/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_07-tricky_address2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 15:35:32,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 15:35:32,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 15:35:32,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 15:35:32,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 15:35:32,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 15:35:32,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 15:35:32,861 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 [2022-02-18 15:35:32,889 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 15:35:32,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 15:35:32,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 15:35:32,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 15:35:32,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 15:35:32,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 15:35:32,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 15:35:32,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 15:35:32,891 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 15:35:32,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 15:35:32,891 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 15:35:32,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 15:35:32,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 15:35:32,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 15:35:32,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 15:35:32,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 15:35:32,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 15:35:32,892 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 15:35:32,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 15:35:32,892 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 15:35:32,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 15:35:32,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 15:35:32,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 15:35:32,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 15:35:32,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 15:35:32,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 15:35:32,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 15:35:32,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 15:35:32,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 15:35:32,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 15:35:32,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 15:35:32,894 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 15:35:32,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 15:35:32,894 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-18 15:35:33,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 15:35:33,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 15:35:33,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 15:35:33,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 15:35:33,128 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 15:35:33,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_07-tricky_address2.i [2022-02-18 15:35:33,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b3248f87/c70693bcc747483695b8c75a57375367/FLAGc386ff066 [2022-02-18 15:35:33,612 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 15:35:33,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_07-tricky_address2.i [2022-02-18 15:35:33,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b3248f87/c70693bcc747483695b8c75a57375367/FLAGc386ff066 [2022-02-18 15:35:33,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b3248f87/c70693bcc747483695b8c75a57375367 [2022-02-18 15:35:33,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 15:35:33,968 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 15:35:33,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 15:35:33,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 15:35:33,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 15:35:33,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:35:33" (1/1) ... [2022-02-18 15:35:33,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4df6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:33, skipping insertion in model container [2022-02-18 15:35:33,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:35:33" (1/1) ... [2022-02-18 15:35:33,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 15:35:34,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 15:35:34,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 15:35:34,400 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 15:35:34,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 15:35:34,479 INFO L208 MainTranslator]: Completed translation [2022-02-18 15:35:34,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34 WrapperNode [2022-02-18 15:35:34,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 15:35:34,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 15:35:34,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 15:35:34,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 15:35:34,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34" (1/1) ... [2022-02-18 15:35:34,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34" (1/1) ... [2022-02-18 15:35:34,536 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2022-02-18 15:35:34,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 15:35:34,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 15:35:34,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 15:35:34,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 15:35:34,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34" (1/1) ... [2022-02-18 15:35:34,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34" (1/1) ... [2022-02-18 15:35:34,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34" (1/1) ... [2022-02-18 15:35:34,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34" (1/1) ... [2022-02-18 15:35:34,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34" (1/1) ... [2022-02-18 15:35:34,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34" (1/1) ... [2022-02-18 15:35:34,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34" (1/1) ... [2022-02-18 15:35:34,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 15:35:34,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 15:35:34,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 15:35:34,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 15:35:34,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34" (1/1) ... [2022-02-18 15:35:34,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 15:35:34,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:34,606 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) [2022-02-18 15:35:34,621 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 [2022-02-18 15:35:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 15:35:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 15:35:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 15:35:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 15:35:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-18 15:35:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 15:35:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-18 15:35:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-18 15:35:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 15:35:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 15:35:34,663 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 15:35:34,849 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 15:35:34,850 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 15:35:35,010 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 15:35:35,016 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 15:35:35,016 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-18 15:35:35,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:35:35 BoogieIcfgContainer [2022-02-18 15:35:35,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 15:35:35,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 15:35:35,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 15:35:35,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 15:35:35,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 03:35:33" (1/3) ... [2022-02-18 15:35:35,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5644cd7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:35:35, skipping insertion in model container [2022-02-18 15:35:35,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34" (2/3) ... [2022-02-18 15:35:35,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5644cd7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:35:35, skipping insertion in model container [2022-02-18 15:35:35,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:35:35" (3/3) ... [2022-02-18 15:35:35,036 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_07-tricky_address2.i [2022-02-18 15:35:35,040 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 15:35:35,040 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 15:35:35,041 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-18 15:35:35,041 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 15:35:35,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:35,117 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 15:35:35,154 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 15:35:35,159 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 15:35:35,160 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-18 15:35:35,169 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 103 places, 103 transitions, 211 flow [2022-02-18 15:35:35,247 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1102 states, 1094 states have (on average 1.9542961608775138) internal successors, (2138), 1101 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:35,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 1102 states, 1094 states have (on average 1.9542961608775138) internal successors, (2138), 1101 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-18 15:35:35,259 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:35,259 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:35,260 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:35,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:35,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1298122157, now seen corresponding path program 1 times [2022-02-18 15:35:35,271 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:35,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193444748] [2022-02-18 15:35:35,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:35,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:35,413 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:35,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193444748] [2022-02-18 15:35:35,414 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193444748] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:35,414 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:35,414 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 15:35:35,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89238775] [2022-02-18 15:35:35,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:35,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 15:35:35,422 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:35,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 15:35:35,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 15:35:35,455 INFO L87 Difference]: Start difference. First operand has 1102 states, 1094 states have (on average 1.9542961608775138) internal successors, (2138), 1101 states have internal predecessors, (2138), 0 states have call successors, (0), 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 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:35,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:35,512 INFO L93 Difference]: Finished difference Result 1102 states and 2105 transitions. [2022-02-18 15:35:35,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 15:35:35,515 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-18 15:35:35,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:35,534 INFO L225 Difference]: With dead ends: 1102 [2022-02-18 15:35:35,535 INFO L226 Difference]: Without dead ends: 1090 [2022-02-18 15:35:35,536 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 [2022-02-18 15:35:35,539 INFO L933 BasicCegarLoop]: 98 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, 98 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 [2022-02-18 15:35:35,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2022-02-18 15:35:35,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2022-02-18 15:35:35,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1080 states have (on average 1.9277777777777778) internal successors, (2082), 1089 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:35,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 2082 transitions. [2022-02-18 15:35:35,629 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 2082 transitions. Word has length 37 [2022-02-18 15:35:35,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:35,630 INFO L470 AbstractCegarLoop]: Abstraction has 1090 states and 2082 transitions. [2022-02-18 15:35:35,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:35,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 2082 transitions. [2022-02-18 15:35:35,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-18 15:35:35,631 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:35,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:35,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 15:35:35,632 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:35,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:35,633 INFO L85 PathProgramCache]: Analyzing trace with hash -779087186, now seen corresponding path program 1 times [2022-02-18 15:35:35,633 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:35,634 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716772231] [2022-02-18 15:35:35,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:35,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:35,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:35,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:35,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716772231] [2022-02-18 15:35:35,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716772231] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:35,715 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:35,715 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 15:35:35,715 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98005241] [2022-02-18 15:35:35,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:35,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 15:35:35,716 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:35,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 15:35:35,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:35:35,717 INFO L87 Difference]: Start difference. First operand 1090 states and 2082 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:35,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:35,741 INFO L93 Difference]: Finished difference Result 1094 states and 2086 transitions. [2022-02-18 15:35:35,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 15:35:35,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-18 15:35:35,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:35,746 INFO L225 Difference]: With dead ends: 1094 [2022-02-18 15:35:35,747 INFO L226 Difference]: Without dead ends: 1094 [2022-02-18 15:35:35,747 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 [2022-02-18 15:35:35,748 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 3 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 184 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 [2022-02-18 15:35:35,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 184 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:35,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2022-02-18 15:35:35,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1091. [2022-02-18 15:35:35,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1081 states have (on average 1.9269195189639223) internal successors, (2083), 1090 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:35,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 2083 transitions. [2022-02-18 15:35:35,780 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 2083 transitions. Word has length 37 [2022-02-18 15:35:35,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:35,780 INFO L470 AbstractCegarLoop]: Abstraction has 1091 states and 2083 transitions. [2022-02-18 15:35:35,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:35,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 2083 transitions. [2022-02-18 15:35:35,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-18 15:35:35,788 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:35,788 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:35,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 15:35:35,789 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:35,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:35,792 INFO L85 PathProgramCache]: Analyzing trace with hash 624473633, now seen corresponding path program 1 times [2022-02-18 15:35:35,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:35,793 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773911570] [2022-02-18 15:35:35,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:35,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:35,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:35,925 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:35,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773911570] [2022-02-18 15:35:35,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773911570] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:35,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423182531] [2022-02-18 15:35:35,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:35,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:35,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:35,928 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) [2022-02-18 15:35:35,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-18 15:35:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:36,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 15:35:36,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:36,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:36,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:35:36,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:36,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423182531] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:35:36,333 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:35:36,333 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-18 15:35:36,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080214774] [2022-02-18 15:35:36,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:35:36,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:36,335 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:36,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:36,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:36,336 INFO L87 Difference]: Start difference. First operand 1091 states and 2083 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:36,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:36,439 INFO L93 Difference]: Finished difference Result 1101 states and 2093 transitions. [2022-02-18 15:35:36,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:35:36,440 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 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 42 [2022-02-18 15:35:36,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:36,444 INFO L225 Difference]: With dead ends: 1101 [2022-02-18 15:35:36,445 INFO L226 Difference]: Without dead ends: 1101 [2022-02-18 15:35:36,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:35:36,449 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 10 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:36,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 547 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:36,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2022-02-18 15:35:36,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 1101. [2022-02-18 15:35:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 1091 states have (on average 1.9184234647112741) internal successors, (2093), 1100 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:36,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 2093 transitions. [2022-02-18 15:35:36,481 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 2093 transitions. Word has length 42 [2022-02-18 15:35:36,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:36,481 INFO L470 AbstractCegarLoop]: Abstraction has 1101 states and 2093 transitions. [2022-02-18 15:35:36,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 2093 transitions. [2022-02-18 15:35:36,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-18 15:35:36,483 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:36,484 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, 1, 1] [2022-02-18 15:35:36,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-18 15:35:36,703 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 [2022-02-18 15:35:36,704 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:36,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:36,705 INFO L85 PathProgramCache]: Analyzing trace with hash 653292097, now seen corresponding path program 2 times [2022-02-18 15:35:36,705 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:36,705 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096000668] [2022-02-18 15:35:36,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:36,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:36,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:36,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096000668] [2022-02-18 15:35:36,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096000668] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:36,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336937633] [2022-02-18 15:35:36,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:35:36,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:36,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:36,814 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) [2022-02-18 15:35:36,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-18 15:35:36,915 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:35:36,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:36,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-18 15:35:36,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:37,024 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 15 treesize of output 11 [2022-02-18 15:35:37,062 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-02-18 15:35:37,062 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 28 treesize of output 27 [2022-02-18 15:35:37,106 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-02-18 15:35:37,107 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 40 treesize of output 42 [2022-02-18 15:35:37,201 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-02-18 15:35:37,201 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 52 treesize of output 57 [2022-02-18 15:35:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-18 15:35:37,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:37,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336937633] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:37,235 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:37,235 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-02-18 15:35:37,235 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485646798] [2022-02-18 15:35:37,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:37,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:37,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:37,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:37,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:35:37,236 INFO L87 Difference]: Start difference. First operand 1101 states and 2093 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:37,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:37,472 INFO L93 Difference]: Finished difference Result 1384 states and 2630 transitions. [2022-02-18 15:35:37,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:37,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 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 52 [2022-02-18 15:35:37,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:37,482 INFO L225 Difference]: With dead ends: 1384 [2022-02-18 15:35:37,482 INFO L226 Difference]: Without dead ends: 1384 [2022-02-18 15:35:37,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:35:37,484 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 136 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:37,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 364 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:35:37,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1384 states. [2022-02-18 15:35:37,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1384 to 1124. [2022-02-18 15:35:37,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 1116 states have (on average 1.9130824372759856) internal successors, (2135), 1123 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:37,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 2135 transitions. [2022-02-18 15:35:37,518 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 2135 transitions. Word has length 52 [2022-02-18 15:35:37,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:37,518 INFO L470 AbstractCegarLoop]: Abstraction has 1124 states and 2135 transitions. [2022-02-18 15:35:37,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:37,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 2135 transitions. [2022-02-18 15:35:37,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-18 