 01:59:11,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365208278] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:11,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826755583] [2022-02-09 01:59:11,858 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 01:59:11,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:11,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:11,860 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:11,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-02-09 01:59:12,023 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-02-09 01:59:12,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:12,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:12,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:12,268 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:12,332 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:12,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:12,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826755583] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:12,332 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:12,332 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:12,332 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035271565] [2022-02-09 01:59:12,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:12,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:12,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:12,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:12,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:12,333 INFO L87 Difference]: Start difference. First operand 3865 states and 7624 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:13,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:13,565 INFO L93 Difference]: Finished difference Result 9555 states and 18918 transitions. [2022-02-09 01:59:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 01:59:13,566 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:13,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:13,614 INFO L225 Difference]: With dead ends: 9555 [2022-02-09 01:59:13,614 INFO L226 Difference]: Without dead ends: 9555 [2022-02-09 01:59:13,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=360, Invalid=1532, Unknown=0, NotChecked=0, Total=1892 [2022-02-09 01:59:13,615 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 1173 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:13,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1173 Valid, 1967 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:59:13,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9555 states. [2022-02-09 01:59:13,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9555 to 3855. [2022-02-09 01:59:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3855 states, 3841 states have (on average 1.9796927883363706) internal successors, (7604), 3854 states have internal predecessors, (7604), 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) [2022-02-09 01:59:13,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 7604 transitions. [2022-02-09 01:59:13,672 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 7604 transitions. Word has length 105 [2022-02-09 01:59:13,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:13,672 INFO L470 AbstractCegarLoop]: Abstraction has 3855 states and 7604 transitions. [2022-02-09 01:59:13,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:13,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 7604 transitions. [2022-02-09 01:59:13,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:13,674 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:13,674 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:13,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:13,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-02-09 01:59:13,875 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:13,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:13,876 INFO L85 PathProgramCache]: Analyzing trace with hash -4003655, now seen corresponding path program 24 times [2022-02-09 01:59:13,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:13,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785270247] [2022-02-09 01:59:13,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:13,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:14,159 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:14,159 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:14,159 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785270247] [2022-02-09 01:59:14,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785270247] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:14,159 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:14,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:14,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310195251] [2022-02-09 01:59:14,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:14,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:14,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:14,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:14,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:14,160 INFO L87 Difference]: Start difference. First operand 3855 states and 7604 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:15,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:15,292 INFO L93 Difference]: Finished difference Result 12064 states and 23979 transitions. [2022-02-09 01:59:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-09 01:59:15,293 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:15,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:15,308 INFO L225 Difference]: With dead ends: 12064 [2022-02-09 01:59:15,309 INFO L226 Difference]: Without dead ends: 12064 [2022-02-09 01:59:15,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-02-09 01:59:15,309 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 1351 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1351 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:15,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1351 Valid, 1529 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 01:59:15,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12064 states. [2022-02-09 01:59:15,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12064 to 3878. [2022-02-09 01:59:15,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3878 states, 3864 states have (on average 1.9798136645962734) internal successors, (7650), 3877 states have internal predecessors, (7650), 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) [2022-02-09 01:59:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 7650 transitions. [2022-02-09 01:59:15,379 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 7650 transitions. Word has length 105 [2022-02-09 01:59:15,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:15,379 INFO L470 AbstractCegarLoop]: Abstraction has 3878 states and 7650 transitions. [2022-02-09 01:59:15,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:15,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 7650 transitions. [2022-02-09 01:59:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:15,381 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:15,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:15,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-09 01:59:15,381 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:15,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:15,381 INFO L85 PathProgramCache]: Analyzing trace with hash -2798919, now seen corresponding path program 25 times [2022-02-09 01:59:15,382 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:15,382 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646015718] [2022-02-09 01:59:15,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:15,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:15,617 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:15,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646015718] [2022-02-09 01:59:15,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646015718] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:15,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833212258] [2022-02-09 01:59:15,617 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 01:59:15,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:15,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:15,620 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:15,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-02-09 01:59:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:15,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:15,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:16,011 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:16,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:16,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833212258] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:16,061 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:16,061 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:16,061 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354964588] [2022-02-09 01:59:16,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:16,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:16,062 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:16,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:16,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:16,062 INFO L87 Difference]: Start difference. First operand 3878 states and 7650 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:16,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:16,673 INFO L93 Difference]: Finished difference Result 11272 states and 22381 transitions. [2022-02-09 01:59:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-09 01:59:16,673 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:16,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:16,688 INFO L225 Difference]: With dead ends: 11272 [2022-02-09 01:59:16,689 INFO L226 Difference]: Without dead ends: 11272 [2022-02-09 01:59:16,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2022-02-09 01:59:16,689 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 919 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 1563 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:16,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [919 Valid, 1563 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:16,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11272 states. [2022-02-09 01:59:16,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11272 to 3876. [2022-02-09 01:59:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3876 states, 3862 states have (on average 1.979803210771621) internal successors, (7646), 3875 states have internal predecessors, (7646), 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) [2022-02-09 01:59:16,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 7646 transitions. [2022-02-09 01:59:16,769 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 7646 transitions. Word has length 105 [2022-02-09 01:59:16,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:16,769 INFO L470 AbstractCegarLoop]: Abstraction has 3876 states and 7646 transitions. [2022-02-09 01:59:16,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 7646 transitions. [2022-02-09 01:59:16,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:16,770 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:16,770 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:16,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-02-09 01:59:16,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-02-09 01:59:16,976 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:16,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:16,976 INFO L85 PathProgramCache]: Analyzing trace with hash 821943643, now seen corresponding path program 26 times [2022-02-09 01:59:16,976 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:16,976 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156782089] [2022-02-09 01:59:16,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:16,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:17,213 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:17,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156782089] [2022-02-09 01:59:17,213 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156782089] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:17,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712272828] [2022-02-09 01:59:17,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 01:59:17,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:17,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:17,216 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:17,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-02-09 01:59:17,379 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 01:59:17,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:17,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:17,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:17,599 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:17,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:17,679 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712272828] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:17,679 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:17,679 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:17,679 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078039750] [2022-02-09 01:59:17,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:17,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:17,680 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:17,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:17,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:17,680 INFO L87 Difference]: Start difference. First operand 3876 states and 7646 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:18,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:18,127 INFO L93 Difference]: Finished difference Result 8797 states and 17431 transitions. [2022-02-09 01:59:18,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:59:18,127 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:18,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:18,156 INFO L225 Difference]: With dead ends: 8797 [2022-02-09 01:59:18,156 INFO L226 Difference]: Without dead ends: 8797 [2022-02-09 01:59:18,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2022-02-09 01:59:18,157 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 660 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:18,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 1435 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:18,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8797 states. [2022-02-09 01:59:18,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8797 to 3873. [2022-02-09 01:59:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3873 states, 3859 states have (on average 1.9797875097175435) internal successors, (7640), 3872 states have internal predecessors, (7640), 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) [2022-02-09 01:59:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3873 states to 3873 states and 7640 transitions. [2022-02-09 01:59:18,205 INFO L78 Accepts]: Start accepts. Automaton has 3873 states and 7640 transitions. Word has length 105 [2022-02-09 01:59:18,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:18,205 INFO L470 AbstractCegarLoop]: Abstraction has 3873 states and 7640 transitions. [2022-02-09 01:59:18,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:18,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3873 states and 7640 transitions. [2022-02-09 01:59:18,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:18,206 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:18,206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:18,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-02-09 01:59:18,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:18,407 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:18,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:18,408 INFO L85 PathProgramCache]: Analyzing trace with hash 895822961, now seen corresponding path program 27 times [2022-02-09 01:59:18,408 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:18,408 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413357359] [2022-02-09 01:59:18,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:18,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:18,619 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:18,619 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413357359] [2022-02-09 01:59:18,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413357359] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:18,619 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738881574] [2022-02-09 01:59:18,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 01:59:18,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:18,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:18,624 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:18,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-02-09 01:59:18,809 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-09 01:59:18,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:18,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:18,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:19,053 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:19,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:19,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738881574] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:19,135 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:19,135 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:19,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878107200] [2022-02-09 01:59:19,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:19,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:19,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:19,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:19,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:19,136 INFO L87 Difference]: Start difference. First operand 3873 states and 7640 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:19,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:19,877 INFO L93 Difference]: Finished difference Result 11900 states and 23632 transitions. [2022-02-09 01:59:19,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 01:59:19,881 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:19,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:19,897 INFO L225 Difference]: With dead ends: 11900 [2022-02-09 01:59:19,897 INFO L226 Difference]: Without dead ends: 11900 [2022-02-09 01:59:19,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2022-02-09 01:59:19,898 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1044 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:19,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1044 Valid, 1903 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:19,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11900 states. [2022-02-09 01:59:19,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11900 to 3879. [2022-02-09 01:59:19,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3879 states, 3865 states have (on average 1.9798188874514877) internal successors, (7652), 3878 states have internal predecessors, (7652), 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) [2022-02-09 01:59:19,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3879 states to 3879 states and 7652 transitions. [2022-02-09 01:59:19,960 INFO L78 Accepts]: Start accepts. Automaton has 3879 states and 7652 transitions. Word has length 105 [2022-02-09 01:59:19,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:19,960 INFO L470 AbstractCegarLoop]: Abstraction has 3879 states and 7652 transitions. [2022-02-09 01:59:19,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:19,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3879 