/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_08-tricky_address3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 15:35:32,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 15:35:32,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 15:35:32,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 15:35:32,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 15:35:32,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 15:35:32,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 15:35:32,714 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 15:35:32,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 15:35:32,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 15:35:32,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 15:35:32,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 15:35:32,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 15:35:32,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 15:35:32,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 15:35:32,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 15:35:32,749 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 15:35:32,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 15:35:32,749 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 15:35:32,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 15:35:32,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 15:35:32,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 15:35:32,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 15:35:32,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 15:35:32,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 15:35:32,750 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 15:35:32,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 15:35:32,750 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 15:35:32,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 15:35:32,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 15:35:32,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 15:35:32,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 15:35:32,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 15:35:32,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 15:35:32,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 15:35:32,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 15:35:32,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 15:35:32,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 15:35:32,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 15:35:32,754 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 15:35:32,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 15:35:32,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-18 15:35:32,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 15:35:33,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 15:35:33,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 15:35:33,010 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 15:35:33,015 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 15:35:33,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i [2022-02-18 15:35:33,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9c923f4/92437bf774d849d28081a0b45922379b/FLAGc1ca6cf6f [2022-02-18 15:35:33,516 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 15:35:33,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i [2022-02-18 15:35:33,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9c923f4/92437bf774d849d28081a0b45922379b/FLAGc1ca6cf6f [2022-02-18 15:35:33,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9c923f4/92437bf774d849d28081a0b45922379b [2022-02-18 15:35:33,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 15:35:33,879 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 15:35:33,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 15:35:33,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 15:35:33,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 15:35:33,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:35:33" (1/1) ... [2022-02-18 15:35:33,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc7a5dd 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 15:35:33,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:35:33" (1/1) ... [2022-02-18 15:35:33,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 15:35:33,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 15:35:34,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 15:35:34,254 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 15:35:34,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 15:35:34,336 INFO L208 MainTranslator]: Completed translation [2022-02-18 15:35:34,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:35:34 WrapperNode [2022-02-18 15:35:34,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 15:35:34,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 15:35:34,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 15:35:34,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 15:35:34,344 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 15:35:34,372 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 15:35:34,402 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-02-18 15:35:34,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 15:35:34,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 15:35:34,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 15:35:34,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 15:35:34,411 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 15:35:34,411 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 15:35:34,414 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 15:35:34,414 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 15:35:34,421 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 15:35:34,437 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 15:35:34,439 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 15:35:34,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 15:35:34,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 15:35:34,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 15:35:34,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 15:35:34,447 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 15:35:34,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 15:35:34,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:34,470 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 15:35:34,478 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 15:35:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 15:35:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 15:35:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 15:35:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 15:35:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-18 15:35:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 15:35:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-18 15:35:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-18 15:35:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 15:35:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 15:35:34,506 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 15:35:34,610 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 15:35:34,611 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 15:35:34,800 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 15:35:34,806 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 15:35:34,806 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-18 15:35:34,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:35:34 BoogieIcfgContainer [2022-02-18 15:35:34,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 15:35:34,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 15:35:34,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 15:35:34,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 15:35:34,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 03:35:33" (1/3) ... [2022-02-18 15:35:34,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479c71bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:35:34, skipping insertion in model container [2022-02-18 15:35:34,813 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 15:35:34,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479c71bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:35:34, skipping insertion in model container [2022-02-18 15:35:34,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:35:34" (3/3) ... [2022-02-18 15:35:34,814 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_08-tricky_address3.i [2022-02-18 15:35:34,834 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 15:35:34,834 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 15:35:34,834 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-18 15:35:34,834 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 15:35:34,904 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,905 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,906 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,907 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,908 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,909 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,910 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,910 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,910 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,910 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,910 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,910 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,911 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,912 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,913 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,914 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,915 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,916 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,917 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,918 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,919 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 15:35:34,953 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 15:35:35,001 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 15:35:35,014 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 15:35:35,015 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-18 15:35:35,028 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 106 transitions, 217 flow [2022-02-18 15:35:35,115 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1195 states, 1187 states have (on average 1.9553496208930077) internal successors, (2321), 1194 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states 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 15:35:35,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 1195 states, 1187 states have (on average 1.9553496208930077) internal successors, (2321), 1194 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states 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 15:35:35,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-18 15:35:35,126 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:35,127 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 15:35:35,127 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 15:35:35,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:35,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1316832337, now seen corresponding path program 1 times [2022-02-18 15:35:35,139 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:35,139 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863303843] [2022-02-18 15:35:35,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:35,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:35,343 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 15:35:35,344 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:35,344 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863303843] [2022-02-18 15:35:35,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863303843] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:35,345 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:35,345 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 15:35:35,346 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025815707] [2022-02-18 15:35:35,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:35,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 15:35:35,351 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:35,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 15:35:35,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 15:35:35,390 INFO L87 Difference]: Start difference. First operand has 1195 states, 1187 states have (on average 1.9553496208930077) internal successors, (2321), 1194 states have internal predecessors, (2321), 0 states have call successors, (0), 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 15:35:35,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:35,447 INFO L93 Difference]: Finished difference Result 1195 states and 2288 transitions. [2022-02-18 15:35:35,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 15:35:35,450 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 15:35:35,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:35,475 INFO L225 Difference]: With dead ends: 1195 [2022-02-18 15:35:35,475 INFO L226 Difference]: Without dead ends: 1183 [2022-02-18 15:35:35,477 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 15:35:35,482 INFO L933 BasicCegarLoop]: 101 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, 101 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 15:35:35,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:35,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-02-18 15:35:35,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2022-02-18 15:35:35,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1173 states have (on average 1.9309462915601023) internal successors, (2265), 1182 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states 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 15:35:35,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 2265 transitions. [2022-02-18 15:35:35,577 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 2265 transitions. Word has length 37 [2022-02-18 15:35:35,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:35,578 INFO L470 AbstractCegarLoop]: Abstraction has 1183 states and 2265 transitions. [2022-02-18 15:35:35,578 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 15:35:35,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 2265 transitions. [2022-02-18 15:35:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-18 15:35:35,580 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:35,581 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 15:35:35,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 15:35:35,581 