15:35:37,519 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:37,519 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:37,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-18 15:35:37,735 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 [2022-02-18 15:35:37,736 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:37,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:37,736 INFO L85 PathProgramCache]: Analyzing trace with hash -406389930, now seen corresponding path program 1 times [2022-02-18 15:35:37,736 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:37,736 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733958963] [2022-02-18 15:35:37,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:37,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:37,850 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:37,850 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:37,850 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733958963] [2022-02-18 15:35:37,850 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733958963] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:37,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874657337] [2022-02-18 15:35:37,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:37,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:37,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:37,856 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) [2022-02-18 15:35:37,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-18 15:35:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:37,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-18 15:35:37,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:38,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:35:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:38,226 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874657337] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:35:38,226 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:35:38,226 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-18 15:35:38,226 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051764414] [2022-02-18 15:35:38,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:35:38,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:35:38,227 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:38,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:35:38,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:35:38,228 INFO L87 Difference]: Start difference. First operand 1124 states and 2135 transitions. Second operand has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:38,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:38,399 INFO L93 Difference]: Finished difference Result 1144 states and 2155 transitions. [2022-02-18 15:35:38,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:35:38,400 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 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 60 [2022-02-18 15:35:38,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:38,404 INFO L225 Difference]: With dead ends: 1144 [2022-02-18 15:35:38,405 INFO L226 Difference]: Without dead ends: 1144 [2022-02-18 15:35:38,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-02-18 15:35:38,406 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 31 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:38,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 550 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:38,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-02-18 15:35:38,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1144. [2022-02-18 15:35:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 1136 states have (on average 1.8970070422535212) internal successors, (2155), 1143 states have internal predecessors, (2155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:38,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 2155 transitions. [2022-02-18 15:35:38,431 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 2155 transitions. Word has length 60 [2022-02-18 15:35:38,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:38,431 INFO L470 AbstractCegarLoop]: Abstraction has 1144 states and 2155 transitions. [2022-02-18 15:35:38,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:38,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 2155 transitions. [2022-02-18 15:35:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-02-18 15:35:38,432 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:38,433 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, 1, 1] [2022-02-18 15:35:38,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:38,647 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 [2022-02-18 15:35:38,647 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:38,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:38,648 INFO L85 PathProgramCache]: Analyzing trace with hash 232143766, now seen corresponding path program 2 times [2022-02-18 15:35:38,648 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:38,648 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986352810] [2022-02-18 15:35:38,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:38,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:38,844 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:38,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986352810] [2022-02-18 15:35:38,844 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986352810] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:38,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295802567] [2022-02-18 15:35:38,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:35:38,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:38,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:38,846 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) [2022-02-18 15:35:38,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-18 15:35:38,958 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:35:38,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:38,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-18 15:35:38,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:39,068 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 15 treesize of output 11 [2022-02-18 15:35:39,097 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-02-18 15:35:39,098 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 28 treesize of output 27 [2022-02-18 15:35:39,146 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-02-18 15:35:39,146 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 40 treesize of output 42 [2022-02-18 15:35:39,196 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-02-18 15:35:39,196 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 52 treesize of output 57 [2022-02-18 15:35:39,223 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-02-18 15:35:39,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:39,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295802567] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:39,224 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:39,224 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-02-18 15:35:39,224 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491127161] [2022-02-18 15:35:39,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:39,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:39,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:39,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:39,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:35:39,225 INFO L87 Difference]: Start difference. First operand 1144 states and 2155 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:39,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:39,470 INFO L93 Difference]: Finished difference Result 1501 states and 2816 transitions. [2022-02-18 15:35:39,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:39,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 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 80 [2022-02-18 15:35:39,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:39,477 INFO L225 Difference]: With dead ends: 1501 [2022-02-18 15:35:39,477 INFO L226 Difference]: Without dead ends: 1357 [2022-02-18 15:35:39,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:35:39,478 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 124 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:39,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 431 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:35:39,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2022-02-18 15:35:39,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1068. [2022-02-18 15:35:39,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1061 states have (on average 1.878416588124411) internal successors, (1993), 1067 states have internal predecessors, (1993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:39,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1993 transitions. [2022-02-18 15:35:39,507 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1993 transitions. Word has length 80 [2022-02-18 15:35:39,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:39,508 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 1993 transitions. [2022-02-18 15:35:39,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:39,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1993 transitions. [2022-02-18 15:35:39,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-18 15:35:39,509 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:39,509 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, 1, 1, 1] [2022-02-18 15:35:39,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:39,732 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 [2022-02-18 15:35:39,733 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:39,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:39,733 INFO L85 PathProgramCache]: Analyzing trace with hash -109360466, now seen corresponding path program 1 times [2022-02-18 15:35:39,733 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:39,733 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675302988] [2022-02-18 15:35:39,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:39,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:39,890 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:39,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675302988] [2022-02-18 15:35:39,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675302988] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:39,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925107395] [2022-02-18 15:35:39,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:39,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:39,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:39,892 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) [2022-02-18 15:35:39,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-18 15:35:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:39,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-18 15:35:39,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:40,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:35:40,348 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 15:35:40,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925107395] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:35:40,348 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:35:40,348 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-02-18 15:35:40,348 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354295446] [2022-02-18 15:35:40,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:35:40,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-18 15:35:40,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:40,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-18 15:35:40,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:35:40,350 INFO L87 Difference]: Start difference. First operand 1068 states and 1993 transitions. Second operand has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:40,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:40,630 INFO L93 Difference]: Finished difference Result 1083 states and 2008 transitions. [2022-02-18 15:35:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 15:35:40,631 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 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 81 [2022-02-18 15:35:40,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:40,635 INFO L225 Difference]: With dead ends: 1083 [2022-02-18 15:35:40,635 INFO L226 Difference]: Without dead ends: 1083 [2022-02-18 15:35:40,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:35:40,636 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 43 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:40,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 636 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 15:35:40,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2022-02-18 15:35:40,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1083. [2022-02-18 15:35:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8661710037174721) internal successors, (2008), 1082 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 2008 transitions. [2022-02-18 15:35:40,662 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 2008 transitions. Word has length 81 [2022-02-18 15:35:40,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:40,662 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 2008 transitions. [2022-02-18 15:35:40,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.260869565217392) internal successors, (98), 23 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:40,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 2008 transitions. [2022-02-18 15:35:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-02-18 15:35:40,664 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:40,664 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] [2022-02-18 15:35:40,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:40,879 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 [2022-02-18 15:35:40,880 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:40,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:40,880 INFO L85 PathProgramCache]: Analyzing trace with hash 827906497, now seen corresponding path program 2 times [2022-02-18 15:35:40,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:40,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250734530] [2022-02-18 15:35:40,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:40,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:41,050 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:41,051 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250734530] [2022-02-18 15:35:41,051 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250734530] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:41,051 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:41,051 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:35:41,051 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723421962] [2022-02-18 15:35:41,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:41,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:41,052 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:41,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:41,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:35:41,052 INFO L87 Difference]: Start difference. First operand 1083 states and 2008 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:41,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:41,260 INFO L93 Difference]: Finished difference Result 1504 states and 2821 transitions. [2022-02-18 15:35:41,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:41,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-02-18 15:35:41,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:41,266 INFO L225 Difference]: With dead ends: 1504 [2022-02-18 15:35:41,267 INFO L226 Difference]: Without dead ends: 1504 [2022-02-18 15:35:41,267 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 [2022-02-18 15:35:41,267 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 104 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:41,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 285 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:35:41,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2022-02-18 15:35:41,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1124. [2022-02-18 15:35:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 1117 states have (on average 1.8675022381378692) internal successors, (2086), 1123 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:41,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 2086 transitions. [2022-02-18 15:35:41,295 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 2086 transitions. Word has length 96 [2022-02-18 15:35:41,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:41,296 INFO L470 AbstractCegarLoop]: Abstraction has 1124 states and 2086 transitions. [2022-02-18 15:35:41,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 2086 transitions. [2022-02-18 15:35:41,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-02-18 15:35:41,300 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:41,300 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:35:41,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-18 15:35:41,300 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:41,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:41,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1432249786, now seen corresponding path program 1 times [2022-02-18 15:35:41,301 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:41,301 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709932227] [2022-02-18 15:35:41,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:41,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:41,414 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:41,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709932227] [2022-02-18 15:35:41,415 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709932227] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:41,415 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:41,415 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:35:41,415 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287931317] [2022-02-18 15:35:41,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:41,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:41,415 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:41,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:41,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:35:41,416 INFO L87 Difference]: Start difference. First operand 1124 states and 2086 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:41,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:41,644 INFO L93 Difference]: Finished difference Result 1447 states and 2641 transitions. [2022-02-18 15:35:41,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:41,645 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 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 104 [2022-02-18 15:35:41,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:41,649 INFO L225 Difference]: With dead ends: 1447 [2022-02-18 15:35:41,649 INFO L226 Difference]: Without dead ends: 1150 [2022-02-18 15:35:41,650 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 [2022-02-18 15:35:41,650 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 104 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:41,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 299 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:35:41,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-02-18 15:35:41,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 903. [2022-02-18 15:35:41,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 896 states have (on average 1.8091517857142858) internal successors, (1621), 902 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:41,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1621 transitions. [2022-02-18 15:35:41,670 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1621 transitions. Word has length 104 [2022-02-18 15:35:41,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:41,671 INFO L470 AbstractCegarLoop]: Abstraction has 903 states and 1621 transitions. [2022-02-18 15:35:41,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:41,671 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1621 transitions. [2022-02-18 15:35:41,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:41,672 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:41,672 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, 1, 1] [2022-02-18 15:35:41,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-18 15:35:41,673 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:41,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:41,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1475514096, now seen corresponding path program 1 times [2022-02-18 15:35:41,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:41,673 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168497309] [2022-02-18 15:35:41,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:41,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:42,005 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:42,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:42,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168497309] [2022-02-18 15:35:42,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168497309] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:42,006 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:42,006 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:42,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300213222] [2022-02-18 15:35:42,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:42,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:42,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:42,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:42,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:42,007 INFO L87 Difference]: Start difference. First operand 903 states and 1621 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:42,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:42,815 INFO L93 Difference]: Finished difference Result 1176 states and 2069 transitions. [2022-02-18 15:35:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:35:42,816 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:42,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:42,821 INFO L225 Difference]: With dead ends: 1176 [2022-02-18 15:35:42,821 INFO L226 Difference]: Without dead ends: 1135 [2022-02-18 15:35:42,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:35:42,822 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 268 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:42,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 635 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:35:42,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-02-18 15:35:42,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 898. [2022-02-18 15:35:42,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 891 states have (on average 1.8159371492704826) internal successors, (1618), 897 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:42,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1618 transitions. [2022-02-18 15:35:42,841 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1618 transitions. Word has length 110 [2022-02-18 15:35:42,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:42,842 INFO L470 AbstractCegarLoop]: Abstraction has 898 states and 1618 transitions. [2022-02-18 15:35:42,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1618 transitions. [2022-02-18 15:35:42,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:42,843 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:42,843 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, 1, 1] [2022-02-18 15:35:42,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-18 15:35:42,844 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:42,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:42,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1432498022, now seen corresponding path program 2 times [2022-02-18 15:35:42,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:42,844 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472244245] [2022-02-18 15:35:42,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:42,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:43,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:43,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472244245] [2022-02-18 15:35:43,197 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472244245] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:43,197 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:43,197 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:43,199 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755725839] [2022-02-18 15:35:43,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:43,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:43,199 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:43,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:43,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:43,200 INFO L87 Difference]: Start difference. First operand 898 states and 1618 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:44,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:44,279 INFO L93 Difference]: Finished difference Result 1263 states and 2237 transitions. [2022-02-18 15:35:44,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:35:44,283 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:44,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:44,288 INFO L225 Difference]: With dead ends: 1263 [2022-02-18 15:35:44,288 INFO L226 Difference]: Without dead ends: 1233 [2022-02-18 15:35:44,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2022-02-18 15:35:44,289 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 218 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:44,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 