states and 7652 transitions. [2022-02-09 01:59:19,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:19,962 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:19,962 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:19,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-02-09 01:59:20,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:20,163 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:20,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:20,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1149737133, now seen corresponding path program 28 times [2022-02-09 01:59:20,163 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:20,163 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657574878] [2022-02-09 01:59:20,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:20,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:20,384 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:20,385 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:20,385 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657574878] [2022-02-09 01:59:20,385 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657574878] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:20,385 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252705180] [2022-02-09 01:59:20,385 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 01:59:20,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:20,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:20,387 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:20,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-02-09 01:59:20,638 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 01:59:20,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:20,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-09 01:59:20,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:20,867 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:20,993 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 01:59:21,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:21,034 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-09 01:59:21,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:21,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:21,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:21,074 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-09 01:59:21,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:21,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:21,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:21,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:21,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:21,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:21,131 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-09 01:59:21,175 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-02-09 01:59:21,189 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:21,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:21,189 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252705180] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:21,189 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:21,189 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [11] total 15 [2022-02-09 01:59:21,189 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149918845] [2022-02-09 01:59:21,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:21,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-09 01:59:21,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:21,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-09 01:59:21,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-09 01:59:21,191 INFO L87 Difference]: Start difference. First operand 3879 states and 7652 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 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) [2022-02-09 01:59:23,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:23,199 INFO L93 Difference]: Finished difference Result 12532 states and 24859 transitions. [2022-02-09 01:59:23,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-09 01:59:23,199 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:23,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:23,235 INFO L225 Difference]: With dead ends: 12532 [2022-02-09 01:59:23,235 INFO L226 Difference]: Without dead ends: 12532 [2022-02-09 01:59:23,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 99 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 743 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=588, Invalid=1668, Unknown=0, NotChecked=0, Total=2256 [2022-02-09 01:59:23,236 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 1242 mSDsluCounter, 1880 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 2313 SdHoareTripleChecker+Invalid, 1862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:23,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1242 Valid, 2313 Invalid, 1862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-09 01:59:23,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12532 states. [2022-02-09 01:59:23,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12532 to 4187. [2022-02-09 01:59:23,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4187 states, 4173 states have (on average 1.9844236760124612) internal successors, (8281), 4186 states have internal predecessors, (8281), 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) [2022-02-09 01:59:23,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 4187 states and 8281 transitions. [2022-02-09 01:59:23,296 INFO L78 Accepts]: Start accepts. Automaton has 4187 states and 8281 transitions. Word has length 105 [2022-02-09 01:59:23,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:23,296 INFO L470 AbstractCegarLoop]: Abstraction has 4187 states and 8281 transitions. [2022-02-09 01:59:23,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 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) [2022-02-09 01:59:23,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 8281 transitions. [2022-02-09 01:59:23,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:23,298 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:23,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:23,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:23,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-02-09 01:59:23,499 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:23,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:23,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1907969487, now seen corresponding path program 29 times [2022-02-09 01:59:23,499 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:23,499 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440469953] [2022-02-09 01:59:23,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:23,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:23,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:23,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440469953] [2022-02-09 01:59:23,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440469953] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:23,727 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:23,727 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:23,727 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453503583] [2022-02-09 01:59:23,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:23,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:23,728 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:23,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:23,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:23,728 INFO L87 Difference]: Start difference. First operand 4187 states and 8281 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:25,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:25,031 INFO L93 Difference]: Finished difference Result 14744 states and 29258 transitions. [2022-02-09 01:59:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 01:59:25,032 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:25,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:25,055 INFO L225 Difference]: With dead ends: 14744 [2022-02-09 01:59:25,055 INFO L226 Difference]: Without dead ends: 14744 [2022-02-09 01:59:25,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=273, Invalid=719, Unknown=0, NotChecked=0, Total=992 [2022-02-09 01:59:25,056 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 1342 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:25,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1342 Valid, 1786 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-09 01:59:25,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14744 states. [2022-02-09 01:59:25,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14744 to 4189. [2022-02-09 01:59:25,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4189 states, 4175 states have (on average 1.984431137724551) internal successors, (8285), 4188 states have internal predecessors, (8285), 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) [2022-02-09 01:59:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-02-09 01:59:25,152 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-02-09 01:59:25,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:25,152 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-02-09 01:59:25,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-02-09 01:59:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:25,154 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:25,154 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:25,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-09 01:59:25,154 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:25,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:25,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1909174223, now seen corresponding path program 30 times [2022-02-09 01:59:25,154 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:25,155 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044814661] [2022-02-09 01:59:25,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:25,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:25,403 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:25,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044814661] [2022-02-09 01:59:25,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044814661] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:25,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668397821] [2022-02-09 01:59:25,403 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 01:59:25,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:25,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:25,404 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:25,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-02-09 01:59:25,574 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-02-09 01:59:25,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:25,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:25,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:25,799 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:25,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:25,854 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668397821] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:25,854 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:25,854 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:25,854 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132579745] [2022-02-09 01:59:25,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:25,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:25,855 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:25,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:25,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:25,855 INFO L87 Difference]: Start difference. First operand 4189 states and 8285 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:26,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:26,522 INFO L93 Difference]: Finished difference Result 11839 states and 23480 transitions. [2022-02-09 01:59:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 01:59:26,522 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:26,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:26,539 INFO L225 Difference]: With dead ends: 11839 [2022-02-09 01:59:26,539 INFO L226 Difference]: Without dead ends: 11839 [2022-02-09 01:59:26,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=812, Unknown=0, NotChecked=0, Total=992 [2022-02-09 01:59:26,540 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 875 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 1891 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:26,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [875 Valid, 1891 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:26,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11839 states. [2022-02-09 01:59:26,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11839 to 4187. [2022-02-09 01:59:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4187 states, 4173 states have (on average 1.9844236760124612) internal successors, (8281), 4186 states have internal predecessors, (8281), 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) [2022-02-09 01:59:26,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 4187 states and 8281 transitions. [2022-02-09 01:59:26,617 INFO L78 Accepts]: Start accepts. Automaton has 4187 states and 8281 transitions. Word has length 105 [2022-02-09 01:59:26,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:26,617 INFO L470 AbstractCegarLoop]: Abstraction has 4187 states and 8281 transitions. [2022-02-09 01:59:26,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 4187 states and 8281 transitions. [2022-02-09 01:59:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:26,619 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:26,619 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:26,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:26,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-02-09 01:59:26,819 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:26,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:26,820 INFO L85 PathProgramCache]: Analyzing trace with hash 637299345, now seen corresponding path program 31 times [2022-02-09 01:59:26,820 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:26,820 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127471961] [2022-02-09 01:59:26,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:26,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:27,045 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:27,045 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:27,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127471961] [2022-02-09 01:59:27,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127471961] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:27,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127861059] [2022-02-09 01:59:27,045 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 01:59:27,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:27,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:27,048 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:27,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-02-09 01:59:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:27,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:27,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:27,554 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:27,661 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:27,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:27,661 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127861059] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:27,662 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:27,662 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:27,662 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439946128] [2022-02-09 01:59:27,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:27,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:27,662 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:27,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:27,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:27,663 INFO L87 Difference]: Start difference. First operand 4187 states and 8281 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:28,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:28,434 INFO L93 Difference]: Finished difference Result 12734 states and 25313 transitions. [2022-02-09 01:59:28,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 01:59:28,435 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:28,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:28,452 INFO L225 Difference]: With dead ends: 12734 [2022-02-09 01:59:28,452 INFO L226 Difference]: Without dead ends: 12734 [2022-02-09 01:59:28,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=762, Unknown=0, NotChecked=0, Total=930 [2022-02-09 01:59:28,453 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 918 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:28,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [918 Valid, 1847 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12734 states. [2022-02-09 01:59:28,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12734 to 4197. [2022-02-09 01:59:28,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4197 states, 4183 states have (on average 1.984460913220177) internal successors, (8301), 4196 states have internal predecessors, (8301), 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) [2022-02-09 01:59:28,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4197 states to 4197 states and 8301 transitions. [2022-02-09 01:59:28,532 INFO L78 Accepts]: Start accepts. Automaton has 4197 states and 8301 transitions. Word has length 105 [2022-02-09 01:59:28,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:28,532 INFO L470 AbstractCegarLoop]: Abstraction has 4197 states and 8301 transitions. [2022-02-09 01:59:28,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:28,533 INFO L276 IsEmpty]: Start isEmpty. Operand 4197 states and 8301 transitions. [2022-02-09 01:59:28,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:28,535 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:28,535 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:28,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:28,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-02-09 01:59:28,762 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:28,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:28,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1815444899, now seen corresponding path program 32 times [2022-02-09 01:59:28,763 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:28,763 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995040721] [2022-02-09 01:59:28,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:28,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:28,958 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:28,958 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:28,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995040721] [2022-02-09 01:59:28,958 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995040721] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:28,958 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:28,958 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:28,958 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777445492] [2022-02-09 01:59:28,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:28,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:28,959 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:28,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:28,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:28,959 INFO L87 Difference]: Start difference. First operand 4197 states and 8301 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:29,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:29,993 INFO L93 Difference]: Finished