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 15:35:35,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:35,585 INFO L85 PathProgramCache]: Analyzing trace with hash 900925616, now seen corresponding path program 1 times [2022-02-18 15:35:35,585 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:35,585 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652180562] [2022-02-18 15:35:35,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:35,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:35,684 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 15:35:35,685 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:35,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652180562] [2022-02-18 15:35:35,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652180562] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:35,692 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:35,692 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-18 15:35:35,692 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116085836] [2022-02-18 15:35:35,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:35,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-18 15:35:35,693 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:35,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-18 15:35:35,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-18 15:35:35,694 INFO L87 Difference]: Start difference. First operand 1183 states and 2265 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 15:35:35,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:35,731 INFO L93 Difference]: Finished difference Result 1187 states and 2269 transitions. [2022-02-18 15:35:35,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-18 15:35:35,732 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 15:35:35,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:35,738 INFO L225 Difference]: With dead ends: 1187 [2022-02-18 15:35:35,738 INFO L226 Difference]: Without dead ends: 1187 [2022-02-18 15:35:35,739 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 15:35:35,740 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 3 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 190 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 15:35:35,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 190 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:35,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2022-02-18 15:35:35,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1184. [2022-02-18 15:35:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1174 states have (on average 1.93015332197615) internal successors, (2266), 1183 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 15:35:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2266 transitions. [2022-02-18 15:35:35,813 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2266 transitions. Word has length 37 [2022-02-18 15:35:35,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:35,813 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2266 transitions. [2022-02-18 15:35:35,814 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 15:35:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2266 transitions. [2022-02-18 15:35:35,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-18 15:35:35,820 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:35,820 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 15:35:35,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 15:35:35,820 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 15:35:35,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:35,822 INFO L85 PathProgramCache]: Analyzing trace with hash 438260885, now seen corresponding path program 1 times [2022-02-18 15:35:35,822 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:35,822 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685845222] [2022-02-18 15:35:35,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:35,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:35,942 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 15:35:35,943 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:35,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685845222] [2022-02-18 15:35:35,943 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685845222] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:35,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410728924] [2022-02-18 15:35:35,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:35,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:35,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:35,948 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 15:35:35,949 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 15:35:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:36,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 15:35:36,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:36,203 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 15:35:36,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:35:36,318 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 15:35:36,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410728924] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:35:36,319 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:35:36,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-18 15:35:36,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246660675] [2022-02-18 15:35:36,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:35:36,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:36,322 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:36,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:36,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:36,324 INFO L87 Difference]: Start difference. First operand 1184 states and 2266 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 15:35:36,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:36,408 INFO L93 Difference]: Finished difference Result 1194 states and 2276 transitions. [2022-02-18 15:35:36,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:35:36,411 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 15:35:36,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:36,416 INFO L225 Difference]: With dead ends: 1194 [2022-02-18 15:35:36,416 INFO L226 Difference]: Without dead ends: 1194 [2022-02-18 15:35:36,416 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 15:35:36,417 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 15 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:36,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 379 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:36,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2022-02-18 15:35:36,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2022-02-18 15:35:36,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1184 states have (on average 1.9222972972972974) internal successors, (2276), 1193 states have internal predecessors, (2276), 0 states have call successors, (0), 0 states 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 15:35:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 2276 transitions. [2022-02-18 15:35:36,446 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 2276 transitions. Word has length 42 [2022-02-18 15:35:36,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:36,446 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 2276 transitions. [2022-02-18 15:35:36,447 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 15:35:36,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 2276 transitions. [2022-02-18 15:35:36,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-18 15:35:36,447 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:36,448 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 15:35:36,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:36,672 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 15:35:36,672 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 15:35:36,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:36,673 INFO L85 PathProgramCache]: Analyzing trace with hash 432939381, now seen corresponding path program 2 times [2022-02-18 15:35:36,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:36,673 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870579504] [2022-02-18 15:35:36,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:36,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:36,808 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 15:35:36,809 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:36,809 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870579504] [2022-02-18 15:35:36,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870579504] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:36,809 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273309] [2022-02-18 15:35:36,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:35:36,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:36,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:36,811 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 15:35:36,812 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 15:35:36,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:35:36,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:36,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-18 15:35:36,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:36,998 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 15:35:37,031 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-02-18 15:35:37,032 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 15:35:37,082 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-02-18 15:35:37,082 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 15:35:37,151 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-02-18 15:35:37,152 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 15:35:37,187 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 15:35:37,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:37,187 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273309] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:37,187 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:37,187 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-02-18 15:35:37,188 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853863820] [2022-02-18 15:35:37,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:37,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:37,188 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:37,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:37,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:35:37,189 INFO L87 Difference]: Start difference. First operand 1194 states and 2276 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 15:35:37,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:37,427 INFO L93 Difference]: Finished difference Result 1262 states and 2404 transitions. [2022-02-18 15:35:37,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:37,427 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 15:35:37,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:37,433 INFO L225 Difference]: With dead ends: 1262 [2022-02-18 15:35:37,433 INFO L226 Difference]: Without dead ends: 1262 [2022-02-18 15:35:37,434 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 15:35:37,434 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 128 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:37,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 523 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:35:37,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-02-18 15:35:37,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1214. [2022-02-18 15:35:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 1206 states have (on average 1.9170812603648424) internal successors, (2312), 1213 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states 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 15:35:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 2312 transitions. [2022-02-18 15:35:37,463 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 2312 transitions. Word has length 52 [2022-02-18 15:35:37,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:37,465 INFO L470 AbstractCegarLoop]: Abstraction has 1214 states and 2312 transitions. [2022-02-18 15:35:37,465 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 15:35:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 2312 transitions. [2022-02-18 15:35:37,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-18 15:35:37,467 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:37,467 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 15:35:37,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-18 15:35:37,683 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 15:35:37,684 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 15:35:37,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:37,684 INFO L85 PathProgramCache]: Analyzing trace with hash 491733010, now seen corresponding path program 1 times [2022-02-18 15:35:37,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:37,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396762090] [2022-02-18 15:35:37,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:37,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:37,776 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 15:35:37,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:37,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396762090] [2022-02-18 15:35:37,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396762090] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:37,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645254498] [2022-02-18 15:35:37,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:37,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:37,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:37,778 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 15:35:37,780 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 15:35:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:37,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-18 15:35:37,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:37,987 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 15:35:37,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:35:38,187 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 15:35:38,187 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645254498] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:35:38,187 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:35:38,187 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-18 15:35:38,187 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910139002] [2022-02-18 