789 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-18 15:35:44,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2022-02-18 15:35:44,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 909. [2022-02-18 15:35:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 902 states have (on average 1.8148558758314857) internal successors, (1637), 908 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1637 transitions. [2022-02-18 15:35:44,308 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1637 transitions. Word has length 110 [2022-02-18 15:35:44,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:44,309 INFO L470 AbstractCegarLoop]: Abstraction has 909 states and 1637 transitions. [2022-02-18 15:35:44,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:44,309 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1637 transitions. [2022-02-18 15:35:44,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:44,310 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:44,311 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, 1, 1] [2022-02-18 15:35:44,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-18 15:35:44,311 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:44,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:44,311 INFO L85 PathProgramCache]: Analyzing trace with hash -590607614, now seen corresponding path program 3 times [2022-02-18 15:35:44,311 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:44,311 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407494079] [2022-02-18 15:35:44,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:44,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:44,642 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:44,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407494079] [2022-02-18 15:35:44,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407494079] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:44,643 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:44,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:44,643 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411501732] [2022-02-18 15:35:44,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:44,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:44,643 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:44,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:44,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:44,644 INFO L87 Difference]: Start difference. First operand 909 states and 1637 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:45,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:45,417 INFO L93 Difference]: Finished difference Result 1211 states and 2159 transitions. [2022-02-18 15:35:45,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:35:45,417 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:45,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:45,421 INFO L225 Difference]: With dead ends: 1211 [2022-02-18 15:35:45,421 INFO L226 Difference]: Without dead ends: 1182 [2022-02-18 15:35:45,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:35:45,422 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 214 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:45,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 657 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:35:45,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-02-18 15:35:45,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 925. [2022-02-18 15:35:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 918 states have (on average 1.8028322440087146) internal successors, (1655), 924 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1655 transitions. [2022-02-18 15:35:45,442 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1655 transitions. Word has length 110 [2022-02-18 15:35:45,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:45,442 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1655 transitions. [2022-02-18 15:35:45,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:45,442 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1655 transitions. [2022-02-18 15:35:45,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:45,443 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:45,444 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, 1, 1] [2022-02-18 15:35:45,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-18 15:35:45,444 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:45,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:45,444 INFO L85 PathProgramCache]: Analyzing trace with hash -822391322, now seen corresponding path program 4 times [2022-02-18 15:35:45,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:45,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623034647] [2022-02-18 15:35:45,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:45,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:45,789 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:45,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623034647] [2022-02-18 15:35:45,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623034647] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:45,789 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:45,789 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:45,789 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861271396] [2022-02-18 15:35:45,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:45,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:45,789 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:45,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:45,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:45,790 INFO L87 Difference]: Start difference. First operand 925 states and 1655 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:46,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:46,781 INFO L93 Difference]: Finished difference Result 1284 states and 2285 transitions. [2022-02-18 15:35:46,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:35:46,783 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:46,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:46,788 INFO L225 Difference]: With dead ends: 1284 [2022-02-18 15:35:46,788 INFO L226 Difference]: Without dead ends: 1261 [2022-02-18 15:35:46,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:35:46,789 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 192 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:46,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 722 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:35:46,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2022-02-18 15:35:46,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 927. [2022-02-18 15:35:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 920 states have (on average 1.8021739130434782) internal successors, (1658), 926 states have internal predecessors, (1658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1658 transitions. [2022-02-18 15:35:46,810 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1658 transitions. Word has length 110 [2022-02-18 15:35:46,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:46,810 INFO L470 AbstractCegarLoop]: Abstraction has 927 states and 1658 transitions. [2022-02-18 15:35:46,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:46,810 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1658 transitions. [2022-02-18 15:35:46,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:46,812 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:46,812 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, 1, 1] [2022-02-18 15:35:46,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-18 15:35:46,812 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:46,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:46,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1449470338, now seen corresponding path program 5 times [2022-02-18 15:35:46,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:46,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492668083] [2022-02-18 15:35:46,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:46,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:47,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:47,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492668083] [2022-02-18 15:35:47,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492668083] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:47,135 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:47,135 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:47,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495157271] [2022-02-18 15:35:47,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:47,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:47,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:47,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:47,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:47,137 INFO L87 Difference]: Start difference. First operand 927 states and 1658 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:47,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:47,972 INFO L93 Difference]: Finished difference Result 1321 states and 2352 transitions. [2022-02-18 15:35:47,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:35:47,972 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:47,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:47,977 INFO L225 Difference]: With dead ends: 1321 [2022-02-18 15:35:47,977 INFO L226 Difference]: Without dead ends: 1292 [2022-02-18 15:35:47,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:35:47,978 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 219 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:47,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 650 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:35:47,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2022-02-18 15:35:47,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 926. [2022-02-18 15:35:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 919 states have (on average 1.8030467899891187) internal successors, (1657), 925 states have internal predecessors, (1657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1657 transitions. [2022-02-18 15:35:47,995 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1657 transitions. Word has length 110 [2022-02-18 15:35:47,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:47,996 INFO L470 AbstractCegarLoop]: Abstraction has 926 states and 1657 transitions. [2022-02-18 15:35:47,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1657 transitions. [2022-02-18 15:35:47,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:47,997 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:47,997 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, 1, 1] [2022-02-18 15:35:47,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-18 15:35:47,997 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:47,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:47,998 INFO L85 PathProgramCache]: Analyzing trace with hash -280766288, now seen corresponding path program 6 times [2022-02-18 15:35:47,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:47,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297286490] [2022-02-18 15:35:47,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:47,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:48,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:48,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297286490] [2022-02-18 15:35:48,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297286490] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:48,241 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:48,241 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:48,241 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555397460] [2022-02-18 15:35:48,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:48,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:48,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:48,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:48,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:48,242 INFO L87 Difference]: Start difference. First operand 926 states and 1657 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:48,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:48,848 INFO L93 Difference]: Finished difference Result 1235 states and 2211 transitions. [2022-02-18 15:35:48,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:35:48,848 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:48,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:48,851 INFO L225 Difference]: With dead ends: 1235 [2022-02-18 15:35:48,852 INFO L226 Difference]: Without dead ends: 1199 [2022-02-18 15:35:48,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:35:48,852 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 185 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:48,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 743 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:48,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2022-02-18 15:35:48,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 946. [2022-02-18 15:35:48,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 939 states have (on average 1.807241746538871) internal successors, (1697), 945 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:48,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1697 transitions. [2022-02-18 15:35:48,869 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1697 transitions. Word has length 110 [2022-02-18 15:35:48,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:48,869 INFO L470 AbstractCegarLoop]: Abstraction has 946 states and 1697 transitions. [2022-02-18 15:35:48,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:48,870 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1697 transitions. [2022-02-18 15:35:48,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:48,871 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:48,871 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, 1, 1] [2022-02-18 15:35:48,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-18 15:35:48,871 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:48,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:48,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1073377992, now seen corresponding path program 7 times [2022-02-18 15:35:48,872 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:48,872 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023376222] [2022-02-18 15:35:48,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:48,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:49,243 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:49,243 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023376222] [2022-02-18 15:35:49,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023376222] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:49,243 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:49,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:49,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156835545] [2022-02-18 15:35:49,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:49,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:49,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:49,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:49,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:49,244 INFO L87 Difference]: Start difference. First operand 946 states and 1697 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:50,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:50,222 INFO L93 Difference]: Finished difference Result 1232 states and 2196 transitions. [2022-02-18 15:35:50,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:35:50,223 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:50,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:50,226 INFO L225 Difference]: With dead ends: 1232 [2022-02-18 15:35:50,227 INFO L226 Difference]: Without dead ends: 1209 [2022-02-18 15:35:50,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:35:50,227 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 188 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:50,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 713 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:35:50,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2022-02-18 15:35:50,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 949. [2022-02-18 15:35:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 942 states have (on average 1.8067940552016986) internal successors, (1702), 948 states have internal predecessors, (1702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1702 transitions. [2022-02-18 15:35:50,244 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1702 transitions. Word has length 110 [2022-02-18 15:35:50,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:50,244 INFO L470 AbstractCegarLoop]: Abstraction has 949 states and 1702 transitions. [2022-02-18 15:35:50,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1702 transitions. [2022-02-18 15:35:50,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:50,246 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:50,246 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, 1, 1] [2022-02-18 15:35:50,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-18 15:35:50,246 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:50,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:50,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1198483668, now seen corresponding path program 8 times [2022-02-18 15:35:50,247 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:50,247 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728090086] [2022-02-18 15:35:50,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:50,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:50,564 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:50,564 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:50,564 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728090086] [2022-02-18 15:35:50,564 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728090086] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:50,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:50,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:50,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066240245] [2022-02-18 15:35:50,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:50,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:50,565 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:50,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:50,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:50,566 INFO L87 Difference]: Start difference. First operand 949 states and 1702 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:51,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:51,547 INFO L93 Difference]: Finished difference Result 1269 states and 2263 transitions. [2022-02-18 15:35:51,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:35:51,551 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:51,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:51,556 INFO L225 Difference]: With dead ends: 1269 [2022-02-18 15:35:51,556 INFO L226 Difference]: Without dead ends: 1240 [2022-02-18 15:35:51,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:35:51,557 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 214 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:51,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 644 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:35:51,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2022-02-18 15:35:51,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 948. [2022-02-18 15:35:51,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 941 states have (on average 1.8076514346439958) internal successors, (1701), 947 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1701 transitions. [2022-02-18 15:35:51,573 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1701 transitions. Word has length 110 [2022-02-18 15:35:51,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:51,573 INFO L470 AbstractCegarLoop]: Abstraction has 948 states and 1701 transitions. [2022-02-18 15:35:51,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1701 transitions. [2022-02-18 15:35:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:51,575 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:51,575 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, 1, 1, 1, 1, 1] [2022-02-18 15:35:51,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-18 15:35:51,575 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:51,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:51,576 INFO L85 PathProgramCache]: Analyzing trace with hash -531752958, now seen corresponding path program 9 times [2022-02-18 15:35:51,576 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:51,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585840243] [2022-02-18 15:35:51,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:51,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:51,841 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:51,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:51,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585840243] [2022-02-18 15:35:51,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585840243] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:51,841 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:51,841 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:51,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445437110] [2022-02-18 15:35:51,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:51,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:51,842 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:51,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:51,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:51,843 INFO L87 Difference]: Start difference. First operand 948 states and 1701 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:52,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:52,558 INFO L93 Difference]: Finished difference Result 1324 states and 2356 transitions. [2022-02-18 15:35:52,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:35:52,559 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:52,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:52,563 INFO L225 Difference]: With dead ends: 1324 [2022-02-18 15:35:52,563 INFO L226 Difference]: Without dead ends: 1288 [2022-02-18 15:35:52,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:35:52,563 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 215 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:52,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 569 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:52,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2022-02-18 15:35:52,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 947. [2022-02-18 15:35:52,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 940 states have (on average 1.8074468085106383) internal successors, (1699), 946 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:52,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1699 transitions. [2022-02-18 15:35:52,579 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1699 transitions. Word has length 110 [2022-02-18 15:35:52,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:52,580 INFO L470 AbstractCegarLoop]: Abstraction has 947 states and 1699 transitions. [2022-02-18 15:35:52,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1699 transitions. [2022-02-18 15:35:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:52,581 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:52,581 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, 1, 1] [2022-02-18 15:35:52,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-18 15:35:52,581 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:52,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:52,582 INFO L85 PathProgramCache]: Analyzing trace with hash -26692798, now seen corresponding path program 10 times [2022-02-18 15:35:52,582 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:52,582 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704081797] [2022-02-18 15:35:52,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:52,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:52,821 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:52,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704081797] [2022-02-18 15:35:52,822 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704081797] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:52,822 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:52,822 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:52,822 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421873079] [2022-02-18 15:35:52,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:52,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:52,824 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:52,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:52,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:52,824 INFO L87 Difference]: Start difference. First operand 947 states and 1699 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:53,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:53,362 INFO L93 Difference]: Finished difference Result 1177 states and 2109 transitions. [2022-02-18 15:35:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:35:53,362 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:53,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:53,365 INFO L225 Difference]: With dead ends: 1177 [2022-02-18 15:35:53,365 INFO L226 Difference]: Without dead ends: 1134 [2022-02-18 15:35:53,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:35:53,365 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 172 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:53,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 566 