difference Result 13390 states and 26587 transitions. [2022-02-09 01:59:29,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 01:59:29,993 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:29,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:30,013 INFO L225 Difference]: With dead ends: 13390 [2022-02-09 01:59:30,014 INFO L226 Difference]: Without dead ends: 13390 [2022-02-09 01:59:30,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=253, Invalid=617, Unknown=0, NotChecked=0, Total=870 [2022-02-09 01:59:30,014 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1335 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:30,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1335 Valid, 1617 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:59:30,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13390 states. [2022-02-09 01:59:30,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13390 to 4195. [2022-02-09 01:59:30,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4195 states, 4181 states have (on average 1.9844534800287013) internal successors, (8297), 4194 states have internal predecessors, (8297), 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) [2022-02-09 01:59:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-02-09 01:59:30,121 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-02-09 01:59:30,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:30,121 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-02-09 01:59:30,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:30,121 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-02-09 01:59:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:30,122 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:30,123 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:30,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-09 01:59:30,123 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:30,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:30,123 INFO L85 PathProgramCache]: Analyzing trace with hash -975169007, now seen corresponding path program 33 times [2022-02-09 01:59:30,123 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:30,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648352007] [2022-02-09 01:59:30,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:30,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:30,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:30,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648352007] [2022-02-09 01:59:30,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648352007] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:30,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435260968] [2022-02-09 01:59:30,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 01:59:30,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:30,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:30,352 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:30,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-02-09 01:59:30,565 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-09 01:59:30,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:30,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:30,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:30,818 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:30,884 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:30,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:30,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435260968] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:30,884 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:30,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:30,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205679518] [2022-02-09 01:59:30,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:30,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:30,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:30,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:30,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:30,885 INFO L87 Difference]: Start difference. First operand 4195 states and 8297 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:31,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:31,893 INFO L93 Difference]: Finished difference Result 11961 states and 23710 transitions. [2022-02-09 01:59:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-09 01:59:31,893 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:31,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:31,910 INFO L225 Difference]: With dead ends: 11961 [2022-02-09 01:59:31,911 INFO L226 Difference]: Without dead ends: 11961 [2022-02-09 01:59:31,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=286, Invalid=1274, Unknown=0, NotChecked=0, Total=1560 [2022-02-09 01:59:31,912 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 1069 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 1817 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:31,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1069 Valid, 1817 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:31,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11961 states. [2022-02-09 01:59:32,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11961 to 4191. [2022-02-09 01:59:32,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4191 states, 4177 states have (on average 1.984438592291118) internal successors, (8289), 4190 states have internal predecessors, (8289), 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) [2022-02-09 01:59:32,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 4191 states and 8289 transitions. [2022-02-09 01:59:32,031 INFO L78 Accepts]: Start accepts. Automaton has 4191 states and 8289 transitions. Word has length 105 [2022-02-09 01:59:32,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:32,031 INFO L470 AbstractCegarLoop]: Abstraction has 4191 states and 8289 transitions. [2022-02-09 01:59:32,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:32,031 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 8289 transitions. [2022-02-09 01:59:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:32,033 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:32,033 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:32,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:32,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:32,234 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:32,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:32,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1899608047, now seen corresponding path program 34 times [2022-02-09 01:59:32,234 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:32,234 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891770033] [2022-02-09 01:59:32,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:32,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:32,502 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:32,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891770033] [2022-02-09 01:59:32,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891770033] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:32,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256497087] [2022-02-09 01:59:32,502 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 01:59:32,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:32,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:32,504 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:32,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-02-09 01:59:32,787 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 01:59:32,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:32,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-09 01:59:32,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:32,968 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:33,025 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:33,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:33,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256497087] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:33,025 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:33,025 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-02-09 01:59:33,025 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538532928] [2022-02-09 01:59:33,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:33,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 01:59:33,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:33,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 01:59:33,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:59:33,027 INFO L87 Difference]: Start difference. First operand 4191 states and 8289 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2022-02-09 01:59:33,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:33,847 INFO L93 Difference]: Finished difference Result 13150 states and 26145 transitions. [2022-02-09 01:59:33,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 01:59:33,848 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:33,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:33,866 INFO L225 Difference]: With dead ends: 13150 [2022-02-09 01:59:33,866 INFO L226 Difference]: Without dead ends: 13150 [2022-02-09 01:59:33,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=1021, Unknown=0, NotChecked=0, Total=1260 [2022-02-09 01:59:33,867 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1103 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:33,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1103 Valid, 1721 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:59:33,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13150 states. [2022-02-09 01:59:33,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13150 to 4195. [2022-02-09 01:59:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4195 states, 4181 states have (on average 1.9844534800287013) internal successors, (8297), 4194 states have internal predecessors, (8297), 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) [2022-02-09 01:59:33,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-02-09 01:59:33,949 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-02-09 01:59:33,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:33,949 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-02-09 01:59:33,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2022-02-09 01:59:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-02-09 01:59:33,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:33,951 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:33,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:33,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2022-02-09 01:59:34,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:34,152 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:34,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:34,152 INFO L85 PathProgramCache]: Analyzing trace with hash -553136197, now seen corresponding path program 35 times [2022-02-09 01:59:34,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:34,152 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302262862] [2022-02-09 01:59:34,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:34,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:34,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:34,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302262862] [2022-02-09 01:59:34,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302262862] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:34,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476331239] [2022-02-09 01:59:34,382 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 01:59:34,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:34,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:34,383 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:34,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-02-09 01:59:34,599 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-02-09 01:59:34,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:34,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:34,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:34,839 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:34,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:34,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476331239] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:34,904 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:34,904 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:34,904 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461058684] [2022-02-09 01:59:34,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:34,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:34,905 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:34,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:34,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:34,905 INFO L87 Difference]: Start difference. First operand 4195 states and 8297 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:35,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:35,734 INFO L93 Difference]: Finished difference Result 11319 states and 22445 transitions. [2022-02-09 01:59:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-09 01:59:35,734 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:35,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:35,748 INFO L225 Difference]: With dead ends: 11319 [2022-02-09 01:59:35,748 INFO L226 Difference]: Without dead ends: 11319 [2022-02-09 01:59:35,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=234, Invalid=1026, Unknown=0, NotChecked=0, Total=1260 [2022-02-09 01:59:35,749 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1136 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:35,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1136 Valid, 1396 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:35,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11319 states. [2022-02-09 01:59:35,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11319 to 4193. [2022-02-09 01:59:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4193 states, 4179 states have (on average 1.9844460397224217) internal successors, (8293), 4192 states have internal predecessors, (8293), 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) [2022-02-09 01:59:35,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 8293 transitions. [2022-02-09 01:59:35,821 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 8293 transitions. Word has length 105 [2022-02-09 01:59:35,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:35,821 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 8293 transitions. [2022-02-09 01:59:35,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 8293 transitions. [2022-02-09 01:59:35,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:35,823 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:35,823 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:35,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:36,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:36,024 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:36,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:36,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1466874549, now seen corresponding path program 36 times [2022-02-09 01:59:36,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:36,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709491625] [2022-02-09 01:59:36,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:36,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:36,252 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:36,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709491625] [2022-02-09 01:59:36,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709491625] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:36,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287899009] [2022-02-09 01:59:36,253 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 01:59:36,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:36,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:36,288 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:36,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-02-09 01:59:36,482 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-02-09 01:59:36,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:36,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:36,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:36,698 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:36,798 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:36,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:36,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287899009] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:36,799 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:36,799 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:36,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298377785] [2022-02-09 01:59:36,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:36,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:36,800 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:36,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:36,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:36,800 INFO L87 Difference]: Start difference. First operand 4193 states and 8293 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:37,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:37,183 INFO L93 Difference]: Finished difference Result 7323 states and 14496 transitions. [2022-02-09 01:59:37,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:59:37,184 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:37,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:37,194 INFO L225 Difference]: With dead ends: 7323 [2022-02-09 01:59:37,194 INFO L226 Difference]: Without dead ends: 7323 [2022-02-09 01:59:37,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2022-02-09 01:59:37,195 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 562 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:37,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [562 Valid, 1247 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:37,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7323 states. [2022-02-09 01:59:37,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7323 to 4177. [2022-02-09 01:59:37,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 4163 states have (on average 1.9843862599087196) internal successors, (8261), 4176 states have internal predecessors, (8261), 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) [2022-02-09 01:59:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 8261 transitions. [2022-02-09 01:59:37,250 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 8261 transitions. Word has length 105 [2022-02-09 01:59:37,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:37,250 INFO L470 AbstractCegarLoop]: Abstraction has 4177 states and 8261 transitions. [2022-02-09 01:59:37,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:37,250 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 8261 transitions. [2022-02-09 01:59:37,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:37,251 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:37,252 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:37,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:37,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-02-09 01:59:37,452 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:37,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:37,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1729425713, now seen corresponding path program 37 times [2022-02-09 01:59:37,452 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:37,453 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501377226] [2022-02-09 01:59:37,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:37,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:37,670 