15:35:38,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:35:38,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:35:38,189 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:38,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:35:38,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:35:38,190 INFO L87 Difference]: Start difference. First operand 1214 states and 2312 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 15:35:38,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:38,343 INFO L93 Difference]: Finished difference Result 1234 states and 2332 transitions. [2022-02-18 15:35:38,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:35:38,343 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 15:35:38,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:38,348 INFO L225 Difference]: With dead ends: 1234 [2022-02-18 15:35:38,348 INFO L226 Difference]: Without dead ends: 1234 [2022-02-18 15:35:38,349 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 15:35:38,350 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 29 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:38,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 569 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 15:35:38,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-02-18 15:35:38,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1234. [2022-02-18 15:35:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1234 states, 1226 states have (on average 1.902120717781403) internal successors, (2332), 1233 states have internal predecessors, (2332), 0 states have call successors, (0), 0 states 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 15:35:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 2332 transitions. [2022-02-18 15:35:38,378 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 2332 transitions. Word has length 60 [2022-02-18 15:35:38,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:38,378 INFO L470 AbstractCegarLoop]: Abstraction has 1234 states and 2332 transitions. [2022-02-18 15:35:38,378 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 15:35:38,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 2332 transitions. [2022-02-18 15:35:38,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-02-18 15:35:38,380 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:38,380 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 15:35:38,405 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 15:35:38,595 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 15:35:38,595 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 15:35:38,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:38,596 INFO L85 PathProgramCache]: Analyzing trace with hash 656757202, now seen corresponding path program 2 times [2022-02-18 15:35:38,596 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:38,596 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445955597] [2022-02-18 15:35:38,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:38,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:38,794 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 15:35:38,795 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:38,795 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445955597] [2022-02-18 15:35:38,795 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445955597] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:38,795 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413263701] [2022-02-18 15:35:38,795 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 15:35:38,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:38,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:38,797 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 15:35:38,798 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 15:35:38,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-18 15:35:38,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 15:35:38,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-18 15:35:38,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:38,987 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 15:35:39,015 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-02-18 15:35:39,015 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 15:35:39,058 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-02-18 15:35:39,059 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 15:35:39,117 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-02-18 15:35:39,118 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 15:35:39,145 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 15:35:39,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 15:35:39,146 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413263701] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:39,146 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 15:35:39,146 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-02-18 15:35:39,146 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869851607] [2022-02-18 15:35:39,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:39,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:39,147 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:39,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:39,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:35:39,147 INFO L87 Difference]: Start difference. First operand 1234 states and 2332 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 15:35:39,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:39,320 INFO L93 Difference]: Finished difference Result 1341 states and 2532 transitions. [2022-02-18 15:35:39,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:39,320 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 15:35:39,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:39,325 INFO L225 Difference]: With dead ends: 1341 [2022-02-18 15:35:39,325 INFO L226 Difference]: Without dead ends: 1197 [2022-02-18 15:35:39,325 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 15:35:39,326 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 133 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:39,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 404 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:35:39,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-02-18 15:35:39,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1155. [2022-02-18 15:35:39,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1148 states have (on average 1.8850174216027875) internal successors, (2164), 1154 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states 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 15:35:39,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 2164 transitions. [2022-02-18 15:35:39,350 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 2164 transitions. Word has length 80 [2022-02-18 15:35:39,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:39,350 INFO L470 AbstractCegarLoop]: Abstraction has 1155 states and 2164 transitions. [2022-02-18 15:35:39,351 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 15:35:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2164 transitions. [2022-02-18 15:35:39,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-18 15:35:39,352 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:39,352 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, 1, 1, 1] [2022-02-18 15:35:39,382 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 15:35:39,579 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 15:35:39,579 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 15:35:39,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:39,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1425828848, now seen corresponding path program 1 times [2022-02-18 15:35:39,580 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:39,580 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365399740] [2022-02-18 15:35:39,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:39,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:39,765 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 15:35:39,766 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:39,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365399740] [2022-02-18 15:35:39,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365399740] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 15:35:39,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373057033] [2022-02-18 15:35:39,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:39,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 15:35:39,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 15:35:39,768 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 15:35:39,793 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 15:35:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:39,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-18 15:35:39,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 15:35:40,023 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 15:35:40,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 15:35:40,250 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 15:35:40,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373057033] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 15:35:40,251 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 15:35:40,251 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-02-18 15:35:40,251 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829249547] [2022-02-18 15:35:40,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 15:35:40,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-18 15:35:40,252 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:40,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-18 15:35:40,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:35:40,253 INFO L87 Difference]: Start difference. First operand 1155 states and 2164 transitions. Second operand has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 0 states have call successors, (0), 0 states 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 15:35:40,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:40,518 INFO L93 Difference]: Finished difference Result 1170 states and 2179 transitions. [2022-02-18 15:35:40,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 15:35:40,518 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 0 states have call successors, (0), 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 84 [2022-02-18 15:35:40,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:40,522 INFO L225 Difference]: With dead ends: 1170 [2022-02-18 15:35:40,523 INFO L226 Difference]: Without dead ends: 1170 [2022-02-18 15:35:40,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:35:40,524 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 43 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:40,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 380 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 15:35:40,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2022-02-18 15:35:40,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1170. [2022-02-18 15:35:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1163 states have (on average 1.873602751504729) internal successors, (2179), 1169 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 15:35:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 2179 transitions. [2022-02-18 15:35:40,546 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 2179 transitions. Word has length 84 [2022-02-18 15:35:40,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:40,547 INFO L470 AbstractCegarLoop]: Abstraction has 1170 states and 2179 transitions. [2022-02-18 15:35:40,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.391304347826087) internal successors, (101), 23 states have internal predecessors, (101), 0 states have call successors, (0), 0 states 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 15:35:40,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2179 transitions. [2022-02-18 15:35:40,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-02-18 15:35:40,548 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:40,548 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] [2022-02-18 15:35:40,575 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 15:35:40,761 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 15:35:40,761 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 15:35:40,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:40,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2073879691, now seen corresponding path program 2 times [2022-02-18 15:35:40,762 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:40,762 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954922935] [2022-02-18 15:35:40,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:40,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:40,893 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 15:35:40,893 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:40,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954922935] [2022-02-18 15:35:40,893 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954922935] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:40,893 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:40,893 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:35:40,894 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015896494] [2022-02-18 15:35:40,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:40,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:40,894 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:40,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:40,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:35:40,895 INFO L87 Difference]: Start difference. First operand 1170 states and 2179 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 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 15:35:41,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:41,025 INFO L93 Difference]: Finished difference Result 1295 states and 2421 transitions. [2022-02-18 15:35:41,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:41,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 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 99 [2022-02-18 15:35:41,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:41,032 INFO L225 Difference]: With dead ends: 1295 [2022-02-18 15:35:41,032 INFO L226 Difference]: Without dead ends: 1295 [2022-02-18 15:35:41,032 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 15:35:41,033 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 92 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:41,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 343 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 15:35:41,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-02-18 