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:53,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2022-02-18 15:35:53,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 971. [2022-02-18 15:35:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 964 states have (on average 1.812240663900415) internal successors, (1747), 970 states have internal predecessors, (1747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1747 transitions. [2022-02-18 15:35:53,385 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1747 transitions. Word has length 110 [2022-02-18 15:35:53,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:53,386 INFO L470 AbstractCegarLoop]: Abstraction has 971 states and 1747 transitions. [2022-02-18 15:35:53,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:53,386 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1747 transitions. [2022-02-18 15:35:53,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:53,393 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:53,393 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, 1, 1] [2022-02-18 15:35:53,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-18 15:35:53,393 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:53,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:53,394 INFO L85 PathProgramCache]: Analyzing trace with hash 18344714, now seen corresponding path program 11 times [2022-02-18 15:35:53,394 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:53,394 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650755172] [2022-02-18 15:35:53,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:53,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:53,639 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:53,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650755172] [2022-02-18 15:35:53,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650755172] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:53,639 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:53,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:53,639 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636364633] [2022-02-18 15:35:53,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:53,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:53,639 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:53,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:53,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:53,640 INFO L87 Difference]: Start difference. First operand 971 states and 1747 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:54,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:54,138 INFO L93 Difference]: Finished difference Result 1712 states and 3095 transitions. [2022-02-18 15:35:54,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:35:54,139 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:54,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:54,143 INFO L225 Difference]: With dead ends: 1712 [2022-02-18 15:35:54,143 INFO L226 Difference]: Without dead ends: 1661 [2022-02-18 15:35:54,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:35:54,144 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 368 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:54,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [368 Valid, 450 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:54,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2022-02-18 15:35:54,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1179. [2022-02-18 15:35:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1179 states, 1172 states have (on average 1.8506825938566553) internal successors, (2169), 1178 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:54,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 2169 transitions. [2022-02-18 15:35:54,172 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 2169 transitions. Word has length 110 [2022-02-18 15:35:54,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:54,172 INFO L470 AbstractCegarLoop]: Abstraction has 1179 states and 2169 transitions. [2022-02-18 15:35:54,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2169 transitions. [2022-02-18 15:35:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:54,174 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:54,174 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, 1, 1] [2022-02-18 15:35:54,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-18 15:35:54,174 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:54,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:54,175 INFO L85 PathProgramCache]: Analyzing trace with hash -724763226, now seen corresponding path program 1 times [2022-02-18 15:35:54,175 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:54,175 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876085171] [2022-02-18 15:35:54,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:54,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:54,397 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:54,397 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:54,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876085171] [2022-02-18 15:35:54,398 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876085171] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:54,398 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:54,398 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:54,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916589090] [2022-02-18 15:35:54,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:54,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:54,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:54,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:54,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:54,399 INFO L87 Difference]: Start difference. First operand 1179 states and 2169 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:54,939 INFO L93 Difference]: Finished difference Result 1533 states and 2770 transitions. [2022-02-18 15:35:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:35:54,940 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:54,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:54,942 INFO L225 Difference]: With dead ends: 1533 [2022-02-18 15:35:54,942 INFO L226 Difference]: Without dead ends: 1485 [2022-02-18 15:35:54,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:35:54,943 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 350 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:54,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [350 Valid, 535 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:54,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2022-02-18 15:35:54,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1187. [2022-02-18 15:35:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1180 states have (on average 1.8483050847457627) internal successors, (2181), 1186 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2181 transitions. [2022-02-18 15:35:54,975 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2181 transitions. Word has length 110 [2022-02-18 15:35:54,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:54,975 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 2181 transitions. [2022-02-18 15:35:54,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:54,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2181 transitions. [2022-02-18 15:35:54,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:54,977 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:54,977 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, 1, 1] [2022-02-18 15:35:54,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-18 15:35:54,978 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:54,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:54,978 INFO L85 PathProgramCache]: Analyzing trace with hash 2136923978, now seen corresponding path program 12 times [2022-02-18 15:35:54,978 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:54,979 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835216971] [2022-02-18 15:35:54,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:54,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:55,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:55,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835216971] [2022-02-18 15:35:55,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835216971] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:55,365 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:55,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:55,365 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925299007] [2022-02-18 15:35:55,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:55,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:55,365 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:55,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:55,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:55,366 INFO L87 Difference]: Start difference. First operand 1187 states and 2181 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:56,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:56,071 INFO L93 Difference]: Finished difference Result 1479 states and 2661 transitions. [2022-02-18 15:35:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:35:56,072 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:56,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:56,074 INFO L225 Difference]: With dead ends: 1479 [2022-02-18 15:35:56,074 INFO L226 Difference]: Without dead ends: 1456 [2022-02-18 15:35:56,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:56,075 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 180 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:56,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 645 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:56,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2022-02-18 15:35:56,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1187. [2022-02-18 15:35:56,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1180 states have (on average 1.847457627118644) internal successors, (2180), 1186 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:56,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2180 transitions. [2022-02-18 15:35:56,103 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2180 transitions. Word has length 110 [2022-02-18 15:35:56,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:56,103 INFO L470 AbstractCegarLoop]: Abstraction has 1187 states and 2180 transitions. [2022-02-18 15:35:56,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:56,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2180 transitions. [2022-02-18 15:35:56,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:56,105 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:56,105 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, 1, 1] [2022-02-18 15:35:56,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-18 15:35:56,106 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:56,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:56,106 INFO L85 PathProgramCache]: Analyzing trace with hash 113818342, now seen corresponding path program 13 times [2022-02-18 15:35:56,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:56,107 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397908752] [2022-02-18 15:35:56,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:56,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:56,444 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:56,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397908752] [2022-02-18 15:35:56,445 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397908752] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:56,445 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:56,445 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:56,445 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709676561] [2022-02-18 15:35:56,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:56,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:56,445 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:56,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:56,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:56,446 INFO L87 Difference]: Start difference. First operand 1187 states and 2180 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:57,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:57,014 INFO L93 Difference]: Finished difference Result 1508 states and 2715 transitions. [2022-02-18 15:35:57,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:35:57,014 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:57,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:57,017 INFO L225 Difference]: With dead ends: 1508 [2022-02-18 15:35:57,017 INFO L226 Difference]: Without dead ends: 1479 [2022-02-18 15:35:57,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:57,018 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 208 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:57,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 489 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:57,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2022-02-18 15:35:57,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 1186. [2022-02-18 15:35:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 1179 states have (on average 1.8481764206955047) internal successors, (2179), 1185 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:57,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 2179 transitions. [2022-02-18 15:35:57,036 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 2179 transitions. Word has length 110 [2022-02-18 15:35:57,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:57,036 INFO L470 AbstractCegarLoop]: Abstraction has 1186 states and 2179 transitions. [2022-02-18 15:35:57,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:57,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 2179 transitions. [2022-02-18 15:35:57,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:57,038 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:57,038 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, 1, 1] [2022-02-18 15:35:57,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-18 15:35:57,039 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:57,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:57,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1616418284, now seen corresponding path program 14 times [2022-02-18 15:35:57,039 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:57,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790541012] [2022-02-18 15:35:57,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:57,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:57,327 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:57,327 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790541012] [2022-02-18 15:35:57,327 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790541012] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:57,328 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:57,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:57,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594678366] [2022-02-18 15:35:57,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:57,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:57,328 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:57,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:57,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:57,329 INFO L87 Difference]: Start difference. First operand 1186 states and 2179 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:57,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:57,895 INFO L93 Difference]: Finished difference Result 1554 states and 2790 transitions. [2022-02-18 15:35:57,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:35:57,896 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:57,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:57,898 INFO L225 Difference]: With dead ends: 1554 [2022-02-18 15:35:57,898 INFO L226 Difference]: Without dead ends: 1518 [2022-02-18 15:35:57,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:57,899 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 271 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:57,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 448 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:57,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2022-02-18 15:35:57,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1185. [2022-02-18 15:35:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1178 states have (on average 1.8480475382003396) internal successors, (2177), 1184 states have internal predecessors, (2177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 2177 transitions. [2022-02-18 15:35:57,919 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 2177 transitions. Word has length 110 [2022-02-18 15:35:57,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:57,919 INFO L470 AbstractCegarLoop]: Abstraction has 1185 states and 2177 transitions. [2022-02-18 15:35:57,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:57,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2177 transitions. [2022-02-18 15:35:57,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:57,921 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:57,921 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, 1, 1] [2022-02-18 15:35:57,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-18 15:35:57,922 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:57,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:57,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1111358124, now seen corresponding path program 15 times [2022-02-18 15:35:57,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:57,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730708523] [2022-02-18 15:35:57,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:57,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:58,185 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:58,185 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730708523] [2022-02-18 15:35:58,185 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730708523] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:58,185 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:58,185 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:58,185 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642201936] [2022-02-18 15:35:58,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:58,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:58,186 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:58,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:58,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:58,186 INFO L87 Difference]: Start difference. First operand 1185 states and 2177 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:58,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:58,714 INFO L93 Difference]: Finished difference Result 1496 states and 2690 transitions. [2022-02-18 15:35:58,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:35:58,714 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:58,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:58,717 INFO L225 Difference]: With dead ends: 1496 [2022-02-18 15:35:58,717 INFO L226 Difference]: Without dead ends: 1453 [2022-02-18 15:35:58,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:58,717 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 247 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:58,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 517 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:58,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2022-02-18 15:35:58,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1163. [2022-02-18 15:35:58,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1156 states have (on average 1.8451557093425606) internal successors, (2133), 1162 states have internal predecessors, (2133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2133 transitions. [2022-02-18 15:35:58,734 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2133 transitions. Word has length 110 [2022-02-18 15:35:58,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:58,734 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 2133 transitions. [2022-02-18 15:35:58,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:58,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2133 transitions. [2022-02-18 15:35:58,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:58,736 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:58,736 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, 1, 1] [2022-02-18 15:35:58,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-18 15:35:58,736 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:58,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:58,737 INFO L85 PathProgramCache]: Analyzing trace with hash -347285014, now seen corresponding path program 1 times [2022-02-18 15:35:58,737 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:58,737 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762869062] [2022-02-18 15:35:58,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:58,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:59,052 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:59,052 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:59,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762869062] [2022-02-18 15:35:59,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762869062] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:59,052 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:59,052 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:59,052 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801741913] [2022-02-18 15:35:59,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:59,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:59,053 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:59,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:59,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:59,053 INFO L87 Difference]: Start difference. First operand 1163 states and 2133 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:59,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:59,683 INFO L93 Difference]: Finished difference Result 1477 states and 2702 transitions. [2022-02-18 15:35:59,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:35:59,683 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:35:59,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:59,685 INFO L225 Difference]: With dead ends: 1477 [2022-02-18 15:35:59,685 INFO L226 Difference]: Without dead ends: 1463 [2022-02-18 15:35:59,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:35:59,686 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 228 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:59,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 680 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:59,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2022-02-18 15:35:59,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1184. [2022-02-18 15:35:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1177 states have (on average 1.8513169073916738) internal successors, (2179), 1183 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2179 transitions. [2022-02-18 15:35:59,705 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2179 transitions. Word has length 110 [2022-02-18 15:35:59,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:59,705 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2179 transitions. [2022-02-18 15:35:59,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:35:59,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2179 transitions. [2022-02-18 15:35:59,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:35:59,707 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:59,707 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, 1, 1] [2022-02-18 15:35:59,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-18 15:35:59,707 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:59,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:59,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1081675656, now seen corresponding path program 2 times [2022-02-18 15:35:59,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:59,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024259565] [2022-02-18 15:35:59,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:59,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:00,049 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:00,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024259565] [2022-02-18 15:36:00,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024259565] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:00,049 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:00,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:00,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719862794] [2022-02-18 15:36:00,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:00,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:00,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:00,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:00,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:00,050 INFO L87 Difference]: Start difference. First operand 1184 states and 2179 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:01,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:01,109 INFO L93 Difference]: Finished difference Result 1667 states and 3067 transitions. [2022-02-18 15:36:01,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-18 15:36:01,109 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:01,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:01,112 INFO L225 Difference]: With dead ends: 1667 [2022-02-18 15:36:01,113 INFO L226 Difference]: Without dead ends: 1653 [2022-02-18 15:36:01,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:36:01,113 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 269 