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:37,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501377226] [2022-02-09 01:59:37,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501377226] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:37,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867200548] [2022-02-09 01:59:37,670 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 01:59:37,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:37,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:37,671 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:37,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-02-09 01:59:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:37,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:37,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:38,143 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:38,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:38,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867200548] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:38,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:38,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:38,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399143658] [2022-02-09 01:59:38,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:38,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:38,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:38,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:38,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:38,211 INFO L87 Difference]: Start difference. First operand 4177 states and 8261 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:39,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:39,286 INFO L93 Difference]: Finished difference Result 13882 states and 27628 transitions. [2022-02-09 01:59:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 01:59:39,286 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:39,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:39,304 INFO L225 Difference]: With dead ends: 13882 [2022-02-09 01:59:39,304 INFO L226 Difference]: Without dead ends: 13882 [2022-02-09 01:59:39,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=329, Invalid=1477, Unknown=0, NotChecked=0, Total=1806 [2022-02-09 01:59:39,305 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 1383 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:39,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1383 Valid, 1826 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:39,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13882 states. [2022-02-09 01:59:39,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13882 to 4189. [2022-02-09 01:59:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4189 states, 4175 states have (on average 1.984431137724551) internal successors, (8285), 4188 states have internal predecessors, (8285), 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) [2022-02-09 01:59:39,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-02-09 01:59:39,415 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-02-09 01:59:39,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:39,415 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-02-09 01:59:39,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-02-09 01:59:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:39,417 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:39,417 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:39,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2022-02-09 01:59:39,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-02-09 01:59:39,618 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:39,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:39,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1665714967, now seen corresponding path program 38 times [2022-02-09 01:59:39,618 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:39,618 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077272188] [2022-02-09 01:59:39,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:39,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:39,830 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:39,831 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:39,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077272188] [2022-02-09 01:59:39,831 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077272188] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:39,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591300351] [2022-02-09 01:59:39,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 01:59:39,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:39,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:39,832 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:39,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-02-09 01:59:40,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 01:59:40,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:40,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:40,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:40,273 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:40,357 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:40,357 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591300351] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:40,357 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:40,357 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:40,357 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633562101] [2022-02-09 01:59:40,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:40,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:40,358 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:40,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:40,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:40,358 INFO L87 Difference]: Start difference. First operand 4189 states and 8285 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:41,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:41,073 INFO L93 Difference]: Finished difference Result 10772 states and 21389 transitions. [2022-02-09 01:59:41,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 01:59:41,074 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:41,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:41,087 INFO L225 Difference]: With dead ends: 10772 [2022-02-09 01:59:41,087 INFO L226 Difference]: Without dead ends: 10772 [2022-02-09 01:59:41,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=807, Unknown=0, NotChecked=0, Total=992 [2022-02-09 01:59:41,088 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1046 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:41,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1046 Valid, 1768 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:41,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10772 states. [2022-02-09 01:59:41,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10772 to 4195. [2022-02-09 01:59:41,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4195 states, 4181 states have (on average 1.9844534800287013) internal successors, (8297), 4194 states have internal predecessors, (8297), 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) [2022-02-09 01:59:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 4195 states and 8297 transitions. [2022-02-09 01:59:41,156 INFO L78 Accepts]: Start accepts. Automaton has 4195 states and 8297 transitions. Word has length 105 [2022-02-09 01:59:41,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:41,156 INFO L470 AbstractCegarLoop]: Abstraction has 4195 states and 8297 transitions. [2022-02-09 01:59:41,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:41,156 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 8297 transitions. [2022-02-09 01:59:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:41,157 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:41,157 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:41,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:41,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:41,358 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:41,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:41,359 INFO L85 PathProgramCache]: Analyzing trace with hash 583692235, now seen corresponding path program 39 times [2022-02-09 01:59:41,359 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:41,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107805765] [2022-02-09 01:59:41,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:41,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:41,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:41,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107805765] [2022-02-09 01:59:41,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107805765] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:41,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993528402] [2022-02-09 01:59:41,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 01:59:41,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:41,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:41,567 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:41,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-02-09 01:59:41,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-09 01:59:41,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:41,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:41,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:42,011 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:42,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:42,078 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993528402] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:42,078 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:42,079 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:42,079 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323188571] [2022-02-09 01:59:42,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:42,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:42,079 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:42,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:42,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:42,079 INFO L87 Difference]: Start difference. First operand 4195 states and 8297 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:43,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:43,219 INFO L93 Difference]: Finished difference Result 12067 states and 23941 transitions. [2022-02-09 01:59:43,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 01:59:43,219 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:43,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:43,235 INFO L225 Difference]: With dead ends: 12067 [2022-02-09 01:59:43,236 INFO L226 Difference]: Without dead ends: 12067 [2022-02-09 01:59:43,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=324, Invalid=1398, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 01:59:43,237 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 1264 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:43,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1264 Valid, 1909 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:59:43,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12067 states. [2022-02-09 01:59:43,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12067 to 4193. [2022-02-09 01:59:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4193 states, 4179 states have (on average 1.9844460397224217) internal successors, (8293), 4192 states have internal predecessors, (8293), 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) [2022-02-09 01:59:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 8293 transitions. [2022-02-09 01:59:43,306 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 8293 transitions. Word has length 105 [2022-02-09 01:59:43,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:43,306 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 8293 transitions. [2022-02-09 01:59:43,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:43,307 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 8293 transitions. [2022-02-09 01:59:43,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:43,308 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:43,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:43,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2022-02-09 01:59:43,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2022-02-09 01:59:43,509 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:43,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:43,509 INFO L85 PathProgramCache]: Analyzing trace with hash -653568441, now seen corresponding path program 40 times [2022-02-09 01:59:43,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:43,509 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587337021] [2022-02-09 01:59:43,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:43,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:43,690 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:43,690 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:43,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587337021] [2022-02-09 01:59:43,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587337021] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:43,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428420505] [2022-02-09 01:59:43,691 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 01:59:43,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:43,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:43,692 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:43,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-02-09 01:59:43,957 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 01:59:43,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:43,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-09 01:59:43,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:44,127 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:44,163 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:44,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:44,163 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428420505] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:44,163 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:44,163 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2022-02-09 01:59:44,164 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448416423] [2022-02-09 01:59:44,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:44,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 01:59:44,164 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:44,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 01:59:44,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-02-09 01:59:44,164 INFO L87 Difference]: Start difference. First operand 4193 states and 8293 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2022-02-09 01:59:45,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:45,182 INFO L93 Difference]: Finished difference Result 14687 states and 29157 transitions. [2022-02-09 01:59:45,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-09 01:59:45,183 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:45,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:45,211 INFO L225 Difference]: With dead ends: 14687 [2022-02-09 01:59:45,211 INFO L226 Difference]: Without dead ends: 14687 [2022-02-09 01:59:45,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=377, Invalid=1693, Unknown=0, NotChecked=0, Total=2070 [2022-02-09 01:59:45,213 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 1244 mSDsluCounter, 1751 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 2139 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:45,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1244 Valid, 2139 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-09 01:59:45,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14687 states. [2022-02-09 01:59:45,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14687 to 4183. [2022-02-09 01:59:45,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4183 states, 4169 states have (on average 1.984408731110578) internal successors, (8273), 4182 states have internal predecessors, (8273), 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) [2022-02-09 01:59:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 4183 states and 8273 transitions. [2022-02-09 01:59:45,331 INFO L78 Accepts]: Start accepts. Automaton has 4183 states and 8273 transitions. Word has length 105 [2022-02-09 01:59:45,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:45,332 INFO L470 AbstractCegarLoop]: Abstraction has 4183 states and 8273 transitions. [2022-02-09 01:59:45,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 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) [2022-02-09 01:59:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 4183 states and 8273 transitions. [2022-02-09 01:59:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:45,333 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:45,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:45,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:45,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-02-09 01:59:45,534 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:45,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:45,535 INFO L85 PathProgramCache]: Analyzing trace with hash 937596017, now seen corresponding path program 41 times [2022-02-09 01:59:45,535 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:45,535 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172244940] [2022-02-09 01:59:45,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:45,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:45,772 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:45,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:45,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172244940] [2022-02-09 01:59:45,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172244940] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:45,773 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:45,773 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-09 01:59:45,773 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798144779] [2022-02-09 01:59:45,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:45,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:45,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:45,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:45,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:45,774 INFO L87 Difference]: Start difference. First operand 4183 states and 8273 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:46,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:46,836 INFO L93 Difference]: Finished difference Result 10889 states and 21642 transitions. [2022-02-09 01:59:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 01:59:46,836 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:46,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:46,850 INFO L225 Difference]: With dead ends: 10889 [2022-02-09 01:59:46,850 INFO L226 Difference]: Without dead ends: 10889 [2022-02-09 01:59:46,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=695, Unknown=0, NotChecked=0, Total=992 [2022-02-09 01:59:46,851 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 1446 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:46,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1446 Valid, 1376 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-09 01:59:46,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10889 states. [2022-02-09 01:59:46,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10889 to 4191. [2022-02-09 01:59:46,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4191 states, 4177 states have (on average 1.984438592291118) internal successors, (8289), 4190 states have internal predecessors, (8289), 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) [2022-02-09 