15:35:41,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1219. [2022-02-18 15:35:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1212 states have (on average 1.8754125412541254) internal successors, (2273), 1218 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states 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 15:35:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 2273 transitions. [2022-02-18 15:35:41,059 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 2273 transitions. Word has length 99 [2022-02-18 15:35:41,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:41,060 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 2273 transitions. [2022-02-18 15:35:41,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 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 15:35:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 2273 transitions. [2022-02-18 15:35:41,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-02-18 15:35:41,062 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:41,062 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] [2022-02-18 15:35:41,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-18 15:35:41,062 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 15:35:41,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:41,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1373859952, now seen corresponding path program 1 times [2022-02-18 15:35:41,063 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:41,063 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173445918] [2022-02-18 15:35:41,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:41,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:41,149 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 15:35:41,150 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:41,150 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173445918] [2022-02-18 15:35:41,150 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173445918] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:41,150 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:41,150 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 15:35:41,150 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676063304] [2022-02-18 15:35:41,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:41,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 15:35:41,150 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:41,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 15:35:41,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-18 15:35:41,151 INFO L87 Difference]: Start difference. First operand 1219 states and 2273 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states 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 15:35:41,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:41,322 INFO L93 Difference]: Finished difference Result 1335 states and 2480 transitions. [2022-02-18 15:35:41,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 15:35:41,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 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 107 [2022-02-18 15:35:41,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:41,327 INFO L225 Difference]: With dead ends: 1335 [2022-02-18 15:35:41,327 INFO L226 Difference]: Without dead ends: 1005 [2022-02-18 15:35:41,327 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 15:35:41,328 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 94 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:41,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 442 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:35:41,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2022-02-18 15:35:41,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 981. [2022-02-18 15:35:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 974 states have (on average 1.8213552361396304) internal successors, (1774), 980 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states 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 15:35:41,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1774 transitions. [2022-02-18 15:35:41,346 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1774 transitions. Word has length 107 [2022-02-18 15:35:41,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:41,346 INFO L470 AbstractCegarLoop]: Abstraction has 981 states and 1774 transitions. [2022-02-18 15:35:41,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states 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 15:35:41,346 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1774 transitions. [2022-02-18 15:35:41,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:41,348 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:41,348 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, 1, 1, 1] [2022-02-18 15:35:41,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-18 15:35:41,348 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:41,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:41,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1446686969, now seen corresponding path program 1 times [2022-02-18 15:35:41,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:41,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135081672] [2022-02-18 15:35:41,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:41,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:41,786 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 15:35:41,787 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:41,787 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135081672] [2022-02-18 15:35:41,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135081672] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:41,787 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:41,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:35:41,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359109497] [2022-02-18 15:35:41,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:41,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:41,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:41,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:41,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:41,788 INFO L87 Difference]: Start difference. First operand 981 states and 1774 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:42,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:42,361 INFO L93 Difference]: Finished difference Result 1753 states and 3204 transitions. [2022-02-18 15:35:42,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:35:42,362 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:42,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:42,369 INFO L225 Difference]: With dead ends: 1753 [2022-02-18 15:35:42,369 INFO L226 Difference]: Without dead ends: 1753 [2022-02-18 15:35:42,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:35:42,369 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 246 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:42,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 527 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:42,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2022-02-18 15:35:42,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1086. [2022-02-18 15:35:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1079 states have (on average 1.8387395736793326) internal successors, (1984), 1085 states have internal predecessors, (1984), 0 states have call successors, (0), 0 states 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 15:35:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1984 transitions. [2022-02-18 15:35:42,393 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1984 transitions. Word has length 113 [2022-02-18 15:35:42,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:42,393 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1984 transitions. [2022-02-18 15:35:42,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:42,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1984 transitions. [2022-02-18 15:35:42,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:42,395 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:42,395 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, 1, 1, 1] [2022-02-18 15:35:42,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-18 15:35:42,396 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:42,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:42,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1733561321, now seen corresponding path program 1 times [2022-02-18 15:35:42,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:42,396 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126562926] [2022-02-18 15:35:42,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:42,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:42,820 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 15:35:42,820 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:42,820 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126562926] [2022-02-18 15:35:42,821 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126562926] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:42,821 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:42,821 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:35:42,821 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463600039] [2022-02-18 15:35:42,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:42,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:42,821 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:42,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:42,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:42,822 INFO L87 Difference]: Start difference. First operand 1086 states and 1984 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:43,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:43,390 INFO L93 Difference]: Finished difference Result 1743 states and 3187 transitions. [2022-02-18 15:35:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:35:43,390 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:43,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:43,396 INFO L225 Difference]: With dead ends: 1743 [2022-02-18 15:35:43,397 INFO L226 Difference]: Without dead ends: 1743 [2022-02-18 15:35:43,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:35:43,397 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 230 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:43,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 465 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2022-02-18 15:35:43,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1245. [2022-02-18 15:35:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 1238 states have (on average 1.8554119547657513) internal successors, (2297), 1244 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 15:35:43,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 2297 transitions. [2022-02-18 15:35:43,423 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 2297 transitions. Word has length 113 [2022-02-18 15:35:43,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:43,423 INFO L470 AbstractCegarLoop]: Abstraction has 1245 states and 2297 transitions. [2022-02-18 15:35:43,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:43,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 2297 transitions. [2022-02-18 15:35:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:43,425 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:43,426 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, 1, 1, 1] [2022-02-18 15:35:43,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-18 15:35:43,426 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:43,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:43,426 INFO L85 PathProgramCache]: Analyzing trace with hash 376746620, now seen corresponding path program 1 times [2022-02-18 15:35:43,426 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:43,426 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903929957] [2022-02-18 15:35:43,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:43,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:44,413 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 15:35:44,413 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:44,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903929957] [2022-02-18 15:35:44,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903929957] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:44,413 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:44,413 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:35:44,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355207998] [2022-02-18 15:35:44,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:44,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:35:44,414 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:44,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:35:44,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:35:44,414 INFO L87 Difference]: Start difference. First operand 1245 states and 2297 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:45,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:45,253 INFO L93 Difference]: Finished difference Result 1781 states and 3259 transitions. [2022-02-18 15:35:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:35:45,254 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:45,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:45,260 INFO L225 Difference]: With dead ends: 1781 [2022-02-18 15:35:45,260 INFO L226 Difference]: Without dead ends: 1781 [2022-02-18 15:35:45,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=147, Invalid=273, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:35:45,263 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 262 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:45,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 787 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:35:45,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2022-02-18 15:35:45,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1252. [2022-02-18 15:35:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8562248995983937) internal successors, (2311), 1251 states have internal predecessors, (2311), 0 states have call successors, (0), 0 states 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 15:35:45,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2311 transitions. [2022-02-18 15:35:45,289 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2311 transitions. Word has length 113 [2022-02-18 15:35:45,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:45,289 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2311 transitions. [2022-02-18 