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:01,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 821 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:01,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2022-02-18 15:36:01,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1194. [2022-02-18 15:36:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1187 states have (on average 1.8500421229991575) internal successors, (2196), 1193 states have internal predecessors, (2196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 2196 transitions. [2022-02-18 15:36:01,131 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 2196 transitions. Word has length 110 [2022-02-18 15:36:01,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:01,132 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 2196 transitions. [2022-02-18 15:36:01,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:01,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 2196 transitions. [2022-02-18 15:36:01,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:01,133 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:01,133 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, 1, 1] [2022-02-18 15:36:01,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-18 15:36:01,134 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:01,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:01,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1609696764, now seen corresponding path program 3 times [2022-02-18 15:36:01,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:01,134 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108391155] [2022-02-18 15:36:01,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:01,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:01,449 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:01,449 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108391155] [2022-02-18 15:36:01,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108391155] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:01,449 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:01,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:01,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591296163] [2022-02-18 15:36:01,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:01,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:01,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:01,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:01,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:01,450 INFO L87 Difference]: Start difference. First operand 1194 states and 2196 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:02,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:02,186 INFO L93 Difference]: Finished difference Result 1533 states and 2826 transitions. [2022-02-18 15:36:02,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:36:02,186 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:02,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:02,188 INFO L225 Difference]: With dead ends: 1533 [2022-02-18 15:36:02,188 INFO L226 Difference]: Without dead ends: 1519 [2022-02-18 15:36:02,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:02,189 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 229 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:02,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 764 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:02,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2022-02-18 15:36:02,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1209. [2022-02-18 15:36:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1202 states have (on average 1.8510815307820299) internal successors, (2225), 1208 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 2225 transitions. [2022-02-18 15:36:02,205 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 2225 transitions. Word has length 110 [2022-02-18 15:36:02,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:02,205 INFO L470 AbstractCegarLoop]: Abstraction has 1209 states and 2225 transitions. [2022-02-18 15:36:02,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 2225 transitions. [2022-02-18 15:36:02,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:02,207 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:02,207 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, 1, 1, 1, 1, 1] [2022-02-18 15:36:02,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-18 15:36:02,207 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:02,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:02,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1066179186, now seen corresponding path program 4 times [2022-02-18 15:36:02,208 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:02,208 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256541534] [2022-02-18 15:36:02,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:02,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:02,565 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:02,566 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:02,566 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256541534] [2022-02-18 15:36:02,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256541534] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:02,566 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:02,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:02,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955727146] [2022-02-18 15:36:02,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:02,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:02,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:02,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:02,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:02,567 INFO L87 Difference]: Start difference. First operand 1209 states and 2225 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:03,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:03,501 INFO L93 Difference]: Finished difference Result 1698 states and 3144 transitions. [2022-02-18 15:36:03,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:36:03,502 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:03,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:03,505 INFO L225 Difference]: With dead ends: 1698 [2022-02-18 15:36:03,505 INFO L226 Difference]: Without dead ends: 1691 [2022-02-18 15:36:03,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:36:03,506 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 268 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:03,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 702 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:03,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2022-02-18 15:36:03,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1211. [2022-02-18 15:36:03,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1204 states have (on average 1.851328903654485) internal successors, (2229), 1210 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:03,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 2229 transitions. [2022-02-18 15:36:03,523 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 2229 transitions. Word has length 110 [2022-02-18 15:36:03,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:03,524 INFO L470 AbstractCegarLoop]: Abstraction has 1211 states and 2229 transitions. [2022-02-18 15:36:03,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 2229 transitions. [2022-02-18 15:36:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:03,526 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:03,526 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, 1, 1] [2022-02-18 15:36:03,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-18 15:36:03,526 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:03,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:03,526 INFO L85 PathProgramCache]: Analyzing trace with hash -538158078, now seen corresponding path program 5 times [2022-02-18 15:36:03,527 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:03,527 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345665305] [2022-02-18 15:36:03,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:03,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:03,853 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:03,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345665305] [2022-02-18 15:36:03,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345665305] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:03,853 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:03,853 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:03,853 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533810734] [2022-02-18 15:36:03,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:03,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:03,854 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:03,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:03,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:03,854 INFO L87 Difference]: Start difference. First operand 1211 states and 2229 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:04,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:04,626 INFO L93 Difference]: Finished difference Result 1741 states and 3224 transitions. [2022-02-18 15:36:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:36:04,627 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:04,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:04,634 INFO L225 Difference]: With dead ends: 1741 [2022-02-18 15:36:04,634 INFO L226 Difference]: Without dead ends: 1727 [2022-02-18 15:36:04,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=306, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:36:04,636 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 280 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:04,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 559 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:04,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2022-02-18 15:36:04,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1210. [2022-02-18 15:36:04,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 1203 states have (on average 1.8512053200332501) internal successors, (2227), 1209 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:04,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 2227 transitions. [2022-02-18 15:36:04,658 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 2227 transitions. Word has length 110 [2022-02-18 15:36:04,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:04,658 INFO L470 AbstractCegarLoop]: Abstraction has 1210 states and 2227 transitions. [2022-02-18 15:36:04,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:04,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 2227 transitions. [2022-02-18 15:36:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:04,660 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:04,661 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, 1, 1] [2022-02-18 15:36:04,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-18 15:36:04,661 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:04,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:04,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1059393834, now seen corresponding path program 6 times [2022-02-18 15:36:04,661 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:04,662 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894856060] [2022-02-18 15:36:04,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:04,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:04,963 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:04,964 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894856060] [2022-02-18 15:36:04,964 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894856060] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:04,964 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:04,964 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:04,964 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716176401] [2022-02-18 15:36:04,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:04,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:04,964 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:04,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:04,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:04,972 INFO L87 Difference]: Start difference. First operand 1210 states and 2227 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:05,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:05,614 INFO L93 Difference]: Finished difference Result 1564 states and 2898 transitions. [2022-02-18 15:36:05,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:36:05,615 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:05,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:05,617 INFO L225 Difference]: With dead ends: 1564 [2022-02-18 15:36:05,617 INFO L226 Difference]: Without dead ends: 1543 [2022-02-18 15:36:05,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:05,618 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 215 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:05,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 754 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:05,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2022-02-18 15:36:05,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1227. [2022-02-18 15:36:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 1220 states have (on average 1.8524590163934427) internal successors, (2260), 1226 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 2260 transitions. [2022-02-18 15:36:05,632 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 2260 transitions. Word has length 110 [2022-02-18 15:36:05,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:05,633 INFO L470 AbstractCegarLoop]: Abstraction has 1227 states and 2260 transitions. [2022-02-18 15:36:05,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:05,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 2260 transitions. [2022-02-18 15:36:05,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:05,634 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:05,635 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, 1, 1] [2022-02-18 15:36:05,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-18 15:36:05,635 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:05,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:05,635 INFO L85 PathProgramCache]: Analyzing trace with hash 841263638, now seen corresponding path program 7 times [2022-02-18 15:36:05,635 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:05,636 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754400164] [2022-02-18 15:36:05,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:05,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:06,032 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:06,032 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:06,033 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754400164] [2022-02-18 15:36:06,033 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754400164] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:06,033 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:06,033 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:06,033 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9343407] [2022-02-18 15:36:06,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:06,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:06,033 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:06,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:06,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:06,034 INFO L87 Difference]: Start difference. First operand 1227 states and 2260 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:06,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:06,856 INFO L93 Difference]: Finished difference Result 1651 states and 3056 transitions. [2022-02-18 15:36:06,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:36:06,856 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:06,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:06,860 INFO L225 Difference]: With dead ends: 1651 [2022-02-18 15:36:06,860 INFO L226 Difference]: Without dead ends: 1644 [2022-02-18 15:36:06,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:36:06,860 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 245 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:06,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 566 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2022-02-18 15:36:06,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1230. [2022-02-18 15:36:06,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 1223 states have (on average 1.8528209321340965) internal successors, (2266), 1229 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:06,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 2266 transitions. [2022-02-18 15:36:06,877 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 2266 transitions. Word has length 110 [2022-02-18 15:36:06,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:06,878 INFO L470 AbstractCegarLoop]: Abstraction has 1230 states and 2266 transitions. [2022-02-18 15:36:06,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:06,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 2266 transitions. [2022-02-18 15:36:06,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:06,879 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:06,879 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, 1, 1] [2022-02-18 15:36:06,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-18 15:36:06,880 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:06,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:06,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1369284746, now seen corresponding path program 8 times [2022-02-18 15:36:06,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:06,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123171997] [2022-02-18 15:36:06,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:06,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:07,236 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:07,236 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123171997] [2022-02-18 15:36:07,236 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123171997] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:07,236 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:07,236 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:07,236 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764061182] [2022-02-18 15:36:07,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:07,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:07,237 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:07,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:07,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:07,237 INFO L87 Difference]: Start difference. First operand 1230 states and 2266 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:08,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:08,102 INFO L93 Difference]: Finished difference Result 1694 states and 3136 transitions. [2022-02-18 15:36:08,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:36:08,103 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:08,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:08,106 INFO L225 Difference]: With dead ends: 1694 [2022-02-18 15:36:08,106 INFO L226 Difference]: Without dead ends: 1680 [2022-02-18 15:36:08,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:36:08,106 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 212 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:08,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 849 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:08,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2022-02-18 15:36:08,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1229. [2022-02-18 15:36:08,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 1222 states have (on average 1.8527004909983633) internal successors, (2264), 1228 states have internal predecessors, (2264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:08,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 2264 transitions. [2022-02-18 15:36:08,123 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 2264 transitions. Word has length 110 [2022-02-18 15:36:08,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:08,123 INFO L470 AbstractCegarLoop]: Abstraction has 1229 states and 2264 transitions. [2022-02-18 15:36:08,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 2264 transitions. [2022-02-18 15:36:08,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:08,125 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:08,125 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, 1, 1] [2022-02-18 15:36:08,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-18 15:36:08,125 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:08,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:08,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1328130638, now seen corresponding path program 9 times [2022-02-18 15:36:08,126 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:08,126 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685088765] [2022-02-18 15:36:08,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:08,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:08,449 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:08,450 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:08,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685088765] [2022-02-18 15:36:08,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685088765] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:08,450 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:08,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:08,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298708269] [2022-02-18 15:36:08,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:08,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:08,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:08,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:08,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:08,451 INFO L87 Difference]: Start difference. First operand 1229 states and 2264 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:09,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:09,191 INFO L93 Difference]: Finished difference Result 1741 states and 3227 transitions. [2022-02-18 15:36:09,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:36:09,192 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:09,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:09,196 INFO L225 Difference]: With dead ends: 1741 [2022-02-18 15:36:09,196 INFO L226 Difference]: Without dead ends: 1720 [2022-02-18 15:36:09,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:36:09,197 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 256 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:09,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 681 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:09,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2022-02-18 15:36:09,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1228. [2022-02-18 15:36:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 1221 states have (on average 1.8525798525798525) internal successors, (2262), 1227 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 2262 transitions. [2022-02-18 15:36:09,216 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 2262 transitions. Word has length 110 [2022-02-18 15:36:09,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:09,216 INFO L470 AbstractCegarLoop]: Abstraction has 1228 states and 2262 transitions. [2022-02-18 15:36:09,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 2262 transitions. [2022-02-18 15:36:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:09,218 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:09,218 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, 1, 1] [2022-02-18 15:36:09,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-18 15:36:09,218 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:09,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:09,219 INFO L85 PathProgramCache]: Analyzing trace with hash 2088485180, now seen corresponding path program 10 times [2022-02-18 15:36:09,219 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:09,219 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643556841] [2022-02-18 15:36:09,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:09,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:09,515 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:09,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643556841] [2022-02-18 15:36:09,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643556841] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:09,515 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:09,515 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:09,515 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622640518] [2022-02-18 15:36:09,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:09,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:09,516 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:09,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:09,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:09,516 INFO L87 Difference]: Start difference. First operand 1228 states and 2262 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:10,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:10,023 INFO L93 Difference]: Finished difference Result 1522 states and 2815 transitions. [2022-02-18 15:36:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:36:10,027 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:10,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:10,030 INFO L225 Difference]: With dead ends: 1522 [2022-02-18 15:36:10,030 INFO L226 Difference]: Without dead ends: 1494 [2022-02-18 15:36:10,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:10,031 