01:59:46,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 4191 states and 8289 transitions. [2022-02-09 01:59:46,929 INFO L78 Accepts]: Start accepts. Automaton has 4191 states and 8289 transitions. Word has length 105 [2022-02-09 01:59:46,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:46,930 INFO L470 AbstractCegarLoop]: Abstraction has 4191 states and 8289 transitions. [2022-02-09 01:59:46,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:46,930 INFO L276 IsEmpty]: Start isEmpty. Operand 4191 states and 8289 transitions. [2022-02-09 01:59:46,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:46,931 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:46,931 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:46,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-09 01:59:46,932 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:46,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:46,932 INFO L85 PathProgramCache]: Analyzing trace with hash 938800753, now seen corresponding path program 42 times [2022-02-09 01:59:46,932 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:46,932 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398376596] [2022-02-09 01:59:46,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:46,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:47,144 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:47,145 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:47,145 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398376596] [2022-02-09 01:59:47,145 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398376596] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:47,145 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577961280] [2022-02-09 01:59:47,145 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 01:59:47,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:47,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:47,146 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:47,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-02-09 01:59:47,352 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-02-09 01:59:47,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:47,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:47,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:47,626 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:47,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:47,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577961280] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:47,676 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:47,676 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:47,676 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768078171] [2022-02-09 01:59:47,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:47,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:47,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:47,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:47,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:47,677 INFO L87 Difference]: Start difference. First operand 4191 states and 8289 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:48,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:48,343 INFO L93 Difference]: Finished difference Result 10097 states and 20044 transitions. [2022-02-09 01:59:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-09 01:59:48,344 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:48,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:48,357 INFO L225 Difference]: With dead ends: 10097 [2022-02-09 01:59:48,358 INFO L226 Difference]: Without dead ends: 10097 [2022-02-09 01:59:48,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=203, Invalid=853, Unknown=0, NotChecked=0, Total=1056 [2022-02-09 01:59:48,358 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 914 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:48,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 1561 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-09 01:59:48,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10097 states. [2022-02-09 01:59:48,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10097 to 4189. [2022-02-09 01:59:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4189 states, 4175 states have (on average 1.984431137724551) internal successors, (8285), 4188 states have internal predecessors, (8285), 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) [2022-02-09 01:59:48,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 8285 transitions. [2022-02-09 01:59:48,448 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 8285 transitions. Word has length 105 [2022-02-09 01:59:48,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:48,448 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 8285 transitions. [2022-02-09 01:59:48,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:48,448 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 8285 transitions. [2022-02-09 01:59:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:48,450 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:48,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:48,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2022-02-09 01:59:48,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:48,650 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:48,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:48,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1763543315, now seen corresponding path program 43 times [2022-02-09 01:59:48,651 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:48,651 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278937410] [2022-02-09 01:59:48,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:48,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:48,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:48,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278937410] [2022-02-09 01:59:48,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278937410] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:48,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653719786] [2022-02-09 01:59:48,856 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 01:59:48,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:48,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:48,857 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:48,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-02-09 01:59:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:49,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:49,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:49,275 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:49,346 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:49,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:49,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653719786] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:49,346 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:49,346 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:49,346 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063405518] [2022-02-09 01:59:49,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:49,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:49,347 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:49,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:49,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:49,347 INFO L87 Difference]: Start difference. First operand 4189 states and 8285 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:49,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:49,820 INFO L93 Difference]: Finished difference Result 9641 states and 19132 transitions. [2022-02-09 01:59:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 01:59:49,820 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:49,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:49,831 INFO L225 Difference]: With dead ends: 9641 [2022-02-09 01:59:49,831 INFO L226 Difference]: Without dead ends: 9641 [2022-02-09 01:59:49,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-09 01:59:49,832 INFO L933 BasicCegarLoop]: 255 mSDtfsCounter, 676 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:49,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [676 Valid, 1530 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:49,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9641 states. [2022-02-09 01:59:49,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9641 to 4186. [2022-02-09 01:59:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4186 states, 4172 states have (on average 1.9844199424736337) internal successors, (8279), 4185 states have internal predecessors, (8279), 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) [2022-02-09 01:59:49,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4186 states to 4186 states and 8279 transitions. [2022-02-09 01:59:49,894 INFO L78 Accepts]: Start accepts. Automaton has 4186 states and 8279 transitions. Word has length 105 [2022-02-09 01:59:49,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:49,894 INFO L470 AbstractCegarLoop]: Abstraction has 4186 states and 8279 transitions. [2022-02-09 01:59:49,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:49,895 INFO L276 IsEmpty]: Start isEmpty. Operand 4186 states and 8279 transitions. [2022-02-09 01:59:49,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-09 01:59:49,896 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:49,896 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:49,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2022-02-09 01:59:50,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:50,097 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:50,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:50,097 INFO L85 PathProgramCache]: Analyzing trace with hash -996901355, now seen corresponding path program 44 times [2022-02-09 01:59:50,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:50,097 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744331456] [2022-02-09 01:59:50,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:50,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-02-09 01:59:50,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:50,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744331456] [2022-02-09 01:59:50,265 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744331456] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:50,265 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067210520] [2022-02-09 01:59:50,265 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 01:59:50,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:50,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:50,266 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:50,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-02-09 01:59:50,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 01:59:50,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 01:59:50,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-09 01:59:50,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:50,681 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 01:59:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:50,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 01:59:50,796 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067210520] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:50,796 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 01:59:50,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-02-09 01:59:50,797 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12051784] [2022-02-09 01:59:50,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:50,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:50,797 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:50,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:50,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-02-09 01:59:50,797 INFO L87 Difference]: Start difference. First operand 4186 states and 8279 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:51,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:51,169 INFO L93 Difference]: Finished difference Result 8229 states and 16346 transitions. [2022-02-09 01:59:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 01:59:51,170 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 105 [2022-02-09 01:59:51,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:51,179 INFO L225 Difference]: With dead ends: 8229 [2022-02-09 01:59:51,179 INFO L226 Difference]: Without dead ends: 8229 [2022-02-09 01:59:51,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2022-02-09 01:59:51,179 INFO L933 BasicCegarLoop]: 245 mSDtfsCounter, 682 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:51,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [682 Valid, 1293 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-09 01:59:51,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-02-09 01:59:51,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 4243. [2022-02-09 01:59:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4243 states, 4229 states have (on average 1.9846299361551194) internal successors, (8393), 4242 states have internal predecessors, (8393), 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) [2022-02-09 01:59:51,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 4243 states and 8393 transitions. [2022-02-09 01:59:51,237 INFO L78 Accepts]: Start accepts. Automaton has 4243 states and 8393 transitions. Word has length 105 [2022-02-09 01:59:51,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:51,237 INFO L470 AbstractCegarLoop]: Abstraction has 4243 states and 8393 transitions. [2022-02-09 01:59:51,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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) [2022-02-09 01:59:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 4243 states and 8393 transitions. [2022-02-09 01:59:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-02-09 01:59:51,238 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:51,238 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:51,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:51,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:51,439 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:51,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:51,439 INFO L85 PathProgramCache]: Analyzing trace with hash -2116267346, now seen corresponding path program 1 times [2022-02-09 01:59:51,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:51,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934892784] [2022-02-09 01:59:51,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:51,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:51,472 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:51,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934892784] [2022-02-09 01:59:51,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934892784] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:51,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701851745] [2022-02-09 01:59:51,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:51,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:51,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:51,474 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:51,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-02-09 01:59:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:51,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 01:59:51,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:51,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 01:59:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:51,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701851745] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 01:59:51,983 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 01:59:51,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-09 01:59:51,983 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940969640] [2022-02-09 01:59:51,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 01:59:51,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 01:59:51,984 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:51,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 01:59:51,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 01:59:51,984 INFO L87 Difference]: Start difference. First operand 4243 states and 8393 transitions. Second operand has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 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) [2022-02-09 01:59:52,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:52,042 INFO L93 Difference]: Finished difference Result 7439 states and 14753 transitions. [2022-02-09 01:59:52,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 01:59:52,042 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 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 108 [2022-02-09 01:59:52,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:52,050 INFO L225 Difference]: With dead ends: 7439 [2022-02-09 01:59:52,050 INFO L226 Difference]: Without dead ends: 7439 [2022-02-09 01:59:52,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-09 01:59:52,051 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 700 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:52,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [700 Valid, 876 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 01:59:52,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7439 states. [2022-02-09 01:59:52,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7439 to 7162. [2022-02-09 01:59:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7162 states, 7148 states have (on average 2.010912143256855) internal successors, (14374), 7161 states have internal predecessors, (14374), 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) [2022-02-09 01:59:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7162 states to 7162 states and 14374 transitions. [2022-02-09 01:59:52,124 INFO L78 Accepts]: Start accepts. Automaton has 7162 states and 14374 transitions. Word has length 108 [2022-02-09 01:59:52,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:52,124 INFO L470 AbstractCegarLoop]: Abstraction has 7162 states and 14374 transitions. [2022-02-09 01:59:52,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 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) [2022-02-09 01:59:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 7162 states and 14374 transitions. [2022-02-09 01:59:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-09 01:59:52,126 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:52,126 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:52,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-02-09 01:59:52,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2022-02-09 01:59:52,327 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:52,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:52,327 INFO L85 PathProgramCache]: Analyzing trace with hash -502562751, now seen corresponding path program 1 times [2022-02-09 01:59:52,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:52,328 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962856818] [2022-02-09 01:59:52,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:52,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-02-09 01:59:52,392 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:52,392 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962856818] [2022-02-09 01:59:52,392 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962856818] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:59:52,392 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:59:52,392 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 01:59:52,392 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570478173] [2022-02-09 01:59:52,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:59:52,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:59:52,392 