15:35:45,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:45,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2311 transitions. [2022-02-18 15:35:45,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:45,291 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:45,291 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, 1, 1, 1] [2022-02-18 15:35:45,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-18 15:35:45,292 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:45,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:45,292 INFO L85 PathProgramCache]: Analyzing trace with hash -758070434, now seen corresponding path program 2 times [2022-02-18 15:35:45,292 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:45,292 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425928101] [2022-02-18 15:35:45,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:45,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:35:46,163 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:46,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425928101] [2022-02-18 15:35:46,163 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425928101] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:46,163 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:46,163 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:35:46,164 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154227218] [2022-02-18 15:35:46,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:46,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:35:46,164 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:46,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:35:46,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:35:46,165 INFO L87 Difference]: Start difference. First operand 1252 states and 2311 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:46,810 INFO L93 Difference]: Finished difference Result 1769 states and 3235 transitions. [2022-02-18 15:35:46,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:35:46,811 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:46,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:46,817 INFO L225 Difference]: With dead ends: 1769 [2022-02-18 15:35:46,817 INFO L226 Difference]: Without dead ends: 1769 [2022-02-18 15:35:46,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:35:46,818 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 235 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:46,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 673 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:46,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2022-02-18 15:35:46,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1261. [2022-02-18 15:35:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1254 states have (on average 1.8572567783094098) internal successors, (2329), 1260 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states 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 15:35:46,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 2329 transitions. [2022-02-18 15:35:46,843 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 2329 transitions. Word has length 113 [2022-02-18 15:35:46,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:46,843 INFO L470 AbstractCegarLoop]: Abstraction has 1261 states and 2329 transitions. [2022-02-18 15:35:46,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:46,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 2329 transitions. [2022-02-18 15:35:46,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:46,845 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:46,846 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, 1, 1, 1] [2022-02-18 15:35:46,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-18 15:35:46,846 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:46,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:46,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1324244250, now seen corresponding path program 3 times [2022-02-18 15:35:46,847 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:46,847 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408899171] [2022-02-18 15:35:46,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:46,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:47,911 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 15:35:47,912 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:47,912 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408899171] [2022-02-18 15:35:47,912 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408899171] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:47,912 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:47,912 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:35:47,912 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959787676] [2022-02-18 15:35:47,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:47,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:35:47,913 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:47,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:35:47,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:35:47,914 INFO L87 Difference]: Start difference. First operand 1261 states and 2329 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:48,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:48,597 INFO L93 Difference]: Finished difference Result 1850 states and 3397 transitions. [2022-02-18 15:35:48,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:35:48,598 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:48,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:48,606 INFO L225 Difference]: With dead ends: 1850 [2022-02-18 15:35:48,606 INFO L226 Difference]: Without dead ends: 1850 [2022-02-18 15:35:48,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=160, Invalid=302, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:35:48,607 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 285 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:48,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 537 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:48,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2022-02-18 15:35:48,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1276. [2022-02-18 15:35:48,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1269 states have (on average 1.858944050433412) internal successors, (2359), 1275 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states 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 15:35:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 2359 transitions. [2022-02-18 15:35:48,634 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 2359 transitions. Word has length 113 [2022-02-18 15:35:48,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:48,634 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 2359 transitions. [2022-02-18 15:35:48,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:48,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 2359 transitions. [2022-02-18 15:35:48,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:48,636 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:48,637 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, 1, 1, 1] [2022-02-18 15:35:48,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-18 15:35:48,637 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:48,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:48,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1216231488, now seen corresponding path program 4 times [2022-02-18 15:35:48,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:48,638 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936670871] [2022-02-18 15:35:48,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:48,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:49,470 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 15:35:49,471 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:49,471 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936670871] [2022-02-18 15:35:49,471 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936670871] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:49,471 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:49,471 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:35:49,471 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259006142] [2022-02-18 15:35:49,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:49,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:35:49,472 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:49,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:35:49,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:35:49,472 INFO L87 Difference]: Start difference. First operand 1276 states and 2359 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:50,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:50,096 INFO L93 Difference]: Finished difference Result 1917 states and 3531 transitions. [2022-02-18 15:35:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:35:50,096 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:50,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:50,102 INFO L225 Difference]: With dead ends: 1917 [2022-02-18 15:35:50,102 INFO L226 Difference]: Without dead ends: 1917 [2022-02-18 15:35:50,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:35:50,103 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 281 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:50,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 482 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:50,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2022-02-18 15:35:50,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1311. [2022-02-18 15:35:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1304 states have (on average 1.8627300613496933) internal successors, (2429), 1310 states have internal predecessors, (2429), 0 states have call successors, (0), 0 states 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 15:35:50,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 2429 transitions. [2022-02-18 15:35:50,130 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 2429 transitions. Word has length 113 [2022-02-18 15:35:50,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:50,130 INFO L470 AbstractCegarLoop]: Abstraction has 1311 states and 2429 transitions. [2022-02-18 15:35:50,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:50,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 2429 transitions. [2022-02-18 15:35:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:50,132 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:50,132 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, 1, 1, 1] [2022-02-18 15:35:50,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-18 15:35:50,133 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:50,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:50,133 INFO L85 PathProgramCache]: Analyzing trace with hash -835243848, now seen corresponding path program 5 times [2022-02-18 15:35:50,133 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:50,133 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368530417] [2022-02-18 15:35:50,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:50,470 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 15:35:50,470 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:50,470 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368530417] [2022-02-18 15:35:50,470 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368530417] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:50,470 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:50,470 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:35:50,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98947731] [2022-02-18 15:35:50,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:50,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:50,471 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:50,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:50,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:50,472 INFO L87 Difference]: Start difference. First operand 1311 states and 2429 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:51,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:51,043 INFO L93 Difference]: Finished difference Result 1816 states and 3329 transitions. [2022-02-18 15:35:51,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:35:51,044 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:51,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:51,050 INFO L225 Difference]: With dead ends: 1816 [2022-02-18 15:35:51,050 INFO L226 Difference]: Without dead ends: 1816 [2022-02-18 15:35:51,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:35:51,051 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 190 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:51,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 638 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:51,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2022-02-18 15:35:51,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1300. [2022-02-18 15:35:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 1293 states have (on average 1.8615622583139984) internal successors, (2407), 1299 states have internal predecessors, (2407), 0 states have call successors, (0), 0 states 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 15:35:51,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 2407 transitions. [2022-02-18 15:35:51,106 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 2407 transitions. Word has length 113 [2022-02-18 15:35:51,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:51,106 INFO L470 AbstractCegarLoop]: Abstraction has 1300 states and 2407 transitions. [2022-02-18 15:35:51,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 2407 transitions. [2022-02-18 15:35:51,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:51,109 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:51,109 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, 1, 1, 1] [2022-02-18 15:35:51,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-18 15:35:51,109 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 15:35:51,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:51,110 INFO L85 PathProgramCache]: Analyzing trace with hash 874882793, now seen corresponding path program 1 times [2022-02-18 15:35:51,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:51,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250322756] [2022-02-18 15:35:51,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:51,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:51,265 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 15:35:51,265 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:51,265 