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 239 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:10,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 558 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:10,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2022-02-18 15:36:10,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1247. [2022-02-18 15:36:10,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1240 states have (on average 1.854032258064516) internal successors, (2299), 1246 states have internal predecessors, (2299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:10,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 2299 transitions. [2022-02-18 15:36:10,045 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 2299 transitions. Word has length 110 [2022-02-18 15:36:10,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:10,045 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 2299 transitions. [2022-02-18 15:36:10,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:10,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2299 transitions. [2022-02-18 15:36:10,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:10,046 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:10,046 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, 1, 1] [2022-02-18 15:36:10,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-18 15:36:10,047 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:10,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:10,047 INFO L85 PathProgramCache]: Analyzing trace with hash 330556564, now seen corresponding path program 11 times [2022-02-18 15:36:10,047 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:10,047 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849142329] [2022-02-18 15:36:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:10,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:10,449 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:10,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849142329] [2022-02-18 15:36:10,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849142329] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:10,458 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:10,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:10,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013149519] [2022-02-18 15:36:10,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:10,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:10,458 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:10,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:10,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:10,459 INFO L87 Difference]: Start difference. First operand 1247 states and 2299 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:11,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:11,022 INFO L93 Difference]: Finished difference Result 1498 states and 2736 transitions. [2022-02-18 15:36:11,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:36:11,022 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:11,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:11,025 INFO L225 Difference]: With dead ends: 1498 [2022-02-18 15:36:11,025 INFO L226 Difference]: Without dead ends: 1491 [2022-02-18 15:36:11,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:11,025 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 237 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:11,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 509 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:11,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2022-02-18 15:36:11,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1246. [2022-02-18 15:36:11,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1246 states, 1239 states have (on average 1.8539144471347861) internal successors, (2297), 1245 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 2297 transitions. [2022-02-18 15:36:11,042 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 2297 transitions. Word has length 110 [2022-02-18 15:36:11,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:11,042 INFO L470 AbstractCegarLoop]: Abstraction has 1246 states and 2297 transitions. [2022-02-18 15:36:11,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:11,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 2297 transitions. [2022-02-18 15:36:11,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:11,044 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:11,044 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, 1, 1] [2022-02-18 15:36:11,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-18 15:36:11,044 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:11,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:11,045 INFO L85 PathProgramCache]: Analyzing trace with hash 858577672, now seen corresponding path program 12 times [2022-02-18 15:36:11,045 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:11,045 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114464916] [2022-02-18 15:36:11,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:11,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:11,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:11,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114464916] [2022-02-18 15:36:11,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114464916] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:11,411 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:11,411 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:11,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740081759] [2022-02-18 15:36:11,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:11,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:11,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:11,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:11,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:11,412 INFO L87 Difference]: Start difference. First operand 1246 states and 2297 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:11,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:11,969 INFO L93 Difference]: Finished difference Result 1541 states and 2816 transitions. [2022-02-18 15:36:11,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:36:11,969 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:11,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:11,971 INFO L225 Difference]: With dead ends: 1541 [2022-02-18 15:36:11,971 INFO L226 Difference]: Without dead ends: 1527 [2022-02-18 15:36:11,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:11,971 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 251 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:11,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 439 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:11,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2022-02-18 15:36:11,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1245. [2022-02-18 15:36:11,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 1238 states have (on average 1.8537964458804523) internal successors, (2295), 1244 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:11,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 2295 transitions. [2022-02-18 15:36:11,987 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 2295 transitions. Word has length 110 [2022-02-18 15:36:11,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:11,987 INFO L470 AbstractCegarLoop]: Abstraction has 1245 states and 2295 transitions. [2022-02-18 15:36:11,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:11,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 2295 transitions. [2022-02-18 15:36:11,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:11,988 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:11,988 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, 1, 1] [2022-02-18 15:36:11,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-18 15:36:11,989 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:11,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:11,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1838837712, now seen corresponding path program 13 times [2022-02-18 15:36:11,989 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:11,989 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902788953] [2022-02-18 15:36:11,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:11,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:12,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:12,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902788953] [2022-02-18 15:36:12,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902788953] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:12,317 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:12,317 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:12,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122146310] [2022-02-18 15:36:12,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:12,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:12,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:12,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:12,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:12,318 INFO L87 Difference]: Start difference. First operand 1245 states and 2295 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:12,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:12,900 INFO L93 Difference]: Finished difference Result 1588 states and 2907 transitions. [2022-02-18 15:36:12,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:36:12,900 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:12,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:12,902 INFO L225 Difference]: With dead ends: 1588 [2022-02-18 15:36:12,902 INFO L226 Difference]: Without dead ends: 1567 [2022-02-18 15:36:12,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:12,903 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 240 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:12,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 456 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:12,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2022-02-18 15:36:12,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1244. [2022-02-18 15:36:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 1237 states have (on average 1.8536782538399352) internal successors, (2293), 1243 states have internal predecessors, (2293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 2293 transitions. [2022-02-18 15:36:12,915 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 2293 transitions. Word has length 110 [2022-02-18 15:36:12,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:12,915 INFO L470 AbstractCegarLoop]: Abstraction has 1244 states and 2293 transitions. [2022-02-18 15:36:12,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 2293 transitions. [2022-02-18 15:36:12,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:12,916 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:12,917 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, 1, 1] [2022-02-18 15:36:12,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-18 15:36:12,917 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:12,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:12,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1577778106, now seen corresponding path program 14 times [2022-02-18 15:36:12,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:12,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228907622] [2022-02-18 15:36:12,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:12,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:13,206 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:13,206 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228907622] [2022-02-18 15:36:13,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228907622] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:13,206 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:13,206 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:13,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426539356] [2022-02-18 15:36:13,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:13,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:13,206 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:13,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:13,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:13,207 INFO L87 Difference]: Start difference. First operand 1244 states and 2293 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:13,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:13,799 INFO L93 Difference]: Finished difference Result 1639 states and 3006 transitions. [2022-02-18 15:36:13,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:36:13,799 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:13,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:13,801 INFO L225 Difference]: With dead ends: 1639 [2022-02-18 15:36:13,801 INFO L226 Difference]: Without dead ends: 1611 [2022-02-18 15:36:13,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:13,802 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 322 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:13,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 420 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:13,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2022-02-18 15:36:13,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1243. [2022-02-18 15:36:13,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 1236 states have (on average 1.853559870550162) internal successors, (2291), 1242 states have internal predecessors, (2291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:13,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 2291 transitions. [2022-02-18 15:36:13,827 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 2291 transitions. Word has length 110 [2022-02-18 15:36:13,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:13,827 INFO L470 AbstractCegarLoop]: Abstraction has 1243 states and 2291 transitions. [2022-02-18 15:36:13,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:13,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 2291 transitions. [2022-02-18 15:36:13,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:13,829 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:13,829 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, 1, 1] [2022-02-18 15:36:13,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-18 15:36:13,830 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:13,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:13,830 INFO L85 PathProgramCache]: Analyzing trace with hash -934609174, now seen corresponding path program 15 times [2022-02-18 15:36:13,830 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:13,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016884994] [2022-02-18 15:36:13,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:13,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:14,062 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:14,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:14,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016884994] [2022-02-18 15:36:14,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016884994] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:14,063 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:14,063 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:14,063 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648820207] [2022-02-18 15:36:14,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:14,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:14,063 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:14,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:14,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:14,064 INFO L87 Difference]: Start difference. First operand 1243 states and 2291 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:14,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:14,604 INFO L93 Difference]: Finished difference Result 1411 states and 2560 transitions. [2022-02-18 15:36:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:36:14,604 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:14,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:14,606 INFO L225 Difference]: With dead ends: 1411 [2022-02-18 15:36:14,606 INFO L226 Difference]: Without dead ends: 1379 [2022-02-18 15:36:14,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:14,607 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 312 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:14,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 518 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:14,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2022-02-18 15:36:14,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1171. [2022-02-18 15:36:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 1164 states have (on average 1.838487972508591) internal successors, (2140), 1170 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 2140 transitions. [2022-02-18 15:36:14,621 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 2140 transitions. Word has length 110 [2022-02-18 15:36:14,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:14,622 INFO L470 AbstractCegarLoop]: Abstraction has 1171 states and 2140 transitions. [2022-02-18 15:36:14,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:14,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2140 transitions. [2022-02-18 15:36:14,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:14,624 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:14,624 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, 1, 1] [2022-02-18 15:36:14,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-18 15:36:14,624 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:14,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:14,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1325303053, now seen corresponding path program 1 times [2022-02-18 15:36:14,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:14,625 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660942650] [2022-02-18 15:36:14,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:14,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:14,796 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:14,796 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660942650] [2022-02-18 15:36:14,796 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660942650] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:14,796 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:14,796 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:14,796 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657657264] [2022-02-18 15:36:14,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:14,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:14,797 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:14,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:14,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:14,798 INFO L87 Difference]: Start difference. First operand 1171 states and 2140 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:15,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:15,448 INFO L93 Difference]: Finished difference Result 1481 states and 2654 transitions. [2022-02-18 15:36:15,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:36:15,449 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:15,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:15,450 INFO L225 Difference]: With dead ends: 1481 [2022-02-18 15:36:15,450 INFO L226 Difference]: Without dead ends: 1011 [2022-02-18 15:36:15,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2022-02-18 15:36:15,450 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 320 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:15,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 828 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:15,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2022-02-18 15:36:15,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 764. [2022-02-18 15:36:15,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 757 states have (on average 1.7807133421400265) internal successors, (1348), 763 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:15,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1348 transitions. [2022-02-18 15:36:15,458 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1348 transitions. Word has length 110 [2022-02-18 15:36:15,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:15,458 INFO L470 AbstractCegarLoop]: Abstraction has 764 states and 1348 transitions. [2022-02-18 15:36:15,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:15,458 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1348 transitions. [2022-02-18 15:36:15,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:15,459 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:15,459 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, 1, 1] [2022-02-18 15:36:15,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-18 15:36:15,459 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:15,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:15,460 INFO L85 PathProgramCache]: Analyzing trace with hash -661546646, now seen corresponding path program 16 times [2022-02-18 15:36:15,460 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:15,460 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808783040] [2022-02-18 15:36:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:15,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:15,668 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:15,668 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:15,668 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808783040] [2022-02-18 15:36:15,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808783040] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:15,669 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:15,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:15,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865278723] [2022-02-18 15:36:15,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:15,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:15,669 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:15,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:15,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:15,670 INFO L87 Difference]: Start difference. First operand 764 states and 1348 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:16,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:16,017 INFO L93 Difference]: Finished difference Result 876 states and 1540 transitions. [2022-02-18 15:36:16,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:36:16,017 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:16,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:16,018 INFO L225 Difference]: With dead ends: 876 [2022-02-18 15:36:16,018 INFO L226 Difference]: Without dead ends: 825 [2022-02-18 15:36:16,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:16,024 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 205 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:16,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 384 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:16,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2022-02-18 15:36:16,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 777. [2022-02-18 15:36:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 777 states, 770 states have (on average 1.761038961038961) internal successors, (1356), 776 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 1356 transitions. [2022-02-18 15:36:16,045 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 1356 transitions. Word has length 110 [2022-02-18 15:36:16,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:16,045 INFO L470 AbstractCegarLoop]: Abstraction has 777 states and 1356 transitions. [2022-02-18 15:36:16,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1356 transitions. [2022-02-18 15:36:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:16,046 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:16,046 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, 1, 1] [2022-02-18 15:36:16,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-18 15:36:16,047 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:16,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:16,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1404654586, now seen corresponding path program 2 times [2022-02-18 15:36:16,047 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:16,047 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26112591] [2022-02-18 15:36:16,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:16,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:16,273 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:16,273 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:16,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26112591] [2022-02-18 15:36:16,273 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26112591] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:16,274 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:16,274 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:16,274 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370412259] [2022-02-18 15:36:16,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:16,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:16,274 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:16,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:16,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:16,275 INFO L87 Difference]: Start difference. First operand 777 states and 1356 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:16,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:16,632 INFO L93 Difference]: Finished difference Result 877 states and 1540 transitions. [2022-02-18 15:36:16,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:16,632 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:16,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:16,633 