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:52,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:59:52,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:59:52,393 INFO L87 Difference]: Start difference. First operand 7162 states and 14374 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 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) [2022-02-09 01:59:52,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:59:52,602 INFO L93 Difference]: Finished difference Result 8006 states and 16072 transitions. [2022-02-09 01:59:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 01:59:52,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 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 114 [2022-02-09 01:59:52,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:59:52,613 INFO L225 Difference]: With dead ends: 8006 [2022-02-09 01:59:52,613 INFO L226 Difference]: Without dead ends: 7476 [2022-02-09 01:59:52,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:59:52,614 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 184 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:59:52,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 558 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:59:52,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7476 states. [2022-02-09 01:59:52,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7476 to 6816. [2022-02-09 01:59:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6816 states, 6803 states have (on average 2.01264148169925) internal successors, (13692), 6815 states have internal predecessors, (13692), 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) [2022-02-09 01:59:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6816 states to 6816 states and 13692 transitions. [2022-02-09 01:59:52,708 INFO L78 Accepts]: Start accepts. Automaton has 6816 states and 13692 transitions. Word has length 114 [2022-02-09 01:59:52,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:59:52,709 INFO L470 AbstractCegarLoop]: Abstraction has 6816 states and 13692 transitions. [2022-02-09 01:59:52,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 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) [2022-02-09 01:59:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 6816 states and 13692 transitions. [2022-02-09 01:59:52,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-09 01:59:52,711 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:59:52,712 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:59:52,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-09 01:59:52,712 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 01:59:52,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:59:52,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1642661824, now seen corresponding path program 1 times [2022-02-09 01:59:52,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:59:52,713 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174103537] [2022-02-09 01:59:52,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:52,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:59:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:52,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:59:52,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174103537] [2022-02-09 01:59:52,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174103537] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 01:59:52,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772097677] [2022-02-09 01:59:52,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:59:52,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 01:59:52,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:59:52,986 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 01:59:52,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-02-09 01:59:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:59:53,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-09 01:59:53,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 01:59:53,973 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 01:59:54,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:54,003 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-09 01:59:54,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:54,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:54,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:54,052 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-09 01:59:54,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:54,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:54,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:54,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:54,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:54,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 01:59:54,118 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-09 01:59:54,260 INFO L353 Elim1Store]: treesize reduction 204, result has 14.6 percent of original size [2022-02-09 01:59:54,260 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 61 [2022-02-09 01:59:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:54,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 01:59:54,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 01:59:54,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 01:59:54,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 01:59:54,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 01:59:54,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 01:59:54,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 01:59:54,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 01:59:54,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 01:59:54,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 01:59:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 01:59:55,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772097677] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 01:59:55,787 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 01:59:55,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 14] total 40 [2022-02-09 01:59:55,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105406610] [2022-02-09 01:59:55,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 01:59:55,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-09 01:59:55,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:59:55,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-09 01:59:55,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1441, Unknown=0, NotChecked=0, Total=1640 [2022-02-09 01:59:55,788 INFO L87 Difference]: Start difference. First operand 6816 states and 13692 transitions. Second operand has 41 states, 40 states have (on average 5.875) internal successors, (235), 41 states have internal predecessors, (235), 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) [2022-02-09 02:00:02,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:02,551 INFO L93 Difference]: Finished difference Result 16581 states and 33229 transitions. [2022-02-09 02:00:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-09 02:00:02,551 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 5.875) internal successors, (235), 41 states have internal predecessors, (235), 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 134 [2022-02-09 02:00:02,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:02,579 INFO L225 Difference]: With dead ends: 16581 [2022-02-09 02:00:02,579 INFO L226 Difference]: Without dead ends: 16581 [2022-02-09 02:00:02,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4087 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=2170, Invalid=10940, Unknown=0, NotChecked=0, Total=13110 [2022-02-09 02:00:02,581 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 2439 mSDsluCounter, 4307 mSDsCounter, 0 mSdLazyCounter, 3667 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 4689 SdHoareTripleChecker+Invalid, 4753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 3667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 973 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:02,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2439 Valid, 4689 Invalid, 4753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 3667 Invalid, 0 Unknown, 973 Unchecked, 2.0s Time] [2022-02-09 02:00:02,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16581 states. [2022-02-09 02:00:02,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16581 to 7950. [2022-02-09 02:00:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7950 states, 7937 states have (on average 2.020536726722943) internal successors, (16037), 7949 states have internal predecessors, (16037), 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) [2022-02-09 02:00:02,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7950 states to 7950 states and 16037 transitions. [2022-02-09 02:00:02,764 INFO L78 Accepts]: Start accepts. Automaton has 7950 states and 16037 transitions. Word has length 134 [2022-02-09 02:00:02,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:02,764 INFO L470 AbstractCegarLoop]: Abstraction has 7950 states and 16037 transitions. [2022-02-09 02:00:02,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 5.875) internal successors, (235), 41 states have internal predecessors, (235), 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) [2022-02-09 02:00:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 7950 states and 16037 transitions. [2022-02-09 02:00:02,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-09 02:00:02,769 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:02,770 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:02,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2022-02-09 02:00:02,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2022-02-09 02:00:02,988 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 02:00:02,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:02,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1608674352, now seen corresponding path program 2 times [2022-02-09 02:00:02,988 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:02,988 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851570200] [2022-02-09 02:00:02,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:02,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:03,213 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:03,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851570200] [2022-02-09 02:00:03,213 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851570200] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 02:00:03,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546075088] [2022-02-09 02:00:03,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 02:00:03,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 02:00:03,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 02:00:03,215 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 02:00:03,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-02-09 02:00:03,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 02:00:03,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 02:00:03,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-09 02:00:03,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 02:00:03,879 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-09 02:00:03,942 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 02:00:03,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:03,972 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-09 02:00:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:04,007 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-09 02:00:04,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:04,049 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 02:00:04,049 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2022-02-09 02:00:04,148 INFO L353 Elim1Store]: treesize reduction 158, result has 14.1 percent of original size [2022-02-09 02:00:04,148 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 49 [2022-02-09 02:00:04,178 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-02-09 02:00:04,178 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-02-09 02:00:04,184 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:04,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 02:00:07,634 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2022-02-09 02:00:07,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:07,637 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-02-09 02:00:07,641 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2022-02-09 02:00:07,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:07,647 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2022-02-09 02:00:07,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:07,650 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-02-09 02:00:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:08,022 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546075088] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 02:00:08,022 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 02:00:08,022 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 40 [2022-02-09 02:00:08,022 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947438861] [2022-02-09 02:00:08,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 02:00:08,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-09 02:00:08,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:08,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-09 02:00:08,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=1448, Unknown=3, NotChecked=0, Total=1640 [2022-02-09 02:00:08,023 INFO L87 Difference]: Start difference. First operand 7950 states and 16037 transitions. Second operand has 41 states, 40 states have (on average 5.225) internal successors, (209), 41 states have internal predecessors, (209), 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) [2022-02-09 02:00:42,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:42,376 INFO L93 Difference]: Finished difference Result 16381 states and 32852 transitions. [2022-02-09 02:00:42,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-02-09 02:00:42,376 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 5.225) internal successors, (209), 41 states have internal predecessors, (209), 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 134 [2022-02-09 02:00:42,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:42,405 INFO L225 Difference]: With dead ends: 16381 [2022-02-09 02:00:42,406 INFO L226 Difference]: Without dead ends: 16381 [2022-02-09 02:00:42,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 255 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3322 ImplicationChecksByTransitivity, 35.7s TimeCoverageRelationStatistics Valid=1701, Invalid=9399, Unknown=30, NotChecked=0, Total=11130 [2022-02-09 02:00:42,407 INFO L933 BasicCegarLoop]: 438 mSDtfsCounter, 2715 mSDsluCounter, 4747 mSDsCounter, 0 mSdLazyCounter, 4266 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2715 SdHoareTripleChecker+Valid, 5185 SdHoareTripleChecker+Invalid, 5313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 4266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 751 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:42,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2715 Valid, 5185 Invalid, 5313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 4266 Invalid, 0 Unknown, 751 Unchecked, 2.0s Time] [2022-02-09 02:00:42,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16381 states. [2022-02-09 02:00:42,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16381 to 7661. [2022-02-09 02:00:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7661 states, 7648 states have (on average 2.0164748953974896) internal successors, (15422), 7660 states have internal predecessors, (15422), 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) [2022-02-09 02:00:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7661 states to 7661 states and 15422 transitions. [2022-02-09 02:00:42,598 INFO L78 Accepts]: Start accepts. Automaton has 7661 states and 15422 transitions. Word has length 134 [2022-02-09 02:00:42,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:42,598 INFO L470 AbstractCegarLoop]: Abstraction has 7661 states and 15422 transitions. [2022-02-09 02:00:42,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 5.225) internal successors, (209), 41 states have internal predecessors, (209), 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) [2022-02-09 02:00:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 7661 states and 15422 transitions. [2022-02-09 02:00:42,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-09 02:00:42,602 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:42,602 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:42,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-02-09 02:00:42,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2022-02-09 02:00:42,802 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 02:00:42,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:42,803 INFO L85 PathProgramCache]: Analyzing trace with hash 730557632, now seen corresponding path program 1 times [2022-02-09 02:00:42,803 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:42,803 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611979274] [2022-02-09 02:00:42,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:42,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:43,124 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:43,124 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611979274] [2022-02-09 02:00:43,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611979274] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 02:00:43,124 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070985728] [2022-02-09 02:00:43,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:43,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 02:00:43,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 02:00:43,128 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 02:00:43,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-02-09 02:00:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:43,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-09 02:00:43,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 02:00:44,330 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 02:00:44,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,379 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-09 02:00:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,433 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-09 02:00:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,498 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-09 02:00:44,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:44,581 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2022-02-09 02:00:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:44,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 02:00:45,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:45,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:45,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:45,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:45,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:45,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:45,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:45,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:45,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:45,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070985728] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 02:00:45,872 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 02:00:45,872 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 14] total 41 [2022-02-09 02:00:45,872 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964115955] [2022-02-09 02:00:45,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 02:00:45,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-09 02:00:45,873 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:00:45,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-09 