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250322756] [2022-02-18 15:35:51,265 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250322756] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:51,265 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:51,266 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:35:51,266 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447887803] [2022-02-18 15:35:51,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:51,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:51,266 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:51,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:51,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:51,267 INFO L87 Difference]: Start difference. First operand 1300 states and 2407 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:51,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:51,998 INFO L93 Difference]: Finished difference Result 1795 states and 3290 transitions. [2022-02-18 15:35:51,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:35:51,999 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:51,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:52,003 INFO L225 Difference]: With dead ends: 1795 [2022-02-18 15:35:52,004 INFO L226 Difference]: Without dead ends: 1795 [2022-02-18 15:35:52,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2022-02-18 15:35:52,006 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 311 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:52,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [311 Valid, 851 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:52,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2022-02-18 15:35:52,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1311. [2022-02-18 15:35:52,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1304 states have (on average 1.8627300613496933) internal successors, (2429), 1310 states have internal predecessors, (2429), 0 states have call successors, (0), 0 states 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 15:35:52,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 2429 transitions. [2022-02-18 15:35:52,034 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 2429 transitions. Word has length 113 [2022-02-18 15:35:52,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:52,034 INFO L470 AbstractCegarLoop]: Abstraction has 1311 states and 2429 transitions. [2022-02-18 15:35:52,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 2429 transitions. [2022-02-18 15:35:52,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:52,038 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:52,038 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, 1, 1, 1] [2022-02-18 15:35:52,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-18 15:35:52,038 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 15:35:52,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:52,039 INFO L85 PathProgramCache]: Analyzing trace with hash 790273253, now seen corresponding path program 2 times [2022-02-18 15:35:52,039 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:52,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31539027] [2022-02-18 15:35:52,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:52,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:52,407 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 15:35:52,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:52,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31539027] [2022-02-18 15:35:52,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31539027] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:52,407 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:52,407 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:35:52,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671524348] [2022-02-18 15:35:52,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:52,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:35:52,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:52,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:35:52,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:35:52,408 INFO L87 Difference]: Start difference. First operand 1311 states and 2429 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:52,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:52,880 INFO L93 Difference]: Finished difference Result 1818 states and 3329 transitions. [2022-02-18 15:35:52,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:35:52,881 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:52,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:52,884 INFO L225 Difference]: With dead ends: 1818 [2022-02-18 15:35:52,884 INFO L226 Difference]: Without dead ends: 1818 [2022-02-18 15:35:52,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:35:52,885 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 254 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:52,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 455 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:52,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-02-18 15:35:52,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1355. [2022-02-18 15:35:52,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 1348 states have (on average 1.86053412462908) internal successors, (2508), 1354 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states 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 15:35:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 2508 transitions. [2022-02-18 15:35:52,911 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 2508 transitions. Word has length 113 [2022-02-18 15:35:52,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:52,912 INFO L470 AbstractCegarLoop]: Abstraction has 1355 states and 2508 transitions. [2022-02-18 15:35:52,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2508 transitions. [2022-02-18 15:35:52,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:52,914 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:52,914 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, 1, 1, 1] [2022-02-18 15:35:52,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-18 15:35:52,915 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:52,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:52,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1356984961, now seen corresponding path program 2 times [2022-02-18 15:35:52,915 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:52,915 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2312494] [2022-02-18 15:35:52,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:52,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:53,878 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 15:35:53,878 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:53,878 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2312494] [2022-02-18 15:35:53,878 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2312494] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:53,879 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:53,879 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:35:53,879 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289791150] [2022-02-18 15:35:53,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:53,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:35:53,879 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:53,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:35:53,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:35:53,880 INFO L87 Difference]: Start difference. First operand 1355 states and 2508 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:54,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:54,672 INFO L93 Difference]: Finished difference Result 2165 states and 4016 transitions. [2022-02-18 15:35:54,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:35:54,672 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:54,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:54,676 INFO L225 Difference]: With dead ends: 2165 [2022-02-18 15:35:54,676 INFO L226 Difference]: Without dead ends: 2165 [2022-02-18 15:35:54,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:35:54,677 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 308 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:54,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [308 Valid, 670 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:54,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2022-02-18 15:35:54,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 1406. [2022-02-18 15:35:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8656182987848464) internal successors, (2610), 1405 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states 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 15:35:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-02-18 15:35:54,700 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-02-18 15:35:54,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:54,700 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-02-18 15:35:54,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:54,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-02-18 15:35:54,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:54,703 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:54,703 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, 1, 1, 1] [2022-02-18 15:35:54,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-18 15:35:54,703 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:54,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:54,703 INFO L85 PathProgramCache]: Analyzing trace with hash -620012861, now seen corresponding path program 3 times [2022-02-18 15:35:54,703 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:54,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953166255] [2022-02-18 15:35:54,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:54,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:55,506 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 15:35:55,507 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:55,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953166255] [2022-02-18 15:35:55,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953166255] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:55,507 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:55,507 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:35:55,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598688559] [2022-02-18 15:35:55,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:55,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:35:55,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:55,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:35:55,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:35:55,508 INFO L87 Difference]: Start difference. First operand 1406 states and 2610 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:56,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:56,441 INFO L93 Difference]: Finished difference Result 2195 states and 4068 transitions. [2022-02-18 15:35:56,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:35:56,442 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:56,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:56,446 INFO L225 Difference]: With dead ends: 2195 [2022-02-18 15:35:56,446 INFO L226 Difference]: Without dead ends: 2195 [2022-02-18 15:35:56,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:35:56,447 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 263 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:56,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 1034 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:35:56,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2022-02-18 15:35:56,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 1406. [2022-02-18 15:35:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8656182987848464) internal successors, (2610), 1405 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states 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 15:35:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-02-18 15:35:56,472 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-02-18 15:35:56,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:56,472 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-02-18 15:35:56,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:56,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-02-18 15:35:56,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:56,474 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:56,474 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, 1, 1, 1] [2022-02-18 15:35:56,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-18 15:35:56,475 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:56,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:56,475 INFO L85 PathProgramCache]: Analyzing trace with hash 836114431, now seen corresponding path program 4 times [2022-02-18 15:35:56,475 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:56,475 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006436222] [2022-02-18 15:35:56,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:56,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:56,503 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 15:35:57,328 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:57,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006436222] [2022-02-18 15:35:57,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006436222] 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 [11] imperfect sequences [] total 11 [2022-02-18 15:35:57,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72848822] [2022-02-18 15:35:57,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:57,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:35:57,329 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:57,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:35:57,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:35:57,329 INFO L87 Difference]: Start difference. First operand 1406 states and 2610 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:58,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:58,060 INFO L93 Difference]: Finished difference Result 2215 states and 4108 transitions. [2022-02-18 15:35:58,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:35:58,061 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:58,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:58,064 INFO L225 Difference]: With dead ends: 2215 [2022-02-18 15:35:58,064 INFO L226 Difference]: Without dead ends: 2215 [2022-02-18 15:35:58,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:35:58,065 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 