INFO L225 Difference]: With dead ends: 877 [2022-02-18 15:36:16,633 INFO L226 Difference]: Without dead ends: 829 [2022-02-18 15:36:16,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:16,634 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 208 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:16,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 453 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:16,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2022-02-18 15:36:16,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 805. [2022-02-18 15:36:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 799 states have (on average 1.7659574468085106) internal successors, (1411), 804 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1411 transitions. [2022-02-18 15:36:16,641 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1411 transitions. Word has length 110 [2022-02-18 15:36:16,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:16,642 INFO L470 AbstractCegarLoop]: Abstraction has 805 states and 1411 transitions. [2022-02-18 15:36:16,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1411 transitions. [2022-02-18 15:36:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:16,643 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:16,643 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, 1, 1] [2022-02-18 15:36:16,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-18 15:36:16,643 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:16,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:16,643 INFO L85 PathProgramCache]: Analyzing trace with hash 451291516, now seen corresponding path program 16 times [2022-02-18 15:36:16,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:16,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585673000] [2022-02-18 15:36:16,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:16,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:16,912 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:16,912 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585673000] [2022-02-18 15:36:16,912 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585673000] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:16,912 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:16,912 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:16,912 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721921509] [2022-02-18 15:36:16,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:16,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:16,913 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:16,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:16,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:16,913 INFO L87 Difference]: Start difference. First operand 805 states and 1411 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:17,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:17,249 INFO L93 Difference]: Finished difference Result 905 states and 1597 transitions. [2022-02-18 15:36:17,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:17,250 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:17,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:17,251 INFO L225 Difference]: With dead ends: 905 [2022-02-18 15:36:17,251 INFO L226 Difference]: Without dead ends: 873 [2022-02-18 15:36:17,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:17,251 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 186 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:17,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 393 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:17,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2022-02-18 15:36:17,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 855. [2022-02-18 15:36:17,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 849 states have (on average 1.7750294464075382) internal successors, (1507), 854 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:17,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1507 transitions. [2022-02-18 15:36:17,258 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1507 transitions. Word has length 110 [2022-02-18 15:36:17,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:17,259 INFO L470 AbstractCegarLoop]: Abstraction has 855 states and 1507 transitions. [2022-02-18 15:36:17,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1507 transitions. [2022-02-18 15:36:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:17,260 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:17,260 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, 1, 1] [2022-02-18 15:36:17,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-18 15:36:17,260 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:17,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:17,260 INFO L85 PathProgramCache]: Analyzing trace with hash 60597637, now seen corresponding path program 2 times [2022-02-18 15:36:17,260 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:17,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658058482] [2022-02-18 15:36:17,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:17,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:17,439 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:17,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658058482] [2022-02-18 15:36:17,440 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658058482] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:17,440 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:17,440 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:17,440 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601675434] [2022-02-18 15:36:17,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:17,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:17,440 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:17,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:17,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:17,441 INFO L87 Difference]: Start difference. First operand 855 states and 1507 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:17,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:17,886 INFO L93 Difference]: Finished difference Result 824 states and 1446 transitions. [2022-02-18 15:36:17,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:36:17,886 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:17,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:17,887 INFO L225 Difference]: With dead ends: 824 [2022-02-18 15:36:17,887 INFO L226 Difference]: Without dead ends: 498 [2022-02-18 15:36:17,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=192, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:17,887 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 243 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:17,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 476 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:17,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2022-02-18 15:36:17,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 474. [2022-02-18 15:36:17,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 471 states have (on average 1.6178343949044587) internal successors, (762), 473 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 762 transitions. [2022-02-18 15:36:17,893 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 762 transitions. Word has length 110 [2022-02-18 15:36:17,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:17,893 INFO L470 AbstractCegarLoop]: Abstraction has 474 states and 762 transitions. [2022-02-18 15:36:17,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 762 transitions. [2022-02-18 15:36:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:17,894 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:17,894 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, 1, 1] [2022-02-18 15:36:17,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-18 15:36:17,894 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:17,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:17,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1609272518, now seen corresponding path program 17 times [2022-02-18 15:36:17,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:17,895 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457147949] [2022-02-18 15:36:17,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:17,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:18,267 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:18,267 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457147949] [2022-02-18 15:36:18,267 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457147949] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:18,267 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:18,268 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:18,268 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426436595] [2022-02-18 15:36:18,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:18,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:18,268 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:18,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:18,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:18,268 INFO L87 Difference]: Start difference. First operand 474 states and 762 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:18,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:18,821 INFO L93 Difference]: Finished difference Result 508 states and 804 transitions. [2022-02-18 15:36:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:18,822 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:18,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:18,822 INFO L225 Difference]: With dead ends: 508 [2022-02-18 15:36:18,823 INFO L226 Difference]: Without dead ends: 485 [2022-02-18 15:36:18,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:36:18,823 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 187 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:18,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 344 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:18,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2022-02-18 15:36:18,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 473. [2022-02-18 15:36:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 470 states have (on average 1.6170212765957446) internal successors, (760), 472 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:18,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 760 transitions. [2022-02-18 15:36:18,828 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 760 transitions. Word has length 110 [2022-02-18 15:36:18,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:18,828 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 760 transitions. [2022-02-18 15:36:18,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:18,828 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 760 transitions. [2022-02-18 15:36:18,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:18,829 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:18,829 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, 1, 1] [2022-02-18 15:36:18,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-18 15:36:18,829 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:18,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:18,829 INFO L85 PathProgramCache]: Analyzing trace with hash 662589142, now seen corresponding path program 18 times [2022-02-18 15:36:18,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:18,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961290977] [2022-02-18 15:36:18,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:18,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:19,166 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:19,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:19,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961290977] [2022-02-18 15:36:19,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961290977] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:19,166 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:19,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:19,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195076259] [2022-02-18 15:36:19,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:19,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:19,167 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:19,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:19,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:19,167 INFO L87 Difference]: Start difference. First operand 473 states and 760 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:19,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:19,662 INFO L93 Difference]: Finished difference Result 529 states and 845 transitions. [2022-02-18 15:36:19,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:19,662 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:19,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:19,662 INFO L225 Difference]: With dead ends: 529 [2022-02-18 15:36:19,662 INFO L226 Difference]: Without dead ends: 484 [2022-02-18 15:36:19,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:36:19,663 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 171 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:19,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 369 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:19,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2022-02-18 15:36:19,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 472. [2022-02-18 15:36:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 469 states have (on average 1.6162046908315566) internal successors, (758), 471 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 758 transitions. [2022-02-18 15:36:19,667 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 758 transitions. Word has length 110 [2022-02-18 15:36:19,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:19,667 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 758 transitions. [2022-02-18 15:36:19,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 758 transitions. [2022-02-18 15:36:19,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:19,668 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:19,668 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, 1, 1] [2022-02-18 15:36:19,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-18 15:36:19,668 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:19,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:19,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1067647484, now seen corresponding path program 19 times [2022-02-18 15:36:19,669 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:19,669 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421398974] [2022-02-18 15:36:19,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:19,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:19,952 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:19,953 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:19,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421398974] [2022-02-18 15:36:19,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421398974] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:19,953 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:19,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:19,953 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650138532] [2022-02-18 15:36:19,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:19,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:19,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:19,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:19,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:19,954 INFO L87 Difference]: Start difference. First operand 472 states and 758 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:20,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:20,359 INFO L93 Difference]: Finished difference Result 550 states and 886 transitions. [2022-02-18 15:36:20,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:20,359 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:20,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:20,360 INFO L225 Difference]: With dead ends: 550 [2022-02-18 15:36:20,360 INFO L226 Difference]: Without dead ends: 483 [2022-02-18 15:36:20,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:36:20,362 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 175 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:20,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 341 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:20,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-02-18 15:36:20,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 471. [2022-02-18 15:36:20,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 468 states have (on average 1.6153846153846154) internal successors, (756), 470 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 756 transitions. [2022-02-18 15:36:20,366 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 756 transitions. Word has length 110 [2022-02-18 15:36:20,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:20,366 INFO L470 AbstractCegarLoop]: Abstraction has 471 states and 756 transitions. [2022-02-18 15:36:20,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 756 transitions. [2022-02-18 15:36:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:20,367 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:20,367 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, 1, 1] [2022-02-18 15:36:20,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-18 15:36:20,367 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:20,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:20,368 INFO L85 PathProgramCache]: Analyzing trace with hash -562587324, now seen corresponding path program 20 times [2022-02-18 15:36:20,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:20,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348999477] [2022-02-18 15:36:20,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:20,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:20,631 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:20,631 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348999477] [2022-02-18 15:36:20,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348999477] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:20,631 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:20,631 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:20,631 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175568360] [2022-02-18 15:36:20,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:20,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:20,632 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:20,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:20,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:20,632 INFO L87 Difference]: Start difference. First operand 471 states and 756 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:20,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:20,959 INFO L93 Difference]: Finished difference Result 464 states and 740 transitions. [2022-02-18 15:36:20,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:20,960 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:20,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:20,960 INFO L225 Difference]: With dead ends: 464 [2022-02-18 15:36:20,960 INFO L226 Difference]: Without dead ends: 371 [2022-02-18 15:36:20,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:36:20,961 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 162 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:20,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 330 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:20,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-02-18 15:36:20,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 359. [2022-02-18 15:36:20,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 357 states have (on average 1.57703081232493) internal successors, (563), 358 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:20,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 563 transitions. [2022-02-18 15:36:20,964 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 563 transitions. Word has length 110 [2022-02-18 15:36:20,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:20,964 INFO L470 AbstractCegarLoop]: Abstraction has 359 states and 563 transitions. [2022-02-18 15:36:20,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:20,964 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 563 transitions. [2022-02-18 15:36:20,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:20,965 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:20,965 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, 1, 1] [2022-02-18 15:36:20,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-18 15:36:20,965 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:20,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:20,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2078749440, now seen corresponding path program 17 times [2022-02-18 15:36:20,965 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:20,965 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137837485] [2022-02-18 15:36:20,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:20,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:21,416 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:21,416 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:21,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137837485] [2022-02-18 15:36:21,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137837485] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:21,416 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:21,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:21,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038860834] [2022-02-18 15:36:21,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:21,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:21,419 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:21,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:21,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:21,420 INFO L87 Difference]: Start difference. First operand 359 states and 563 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:21,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:21,953 INFO L93 Difference]: Finished difference Result 385 states and 588 transitions. [2022-02-18 15:36:21,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:21,954 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:21,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:21,954 INFO L225 Difference]: With dead ends: 385 [2022-02-18 15:36:21,954 INFO L226 Difference]: Without dead ends: 362 [2022-02-18 15:36:21,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:36:21,954 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 178 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:21,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 298 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:21,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2022-02-18 15:36:21,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358. [2022-02-18 15:36:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 356 states have (on average 1.5758426966292134) internal successors, (561), 357 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:21,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 561 transitions. [2022-02-18 15:36:21,959 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 561 transitions. Word has length 110 [2022-02-18 15:36:21,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:21,959 INFO L470 AbstractCegarLoop]: Abstraction has 358 states and 561 transitions. [2022-02-18 15:36:21,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:21,959 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 561 transitions. [2022-02-18 15:36:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:21,960 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:21,960 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, 1, 1] [2022-02-18 15:36:21,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-18 15:36:21,960 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:21,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:21,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1688196748, now seen corresponding path program 18 times [2022-02-18 15:36:21,961 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:21,961 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616751079] [2022-02-18 15:36:21,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:21,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:22,315 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:22,316 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:22,316 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616751079] [2022-02-18 15:36:22,316 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616751079] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:22,316 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:22,316 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:22,316 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10955481] [2022-02-18 15:36:22,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:22,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:22,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:22,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:22,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:22,317 INFO L87 Difference]: Start difference. First operand 358 states and 561 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:22,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:22,738 INFO L93 Difference]: Finished difference Result 402 states and 625 transitions. [2022-02-18 15:36:22,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:22,739 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:22,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:22,739 INFO L225 Difference]: With dead ends: 402 [2022-02-18 15:36:22,740 