02:00:45,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1509, Unknown=0, NotChecked=0, Total=1722 [2022-02-09 02:00:45,873 INFO L87 Difference]: Start difference. First operand 7661 states and 15422 transitions. Second operand has 42 states, 41 states have (on average 5.7317073170731705) internal successors, (235), 42 states have internal predecessors, (235), 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) [2022-02-09 02:00:50,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:00:50,827 INFO L93 Difference]: Finished difference Result 17047 states and 34127 transitions. [2022-02-09 02:00:50,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-09 02:00:50,827 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 5.7317073170731705) internal successors, (235), 42 states have internal predecessors, (235), 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 134 [2022-02-09 02:00:50,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:00:50,851 INFO L225 Difference]: With dead ends: 17047 [2022-02-09 02:00:50,851 INFO L226 Difference]: Without dead ends: 17047 [2022-02-09 02:00:50,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3238 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1746, Invalid=8760, Unknown=0, NotChecked=0, Total=10506 [2022-02-09 02:00:50,852 INFO L933 BasicCegarLoop]: 353 mSDtfsCounter, 2923 mSDsluCounter, 4061 mSDsCounter, 0 mSdLazyCounter, 4174 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2923 SdHoareTripleChecker+Valid, 4413 SdHoareTripleChecker+Invalid, 4983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 4174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 416 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-02-09 02:00:50,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2923 Valid, 4413 Invalid, 4983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [393 Valid, 4174 Invalid, 0 Unknown, 416 Unchecked, 2.3s Time] [2022-02-09 02:00:50,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17047 states. [2022-02-09 02:00:50,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17047 to 7813. [2022-02-09 02:00:50,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7813 states, 7800 states have (on average 2.0175641025641027) internal successors, (15737), 7812 states have internal predecessors, (15737), 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) [2022-02-09 02:00:51,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7813 states to 7813 states and 15737 transitions. [2022-02-09 02:00:51,010 INFO L78 Accepts]: Start accepts. Automaton has 7813 states and 15737 transitions. Word has length 134 [2022-02-09 02:00:51,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:00:51,011 INFO L470 AbstractCegarLoop]: Abstraction has 7813 states and 15737 transitions. [2022-02-09 02:00:51,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 5.7317073170731705) internal successors, (235), 42 states have internal predecessors, (235), 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) [2022-02-09 02:00:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 7813 states and 15737 transitions. [2022-02-09 02:00:51,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-09 02:00:51,016 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:00:51,016 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:00:51,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-02-09 02:00:51,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2022-02-09 02:00:51,228 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 02:00:51,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:00:51,228 INFO L85 PathProgramCache]: Analyzing trace with hash -784951032, now seen corresponding path program 1 times [2022-02-09 02:00:51,228 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:00:51,228 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997129621] [2022-02-09 02:00:51,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:51,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:00:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:51,702 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:00:51,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997129621] [2022-02-09 02:00:51,702 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997129621] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 02:00:51,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536533499] [2022-02-09 02:00:51,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:00:51,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 02:00:51,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 02:00:51,704 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 02:00:51,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-02-09 02:00:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:00:51,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-09 02:00:51,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 02:00:52,603 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 02:00:52,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,650 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-09 02:00:52,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,694 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-09 02:00:52,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,756 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-09 02:00:52,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,876 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-02-09 02:00:52,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,909 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-09 02:00:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,949 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-09 02:00:52,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:52,993 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-09 02:00:53,209 INFO L353 Elim1Store]: treesize reduction 328, result has 13.2 percent of original size [2022-02-09 02:00:53,209 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 68 treesize of output 79 [2022-02-09 02:00:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:00:55,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 02:00:57,563 INFO L353 Elim1Store]: treesize reduction 167, result has 18.9 percent of original size [2022-02-09 02:00:57,564 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 3787 treesize of output 3802 [2022-02-09 02:00:57,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:00:57,693 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49 [2022-02-09 02:00:57,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:57,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:57,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:57,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:57,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:57,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:57,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 02:00:57,723 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2022-02-09 02:01:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:00,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536533499] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 02:01:00,426 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 02:01:00,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 17] total 44 [2022-02-09 02:01:00,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817821624] [2022-02-09 02:01:00,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 02:01:00,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-02-09 02:01:00,427 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:00,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-02-09 02:01:00,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1741, Unknown=2, NotChecked=0, Total=1980 [2022-02-09 02:01:00,427 INFO L87 Difference]: Start difference. First operand 7813 states and 15737 transitions. Second operand has 45 states, 44 states have (on average 5.340909090909091) internal successors, (235), 45 states have internal predecessors, (235), 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) [2022-02-09 02:01:12,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:12,873 INFO L93 Difference]: Finished difference Result 15940 states and 31983 transitions. [2022-02-09 02:01:12,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-02-09 02:01:12,874 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 5.340909090909091) internal successors, (235), 45 states have internal predecessors, (235), 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 134 [2022-02-09 02:01:12,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:12,896 INFO L225 Difference]: With dead ends: 15940 [2022-02-09 02:01:12,896 INFO L226 Difference]: Without dead ends: 15940 [2022-02-09 02:01:12,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2502 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=1400, Invalid=7148, Unknown=8, NotChecked=0, Total=8556 [2022-02-09 02:01:12,898 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 2740 mSDsluCounter, 3917 mSDsCounter, 0 mSdLazyCounter, 3968 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 4260 SdHoareTripleChecker+Invalid, 5240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 3968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 983 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:12,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2740 Valid, 4260 Invalid, 5240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 3968 Invalid, 0 Unknown, 983 Unchecked, 2.1s Time] [2022-02-09 02:01:12,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2022-02-09 02:01:13,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 7852. [2022-02-09 02:01:13,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7852 states, 7839 states have (on average 2.01734915167751) internal successors, (15814), 7851 states have internal predecessors, (15814), 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) [2022-02-09 02:01:13,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7852 states to 7852 states and 15814 transitions. [2022-02-09 02:01:13,050 INFO L78 Accepts]: Start accepts. Automaton has 7852 states and 15814 transitions. Word has length 134 [2022-02-09 02:01:13,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:13,050 INFO L470 AbstractCegarLoop]: Abstraction has 7852 states and 15814 transitions. [2022-02-09 02:01:13,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 5.340909090909091) internal successors, (235), 45 states have internal predecessors, (235), 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) [2022-02-09 02:01:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand 7852 states and 15814 transitions. [2022-02-09 02:01:13,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-09 02:01:13,054 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:13,055 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:13,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-02-09 02:01:13,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 02:01:13,255 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 02:01:13,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:13,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1191355971, now seen corresponding path program 1 times [2022-02-09 02:01:13,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:13,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696876627] [2022-02-09 02:01:13,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:13,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:13,515 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:13,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696876627] [2022-02-09 02:01:13,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696876627] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 02:01:13,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899308060] [2022-02-09 02:01:13,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:13,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 02:01:13,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 02:01:13,517 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 02:01:13,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-02-09 02:01:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:13,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-09 02:01:13,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 02:01:14,655 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 02:01:14,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:14,698 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-02-09 02:01:14,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:14,730 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-09 02:01:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:14,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:14,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:14,774 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-09 02:01:14,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:14,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:14,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:14,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:14,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:14,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:14,822 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-09 02:01:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:14,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 02:01:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:15,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899308060] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 02:01:15,373 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 02:01:15,374 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 14] total 38 [2022-02-09 02:01:15,374 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809333687] [2022-02-09 02:01:15,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 02:01:15,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-09 02:01:15,374 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:15,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-09 02:01:15,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1317, Unknown=0, NotChecked=0, Total=1482 [2022-02-09 02:01:15,375 INFO L87 Difference]: Start difference. First operand 7852 states and 15814 transitions. Second operand has 39 states, 38 states have (on average 6.105263157894737) internal successors, (232), 39 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:22,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:22,668 INFO L93 Difference]: Finished difference Result 16896 states and 33831 transitions. [2022-02-09 02:01:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-02-09 02:01:22,669 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 6.105263157894737) internal successors, (232), 39 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-02-09 02:01:22,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:22,691 INFO L225 Difference]: With dead ends: 16896 [2022-02-09 02:01:22,691 INFO L226 Difference]: Without dead ends: 16896 [2022-02-09 02:01:22,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 245 SyntacticMatches, 3 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6791 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=3450, Invalid=16572, Unknown=0, NotChecked=0, Total=20022 [2022-02-09 02:01:22,692 INFO L933 BasicCegarLoop]: 413 mSDtfsCounter, 2341 mSDsluCounter, 7084 mSDsCounter, 0 mSdLazyCounter, 7581 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2341 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 8330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 7581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 404 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:22,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2341 Valid, 7493 Invalid, 8330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 7581 Invalid, 0 Unknown, 404 Unchecked, 3.4s Time] [2022-02-09 02:01:22,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16896 states. [2022-02-09 02:01:22,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16896 to 7787. [2022-02-09 02:01:22,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7787 states, 7774 states have (on average 2.016722408026756) internal successors, (15678), 7786 states have internal predecessors, (15678), 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) [2022-02-09 02:01:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7787 states to 7787 states and 15678 transitions. [2022-02-09 02:01:22,813 INFO L78 Accepts]: Start accepts. Automaton has 7787 states and 15678 transitions. Word has length 134 [2022-02-09 02:01:22,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:22,813 INFO L470 AbstractCegarLoop]: Abstraction has 7787 states and 15678 transitions. [2022-02-09 02:01:22,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 6.105263157894737) internal successors, (232), 39 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 02:01:22,813 INFO L276 IsEmpty]: Start isEmpty. Operand 7787 states and 15678 transitions. [2022-02-09 02:01:22,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-09 02:01:22,816 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:22,816 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:22,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-02-09 02:01:23,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2022-02-09 02:01:23,017 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 02:01:23,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:23,017 INFO L85 PathProgramCache]: Analyzing trace with hash 2115207624, now seen corresponding path program 2 times [2022-02-09 02:01:23,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:23,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352677380] [2022-02-09 02:01:23,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:23,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:23,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:23,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352677380] [2022-02-09 02:01:23,509 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352677380] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 02:01:23,509 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387873226] [2022-02-09 02:01:23,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 02:01:23,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 02:01:23,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 02:01:23,510 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 02:01:23,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-02-09 02:01:23,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 02:01:23,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 02:01:23,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 56 conjunts are in the unsatisfiable core [2022-02-09 02:01:23,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 02:01:24,647 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 02:01:24,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,754 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-09 02:01:24,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,798 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-09 02:01:24,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,854 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-09 02:01:24,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,911 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2022-02-09 02:01:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,939 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-09 02:01:24,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,969 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-09 02:01:24,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:24,999 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-09 02:01:25,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:25,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:25,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:25,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:25,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:25,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:25,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:25,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:25,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:25,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:25,105 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2022-02-09 02:01:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:25,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 02:01:27,688 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int)) (or (not (<= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|)) (and (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse1 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) .cse1 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse1)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse3 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3))) (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) .cse3 0)))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse3)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (select (select (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse6 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1))) (select (select (let ((.cse5 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6)) 0))))) is different from false [2022-02-09 02:01:28,300 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 235 trivial. 