275 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:58,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 553 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:35:58,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2022-02-18 15:35:58,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 1406. [2022-02-18 15:35:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8656182987848464) internal successors, (2610), 1405 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states 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 15:35:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-02-18 15:35:58,088 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-02-18 15:35:58,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:58,088 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-02-18 15:35:58,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:58,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-02-18 15:35:58,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:58,090 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:58,090 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, 1, 1, 1] [2022-02-18 15:35:58,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-18 15:35:58,091 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:58,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:58,091 INFO L85 PathProgramCache]: Analyzing trace with hash -567711677, now seen corresponding path program 5 times [2022-02-18 15:35:58,091 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:58,091 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113674947] [2022-02-18 15:35:58,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:58,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:35:58,902 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 15:35:58,902 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:35:58,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113674947] [2022-02-18 15:35:58,903 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113674947] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:35:58,903 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:35:58,903 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:35:58,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117421906] [2022-02-18 15:35:58,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:35:58,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:35:58,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:35:58,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:35:58,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:35:58,904 INFO L87 Difference]: Start difference. First operand 1406 states and 2610 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:59,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:35:59,561 INFO L93 Difference]: Finished difference Result 2133 states and 3963 transitions. [2022-02-18 15:35:59,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:35:59,562 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:35:59,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:35:59,566 INFO L225 Difference]: With dead ends: 2133 [2022-02-18 15:35:59,566 INFO L226 Difference]: Without dead ends: 2133 [2022-02-18 15:35:59,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:35:59,567 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 259 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:35:59,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 480 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:35:59,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2022-02-18 15:35:59,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1406. [2022-02-18 15:35:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8656182987848464) internal successors, (2610), 1405 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states 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 15:35:59,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-02-18 15:35:59,594 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-02-18 15:35:59,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:35:59,595 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-02-18 15:35:59,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:35:59,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-02-18 15:35:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:35:59,597 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:35:59,597 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, 1, 1, 1] [2022-02-18 15:35:59,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-18 15:35:59,598 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:35:59,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:35:59,598 INFO L85 PathProgramCache]: Analyzing trace with hash 551482577, now seen corresponding path program 6 times [2022-02-18 15:35:59,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:35:59,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407648501] [2022-02-18 15:35:59,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:35:59,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:35:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:00,694 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 15:36:00,695 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:00,695 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407648501] [2022-02-18 15:36:00,695 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407648501] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:00,695 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:00,695 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:00,695 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439422833] [2022-02-18 15:36:00,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:00,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:00,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:00,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:00,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:00,696 INFO L87 Difference]: Start difference. First operand 1406 states and 2610 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:01,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:01,612 INFO L93 Difference]: Finished difference Result 2160 states and 4008 transitions. [2022-02-18 15:36:01,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:36:01,613 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:01,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:01,617 INFO L225 Difference]: With dead ends: 2160 [2022-02-18 15:36:01,617 INFO L226 Difference]: Without dead ends: 2160 [2022-02-18 15:36:01,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=156, Invalid=306, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:36:01,618 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 295 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:01,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 676 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:01,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2022-02-18 15:36:01,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 1429. [2022-02-18 15:36:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1422 states have (on average 1.8677918424753868) internal successors, (2656), 1428 states have internal predecessors, (2656), 0 states have call successors, (0), 0 states 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 15:36:01,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2656 transitions. [2022-02-18 15:36:01,641 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2656 transitions. Word has length 113 [2022-02-18 15:36:01,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:01,641 INFO L470 AbstractCegarLoop]: Abstraction has 1429 states and 2656 transitions. [2022-02-18 15:36:01,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2656 transitions. [2022-02-18 15:36:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:01,643 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:01,643 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, 1, 1, 1] [2022-02-18 15:36:01,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-18 15:36:01,644 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:01,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:01,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1288454677, now seen corresponding path program 7 times [2022-02-18 15:36:01,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:01,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192893739] [2022-02-18 15:36:01,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:01,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:03,015 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 15:36:03,015 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:03,015 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192893739] [2022-02-18 15:36:03,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192893739] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:03,015 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:03,015 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:03,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287270130] [2022-02-18 15:36:03,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:03,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:03,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:03,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:03,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:03,017 INFO L87 Difference]: Start difference. First operand 1429 states and 2656 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:03,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:03,825 INFO L93 Difference]: Finished difference Result 2178 states and 4044 transitions. [2022-02-18 15:36:03,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:36:03,826 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:03,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:03,830 INFO L225 Difference]: With dead ends: 2178 [2022-02-18 15:36:03,830 INFO L226 Difference]: Without dead ends: 2178 [2022-02-18 15:36:03,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=156, Invalid=306, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:36:03,831 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 280 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:03,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 732 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:03,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2022-02-18 15:36:03,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 1417. [2022-02-18 15:36:03,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1410 states have (on average 1.8666666666666667) internal successors, (2632), 1416 states have internal predecessors, (2632), 0 states have call successors, (0), 0 states 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 15:36:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2632 transitions. [2022-02-18 15:36:03,854 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2632 transitions. Word has length 113 [2022-02-18 15:36:03,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:03,854 INFO L470 AbstractCegarLoop]: Abstraction has 1417 states and 2632 transitions. [2022-02-18 15:36:03,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2632 transitions. [2022-02-18 15:36:03,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:03,856 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:03,856 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, 1, 1, 1] [2022-02-18 15:36:03,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-18 15:36:03,857 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:03,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:03,857 INFO L85 PathProgramCache]: Analyzing trace with hash -121845815, now seen corresponding path program 8 times [2022-02-18 15:36:03,857 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:03,857 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507629540] [2022-02-18 15:36:03,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:03,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:04,782 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 15:36:04,782 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:04,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507629540] [2022-02-18 15:36:04,782 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507629540] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:04,782 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:04,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:04,783 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837467378] [2022-02-18 15:36:04,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:04,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:04,783 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:04,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:04,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:04,784 INFO L87 Difference]: Start difference. First operand 1417 states and 2632 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:05,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:05,577 INFO L93 Difference]: Finished difference Result 2121 states and 3940 transitions. [2022-02-18 15:36:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:36:05,577 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:05,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:05,580 INFO L225 Difference]: With dead ends: 2121 [2022-02-18 15:36:05,580 INFO L226 Difference]: Without dead ends: 2121 [2022-02-18 15:36:05,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:36:05,581 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 272 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:05,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 652 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:05,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2022-02-18 15:36:05,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 1407. [2022-02-18 15:36:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 1400 states have (on average 1.8657142857142857) internal successors, (2612), 1406 states have internal predecessors, (2612), 0 states have call successors, (0), 0 states 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 15:36:05,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2612 transitions. [2022-02-18 15:36:05,602 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2612 transitions. Word has length 113 [2022-02-18 15:36:05,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:05,603 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 2612 transitions. [2022-02-18 15:36:05,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:05,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2612 transitions. [2022-02-18 