INFO L226 Difference]: Without dead ends: 357 [2022-02-18 15:36:22,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:36:22,741 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 146 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:22,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 379 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:22,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-02-18 15:36:22,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2022-02-18 15:36:22,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 355 states have (on average 1.5746478873239436) internal successors, (559), 356 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:22,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 559 transitions. [2022-02-18 15:36:22,745 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 559 transitions. Word has length 110 [2022-02-18 15:36:22,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:22,745 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 559 transitions. [2022-02-18 15:36:22,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:22,745 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 559 transitions. [2022-02-18 15:36:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:22,745 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:22,746 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, 1, 1] [2022-02-18 15:36:22,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-18 15:36:22,746 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:22,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:22,746 INFO L85 PathProgramCache]: Analyzing trace with hash -90644836, now seen corresponding path program 19 times [2022-02-18 15:36:22,746 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:22,746 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730680478] [2022-02-18 15:36:22,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:22,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:23,074 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:23,074 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730680478] [2022-02-18 15:36:23,074 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730680478] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:23,074 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:23,075 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:23,075 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414928666] [2022-02-18 15:36:23,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:23,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:23,075 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:23,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:23,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:23,075 INFO L87 Difference]: Start difference. First operand 357 states and 559 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:23,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:23,472 INFO L93 Difference]: Finished difference Result 423 states and 666 transitions. [2022-02-18 15:36:23,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:23,473 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:23,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:23,473 INFO L225 Difference]: With dead ends: 423 [2022-02-18 15:36:23,473 INFO L226 Difference]: Without dead ends: 356 [2022-02-18 15:36:23,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:36:23,474 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 155 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:23,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 408 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:23,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-02-18 15:36:23,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2022-02-18 15:36:23,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 354 states have (on average 1.573446327683616) internal successors, (557), 355 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 557 transitions. [2022-02-18 15:36:23,477 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 557 transitions. Word has length 110 [2022-02-18 15:36:23,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:23,477 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 557 transitions. [2022-02-18 15:36:23,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:23,478 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 557 transitions. [2022-02-18 15:36:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:23,478 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:23,478 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, 1, 1] [2022-02-18 15:36:23,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-02-18 15:36:23,478 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:23,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:23,478 INFO L85 PathProgramCache]: Analyzing trace with hash -968996314, now seen corresponding path program 20 times [2022-02-18 15:36:23,479 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:23,479 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637888065] [2022-02-18 15:36:23,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:23,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:23,745 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:23,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637888065] [2022-02-18 15:36:23,745 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637888065] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:23,745 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:23,745 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:23,745 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537853168] [2022-02-18 15:36:23,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:23,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:23,745 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:23,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:23,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:23,746 INFO L87 Difference]: Start difference. First operand 356 states and 557 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:24,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:24,050 INFO L93 Difference]: Finished difference Result 345 states and 536 transitions. [2022-02-18 15:36:24,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:36:24,051 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:24,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:24,051 INFO L225 Difference]: With dead ends: 345 [2022-02-18 15:36:24,051 INFO L226 Difference]: Without dead ends: 253 [2022-02-18 15:36:24,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:36:24,052 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 139 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:24,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 363 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:24,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-02-18 15:36:24,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2022-02-18 15:36:24,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.5119047619047619) internal successors, (381), 252 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:24,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 381 transitions. [2022-02-18 15:36:24,055 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 381 transitions. Word has length 110 [2022-02-18 15:36:24,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:24,055 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 381 transitions. [2022-02-18 15:36:24,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 381 transitions. [2022-02-18 15:36:24,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:24,055 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:24,056 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, 1, 1] [2022-02-18 15:36:24,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-02-18 15:36:24,056 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:24,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:24,056 INFO L85 PathProgramCache]: Analyzing trace with hash 157500306, now seen corresponding path program 3 times [2022-02-18 15:36:24,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:24,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225440704] [2022-02-18 15:36:24,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:24,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:24,337 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:24,338 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:24,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225440704] [2022-02-18 15:36:24,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225440704] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:24,338 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:24,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:24,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461299989] [2022-02-18 15:36:24,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:24,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:24,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:24,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:24,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:24,338 INFO L87 Difference]: Start difference. First operand 253 states and 381 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:24,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:24,543 INFO L93 Difference]: Finished difference Result 279 states and 406 transitions. [2022-02-18 15:36:24,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:36:24,544 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:24,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:24,544 INFO L225 Difference]: With dead ends: 279 [2022-02-18 15:36:24,544 INFO L226 Difference]: Without dead ends: 250 [2022-02-18 15:36:24,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=152, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:36:24,545 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 95 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:24,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 280 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 15:36:24,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-02-18 15:36:24,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2022-02-18 15:36:24,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 1.5060240963855422) internal successors, (375), 249 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:24,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 375 transitions. [2022-02-18 15:36:24,547 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 375 transitions. Word has length 110 [2022-02-18 15:36:24,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:24,547 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 375 transitions. [2022-02-18 15:36:24,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:24,547 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 375 transitions. [2022-02-18 15:36:24,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:24,547 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:24,547 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, 1, 1] [2022-02-18 15:36:24,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-02-18 15:36:24,548 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:24,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:24,548 INFO L85 PathProgramCache]: Analyzing trace with hash -370520802, now seen corresponding path program 4 times [2022-02-18 15:36:24,548 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:24,548 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195393671] [2022-02-18 15:36:24,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:24,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:24,851 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:24,851 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:24,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195393671] [2022-02-18 15:36:24,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195393671] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:24,851 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:24,851 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:24,851 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252570758] [2022-02-18 15:36:24,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:24,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:24,852 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:24,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:24,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:24,852 INFO L87 Difference]: Start difference. First operand 250 states and 375 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:25,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:25,097 INFO L93 Difference]: Finished difference Result 302 states and 451 transitions. [2022-02-18 15:36:25,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:36:25,097 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:25,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:25,097 INFO L225 Difference]: With dead ends: 302 [2022-02-18 15:36:25,098 INFO L226 Difference]: Without dead ends: 247 [2022-02-18 15:36:25,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:36:25,098 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 145 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:25,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 324 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:25,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-02-18 15:36:25,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2022-02-18 15:36:25,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 246 states have (on average 1.5) internal successors, (369), 246 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:25,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 369 transitions. [2022-02-18 15:36:25,101 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 369 transitions. Word has length 110 [2022-02-18 15:36:25,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:25,102 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 369 transitions. [2022-02-18 15:36:25,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:25,102 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 369 transitions. [2022-02-18 15:36:25,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:25,102 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:25,102 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, 1, 1] [2022-02-18 15:36:25,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-02-18 15:36:25,103 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:25,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:25,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1841162828, now seen corresponding path program 5 times [2022-02-18 15:36:25,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:25,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917097721] [2022-02-18 15:36:25,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:25,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:25,364 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:25,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917097721] [2022-02-18 15:36:25,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917097721] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:25,365 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:25,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:25,365 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183146885] [2022-02-18 15:36:25,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:25,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:25,365 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:25,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:25,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:25,366 INFO L87 Difference]: Start difference. First operand 247 states and 369 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:25,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:25,631 INFO L93 Difference]: Finished difference Result 325 states and 496 transitions. [2022-02-18 15:36:25,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:36:25,631 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:25,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:25,632 INFO L225 Difference]: With dead ends: 325 [2022-02-18 15:36:25,632 INFO L226 Difference]: Without dead ends: 244 [2022-02-18 15:36:25,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:36:25,632 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 123 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:25,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 462 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:25,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-02-18 15:36:25,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-02-18 15:36:25,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 1.4938271604938271) internal successors, (363), 243 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 363 transitions. [2022-02-18 15:36:25,634 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 363 transitions. Word has length 110 [2022-02-18 15:36:25,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:25,635 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 363 transitions. [2022-02-18 15:36:25,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 363 transitions. [2022-02-18 15:36:25,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-02-18 15:36:25,636 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:25,636 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, 1, 1] [2022-02-18 15:36:25,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-18 15:36:25,636 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:25,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:25,636 INFO L85 PathProgramCache]: Analyzing trace with hash 2090455932, now seen corresponding path program 6 times [2022-02-18 15:36:25,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:25,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019429336] [2022-02-18 15:36:25,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:25,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:25,929 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:25,929 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019429336] [2022-02-18 15:36:25,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019429336] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:25,930 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:25,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:25,930 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394794863] [2022-02-18 15:36:25,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:25,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:25,930 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:25,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:25,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:25,931 INFO L87 Difference]: Start difference. First operand 244 states and 363 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:26,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:26,194 INFO L93 Difference]: Finished difference Result 229 states and 334 transitions. [2022-02-18 15:36:26,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:36:26,194 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 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 110 [2022-02-18 15:36:26,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:26,194 INFO L225 Difference]: With dead ends: 229 [2022-02-18 15:36:26,194 INFO L226 Difference]: Without dead ends: 0 [2022-02-18 15:36:26,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=152, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:36:26,195 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 96 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:26,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 382 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:36:26,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-18 15:36:26,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-18 15:36:26,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:26,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-18 15:36:26,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-02-18 15:36:26,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:26,196 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-18 15:36:26,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:36:26,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-18 15:36:26,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-18 15:36:26,197 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-18 15:36:26,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-18 15:36:26,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-18 15:36:26,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-18 15:36:26,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-18 15:36:26,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-18 15:36:26,198 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-18 15:36:26,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-02-18 15:36:26,200 INFO L732 BasicCegarLoop]: Path program histogram: [20, 20, 6, 2, 2, 2, 2, 1, 1, 1] [2022-02-18 15:36:26,203 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 15:36:26,203 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 15:36:26,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 03:36:26 BasicIcfg [2022-02-18 15:36:26,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 15:36:26,204 INFO L158 Benchmark]: Toolchain (without parser) took 52236.39ms. Allocated memory was 177.2MB in the beginning and 268.4MB in the end (delta: 91.2MB). Free memory was 123.9MB in the beginning and 164.6MB in the end (delta: -40.7MB). Peak memory consumption was 50.7MB. Max. memory is 8.0GB. [2022-02-18 15:36:26,204 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory was 142.1MB in the beginning and 142.0MB in the end (delta: 74.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 15:36:26,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.04ms. Allocated memory was 177.2MB in the beginning and 219.2MB in the end (delta: 41.9MB). Free memory was 123.7MB in the beginning and 178.5MB in the end (delta: -54.8MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. [2022-02-18 15:36:26,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.77ms. Allocated memory is still 219.2MB. Free memory was 178.5MB in the beginning and 176.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 15:36:26,205 INFO L158 Benchmark]: Boogie Preprocessor took 27.63ms. Allocated memory is still 219.2MB. Free memory was 176.0MB in the beginning and 173.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 15:36:26,205 INFO L158 Benchmark]: RCFGBuilder took 452.97ms. Allocated memory is still 219.2MB. Free memory was 173.9MB in the beginning and 159.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-18 15:36:26,205 INFO L158 Benchmark]: TraceAbstraction took 51184.28ms. Allocated memory was 219.2MB in the beginning and 268.4MB in the end (delta: 49.3MB). Free memory was 158.6MB in the beginning and 164.6MB in the end (delta: -6.1MB). Peak memory consumption was 43.6MB. Max. memory is 8.0GB. [2022-02-18 15:36:26,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 177.2MB. Free memory was 142.1MB in the beginning and 142.0MB in the end (delta: 74.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 506.04ms. Allocated memory was 177.2MB in the beginning and 219.2MB in the end (delta: 41.9MB). Free memory was 123.7MB in the beginning and 178.5MB in the end (delta: -54.8MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.77ms. Allocated memory is still 219.2MB. Free memory was 178.5MB in the beginning and 176.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.63ms. Allocated memory is still 219.2MB. Free memory was 176.0MB in the beginning and 173.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 452.97ms. Allocated memory is still 219.2MB. Free memory was 173.9MB in the beginning and 159.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 51184.28ms. Allocated memory was 219.2MB in the beginning and 268.4MB in the end (delta: 49.3MB). Free memory was 158.6MB in the beginning and 164.6MB in the end (delta: -6.1MB). Peak memory consumption was 43.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 943]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 943]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 138 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 51.0s, OverallIterations: 57, TraceHistogramMax: 10, PathProgramHistogramMax: 20, EmptinessCheckTime: 0.1s, AutomataDifference: 30.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11001 SdHoareTripleChecker+Valid, 20.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11001 mSDsluCounter, 29256 SdHoareTripleChecker+Invalid, 17.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22103 mSDsCounter, 4543 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27833 IncrementalHoareTripleChecker+Invalid, 32376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4543 mSolverCounterUnsat, 7253 mSDtfsCounter, 27833 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1558 GetRequests, 668 SyntacticMatches, 1 SemanticMatches, 889 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2959 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred in iteration=35, InterpolantAutomatonStates: 755, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 57 MinimizatonAttempts, 11775 StatesRemovedByMinimization, 46 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 15.9s InterpolantComputationTime, 6184 NumberOfCodeBlocks, 6134 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 6302 ConstructedInterpolants, 0 QuantifiedInterpolants, 55127 SizeOfPredicates, 22 NumberOfNonLiveVariables, 681 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 65 InterpolantComputations, 54 PerfectInterpolantSequences, 11880/12403 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-18 15:36:26,222 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...