1 not checked. [2022-02-09 02:01:28,300 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387873226] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 02:01:28,300 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 02:01:28,300 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 15] total 42 [2022-02-09 02:01:28,301 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715113162] [2022-02-09 02:01:28,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 02:01:28,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-09 02:01:28,301 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 02:01:28,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-09 02:01:28,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1534, Unknown=1, NotChecked=80, Total=1806 [2022-02-09 02:01:28,302 INFO L87 Difference]: Start difference. First operand 7787 states and 15678 transitions. Second operand has 43 states, 42 states have (on average 5.595238095238095) internal successors, (235), 43 states have internal predecessors, (235), 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) [2022-02-09 02:01:31,639 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0) (= |c_ULTIMATE.start_main_~i~2#1| 0) (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_~#cache~0.base| 1) (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int)) (or (not (<= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|)) (and (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse1 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) .cse1 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse1)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse3 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3))) (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) .cse3 0)))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse3)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (select (select (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse6 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1))) (select (select (let ((.cse5 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6)) 0))))) (<= 1 (div |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| 28)) (<= 1 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_~#cache~0.base| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| 1) (= |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|) (= |c_~#cache~0.offset| 0) (<= 0 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |c_~#cache~0.offset|) (= |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 0) (= |c_~#cache~0.base| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|)) is different from false [2022-02-09 02:01:34,349 WARN L838 $PredicateComparison]: unable to prove that (and (= (select (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0) (= |c_ULTIMATE.start_main_~i~2#1| 0) (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (= |c_~#cache~0.base| 1) (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| Int)) (or (not (<= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64|)) (and (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse1 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) .cse1 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse1)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse3 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3))) (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) .cse3 0)))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse3)) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (select (select (let ((.cse4 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse4 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0)) (forall ((v_ArrVal_5260 Int) (v_ArrVal_5257 Int)) (= (let ((.cse6 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1))) (select (select (let ((.cse5 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (select .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| 3) v_ArrVal_5257) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_64| v_ArrVal_5260))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6)) 0))))) (<= 1 (div |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| 28)) (<= 1 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_~#cache~0.base| |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.base|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| 1) (= |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|) (= |c_~#cache~0.offset| 0) (<= 0 |c_t_funThread1of1ForFork0_~i~0#1|) (= |c_ULTIMATE.start_cache_entry_addref_#in~entry#1.offset| |c_~#cache~0.offset|) (= |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 0) (= |c_~#cache~0.base| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (<= 0 |c_t_funThread1of1ForFork0_#t~post34#1|)) is different from false [2022-02-09 02:01:37,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 02:01:37,519 INFO L93 Difference]: Finished difference Result 25428 states and 50901 transitions. [2022-02-09 02:01:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-02-09 02:01:37,520 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 5.595238095238095) internal successors, (235), 43 states have internal predecessors, (235), 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 134 [2022-02-09 02:01:37,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 02:01:37,558 INFO L225 Difference]: With dead ends: 25428 [2022-02-09 02:01:37,558 INFO L226 Difference]: Without dead ends: 25428 [2022-02-09 02:01:37,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 258 SyntacticMatches, 3 SemanticMatches, 120 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 4239 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=2122, Invalid=11929, Unknown=3, NotChecked=708, Total=14762 [2022-02-09 02:01:37,560 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 3151 mSDsluCounter, 6621 mSDsCounter, 0 mSdLazyCounter, 6093 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 7089 SdHoareTripleChecker+Invalid, 9907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 6093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3623 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-02-09 02:01:37,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3151 Valid, 7089 Invalid, 9907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 6093 Invalid, 0 Unknown, 3623 Unchecked, 3.0s Time] [2022-02-09 02:01:37,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25428 states. [2022-02-09 02:01:37,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25428 to 7928. [2022-02-09 02:01:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7928 states, 7915 states have (on average 2.0169298799747315) internal successors, (15964), 7927 states have internal predecessors, (15964), 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) [2022-02-09 02:01:37,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 15964 transitions. [2022-02-09 02:01:37,793 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 15964 transitions. Word has length 134 [2022-02-09 02:01:37,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 02:01:37,794 INFO L470 AbstractCegarLoop]: Abstraction has 7928 states and 15964 transitions. [2022-02-09 02:01:37,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 5.595238095238095) internal successors, (235), 43 states have internal predecessors, (235), 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) [2022-02-09 02:01:37,794 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 15964 transitions. [2022-02-09 02:01:37,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-02-09 02:01:37,797 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 02:01:37,798 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 02:01:37,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2022-02-09 02:01:37,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 02:01:37,998 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-02-09 02:01:37,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 02:01:37,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1383721042, now seen corresponding path program 3 times [2022-02-09 02:01:37,999 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 02:01:37,999 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766368626] [2022-02-09 02:01:37,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 02:01:37,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 02:01:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 02:01:38,457 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:38,457 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 02:01:38,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766368626] [2022-02-09 02:01:38,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766368626] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 02:01:38,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300483344] [2022-02-09 02:01:38,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 02:01:38,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 02:01:38,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 02:01:38,458 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 02:01:38,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-02-09 02:01:38,785 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-09 02:01:38,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 02:01:38,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-09 02:01:38,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 02:01:39,547 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-09 02:01:39,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,647 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-09 02:01:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,695 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-09 02:01:39,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,750 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-02-09 02:01:39,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,771 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-02-09 02:01:39,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,833 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-09 02:01:39,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,863 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-09 02:01:39,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:39,891 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2022-02-09 02:01:40,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 02:01:40,108 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 88 [2022-02-09 02:01:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-09 02:01:46,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 02:01:51,317 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5418 Int) (v_ArrVal_5416 Int) (v_ArrVal_5413 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| Int)) (let ((.cse8 (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 1)) (.cse9 (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 2))) (let ((.cse7 (store (store (store (select (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) .cse8 v_ArrVal_5413) .cse9 v_ArrVal_5416) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 3) v_ArrVal_5418))) (or (not (<= |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68|)) (and (forall ((v_ArrVal_5420 Int)) (= (let ((.cse1 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3))) (select (select (let ((.cse0 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) .cse1 0)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (store (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 1) v_ArrVal_5413) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 2) v_ArrVal_5416) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 3) v_ArrVal_5418) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| v_ArrVal_5420))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse1)) 0)) (forall ((v_ArrVal_5420 Int)) (= (select (select (let ((.cse2 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (store (store (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 1) v_ArrVal_5413) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 2) v_ArrVal_5416) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 3) v_ArrVal_5418) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| v_ArrVal_5420))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset|) 0)) (forall ((v_ArrVal_5420 Int)) (= (let ((.cse4 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2))) (select (select (let ((.cse3 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1) 0) .cse4 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse3 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (store (store (select .cse3 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 1) v_ArrVal_5413) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 2) v_ArrVal_5416) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 3) v_ArrVal_5418) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| v_ArrVal_5420))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse4)) 0)) (forall ((v_ArrVal_5420 Int)) (= 0 (let ((.cse6 (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 1))) (select (select (let ((.cse5 (store |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base| (store (store (store (select |c_#race| |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 2) 0) (+ |c_ULTIMATE.start_cache_entry_addref_~entry#1.offset| 3) 0)))) (store .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (store (store (store (select .cse5 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 1) v_ArrVal_5413) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 2) v_ArrVal_5416) (+ |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| 3) v_ArrVal_5418) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_68| v_ArrVal_5420))) |c_ULTIMATE.start_cache_entry_addref_~entry#1.base|) .cse6))))) (not (= (select .cse7 .cse8) 0)) (not (= (select .cse7 .cse9) 0)))))) is different from false [2022-02-09 02:01:51,411 INFO L353 Elim1Store]: treesize reduction 167, result has 18.9 percent of original size [2022-02-09 02:01:51,412 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 45069 treesize of output 45061 [2022-02-09 02:01:52,976 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-09 02:01:52,977 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38008 treesize of output 38000 [2022-02-09 02:01:53,147 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-02-09 02:01:53,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-02-09 02:01:53,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2022-02-09 02:01:53,349 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Should have been eliminated by DER at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:353) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:184) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:154) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:142) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:126) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:110) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:95) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:90) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:904) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:865) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:783) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:425) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-09 02:01:53,356 INFO L158 Benchmark]: Toolchain (without parser) took 206656.00ms. Allocated memory was 181.4MB in the beginning and 574.6MB in the end (delta: 393.2MB). Free memory was 129.2MB in the beginning and 377.0MB in the end (delta: -247.8MB). Peak memory consumption was 367.1MB. Max. memory is 8.0GB. [2022-02-09 02:01:53,356 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory was 147.9MB in the beginning and 147.8MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 02:01:53,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.04ms. Allocated memory was 181.4MB in the beginning and 218.1MB in the end (delta: 36.7MB). Free memory was 129.1MB in the beginning and 179.5MB in the end (delta: -50.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-09 02:01:53,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.78ms. Allocated memory is still 218.1MB. Free memory was 179.5MB in the beginning and 176.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-09 02:01:53,356 INFO L158 Benchmark]: Boogie Preprocessor took 42.21ms. Allocated memory is still 218.1MB. Free memory was 176.8MB in the beginning and 174.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 02:01:53,356 INFO L158 Benchmark]: RCFGBuilder took 435.71ms. Allocated memory is still 218.1MB. Free memory was 174.8MB in the beginning and 159.0MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-02-09 02:01:53,356 INFO L158 Benchmark]: TraceAbstraction took 205472.90ms. Allocated memory was 218.1MB in the beginning and 574.6MB in the end (delta: 356.5MB). Free memory was 158.5MB in the beginning and 377.0MB in the end (delta: -218.5MB). Peak memory consumption was 360.0MB. Max. memory is 8.0GB. [2022-02-09 02:01:53,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory was 147.9MB in the beginning and 147.8MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 624.04ms. Allocated memory was 181.4MB in the beginning and 218.1MB in the end (delta: 36.7MB). Free memory was 129.1MB in the beginning and 179.5MB in the end (delta: -50.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 73.78ms. Allocated memory is still 218.1MB. Free memory was 179.5MB in the beginning and 176.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.21ms. Allocated memory is still 218.1MB. Free memory was 176.8MB in the beginning and 174.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 435.71ms. Allocated memory is still 218.1MB. Free memory was 174.8MB in the beginning and 159.0MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 205472.90ms. Allocated memory was 218.1MB in the beginning and 574.6MB in the end (delta: 356.5MB). Free memory was 158.5MB in the beginning and 377.0MB in the end (delta: -218.5MB). Peak memory consumption was 360.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Should have been eliminated by DER de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Should have been eliminated by DER: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:108) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-09 02:01:53,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...