15:36:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:05,605 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:05,605 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, 1, 1, 1] [2022-02-18 15:36:05,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-18 15:36:05,605 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 15:36:05,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:05,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1447474959, now seen corresponding path program 9 times [2022-02-18 15:36:05,606 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:05,606 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216710606] [2022-02-18 15:36:05,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:05,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:06,714 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 15:36:06,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:06,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216710606] [2022-02-18 15:36:06,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216710606] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:06,714 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:06,714 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:06,714 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897941798] [2022-02-18 15:36:06,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:06,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:06,715 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:06,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:06,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:06,715 INFO L87 Difference]: Start difference. First operand 1407 states and 2612 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:07,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:07,699 INFO L93 Difference]: Finished difference Result 2091 states and 3872 transitions. [2022-02-18 15:36:07,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:36:07,699 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:07,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:07,702 INFO L225 Difference]: With dead ends: 2091 [2022-02-18 15:36:07,702 INFO L226 Difference]: Without dead ends: 2091 [2022-02-18 15:36:07,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:36:07,703 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 280 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:07,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 946 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:36:07,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2022-02-18 15:36:07,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1418. [2022-02-18 15:36:07,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1411 states have (on average 1.866761162296244) internal successors, (2634), 1417 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states 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 15:36:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2634 transitions. [2022-02-18 15:36:07,742 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2634 transitions. Word has length 113 [2022-02-18 15:36:07,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:07,743 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 2634 transitions. [2022-02-18 15:36:07,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:07,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2634 transitions. [2022-02-18 15:36:07,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:07,745 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:07,746 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, 1, 1, 1] [2022-02-18 15:36:07,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-18 15:36:07,746 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 15:36:07,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:07,747 INFO L85 PathProgramCache]: Analyzing trace with hash -2110520237, now seen corresponding path program 10 times [2022-02-18 15:36:07,747 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:07,747 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180320008] [2022-02-18 15:36:07,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:07,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:09,049 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 15:36:09,049 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:09,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180320008] [2022-02-18 15:36:09,050 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180320008] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:09,050 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:09,050 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:09,050 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565493282] [2022-02-18 15:36:09,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:09,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:09,050 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:09,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:09,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:09,051 INFO L87 Difference]: Start difference. First operand 1418 states and 2634 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:09,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:09,920 INFO L93 Difference]: Finished difference Result 2064 states and 3827 transitions. [2022-02-18 15:36:09,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:36:09,921 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:09,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:09,923 INFO L225 Difference]: With dead ends: 2064 [2022-02-18 15:36:09,923 INFO L226 Difference]: Without dead ends: 2064 [2022-02-18 15:36:09,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:36:09,924 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 259 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:09,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 903 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:09,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2022-02-18 15:36:09,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 1408. [2022-02-18 15:36:09,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1401 states have (on average 1.8658101356174162) internal successors, (2614), 1407 states have internal predecessors, (2614), 0 states have call successors, (0), 0 states 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 15:36:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 2614 transitions. [2022-02-18 15:36:09,946 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 2614 transitions. Word has length 113 [2022-02-18 15:36:09,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:09,946 INFO L470 AbstractCegarLoop]: Abstraction has 1408 states and 2614 transitions. [2022-02-18 15:36:09,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 2614 transitions. [2022-02-18 15:36:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:09,948 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:09,948 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, 1, 1, 1] [2022-02-18 15:36:09,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-18 15:36:09,948 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 15:36:09,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:09,949 INFO L85 PathProgramCache]: Analyzing trace with hash 2052449145, now seen corresponding path program 11 times [2022-02-18 15:36:09,949 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:09,949 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834185655] [2022-02-18 15:36:09,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:09,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:10,962 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 15:36:10,962 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:10,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834185655] [2022-02-18 15:36:10,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834185655] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:10,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:10,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:10,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975950400] [2022-02-18 15:36:10,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:10,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:10,963 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:10,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:10,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:10,963 INFO L87 Difference]: Start difference. First operand 1408 states and 2614 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:11,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:11,759 INFO L93 Difference]: Finished difference Result 1975 states and 3658 transitions. [2022-02-18 15:36:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:36:11,760 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:11,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:11,762 INFO L225 Difference]: With dead ends: 1975 [2022-02-18 15:36:11,762 INFO L226 Difference]: Without dead ends: 1975 [2022-02-18 15:36:11,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:36:11,763 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 278 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:11,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 667 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:11,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2022-02-18 15:36:11,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1426. [2022-02-18 15:36:11,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1419 states have (on average 1.8675123326286116) internal successors, (2650), 1425 states have internal predecessors, (2650), 0 states have call successors, (0), 0 states 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 15:36:11,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2650 transitions. [2022-02-18 15:36:11,782 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2650 transitions. Word has length 113 [2022-02-18 15:36:11,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:11,783 INFO L470 AbstractCegarLoop]: Abstraction has 1426 states and 2650 transitions. [2022-02-18 15:36:11,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:11,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2650 transitions. [2022-02-18 15:36:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:11,785 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:11,785 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, 1, 1, 1] [2022-02-18 15:36:11,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-18 15:36:11,785 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:11,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:11,785 INFO L85 PathProgramCache]: Analyzing trace with hash -2023297281, now seen corresponding path program 3 times [2022-02-18 15:36:11,786 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:11,786 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582465892] [2022-02-18 15:36:11,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:11,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:12,416 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 15:36:12,417 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:12,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582465892] [2022-02-18 15:36:12,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582465892] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:12,417 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:12,417 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:12,417 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944532312] [2022-02-18 15:36:12,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:12,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:12,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:12,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:12,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:12,418 INFO L87 Difference]: Start difference. First operand 1426 states and 2650 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:13,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:13,571 INFO L93 Difference]: Finished difference Result 2446 states and 4549 transitions. [2022-02-18 15:36:13,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:36:13,572 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:13,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:13,575 INFO L225 Difference]: With dead ends: 2446 [2022-02-18 15:36:13,575 INFO L226 Difference]: Without dead ends: 2446 [2022-02-18 15:36:13,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=351, Invalid=1289, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:36:13,576 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 746 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:13,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [746 Valid, 811 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:13,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2022-02-18 15:36:13,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 1429. [2022-02-18 15:36:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1422 states have (on average 1.8677918424753868) internal successors, (2656), 1428 states have internal predecessors, (2656), 0 states have call successors, (0), 0 states 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 15:36:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2656 transitions. [2022-02-18 15:36:13,595 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2656 transitions. Word has length 113 [2022-02-18 15:36:13,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:13,596 INFO L470 AbstractCegarLoop]: Abstraction has 1429 states and 2656 transitions. [2022-02-18 15:36:13,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:13,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2656 transitions. [2022-02-18 15:36:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:13,598 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:13,598 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, 1, 1, 1] [2022-02-18 15:36:13,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-18 15:36:13,598 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:13,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:13,599 INFO L85 PathProgramCache]: Analyzing trace with hash -178145435, now seen corresponding path program 4 times [2022-02-18 15:36:13,599 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:13,599 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441347299] [2022-02-18 15:36:13,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:13,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:14,284 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:14,285 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:14,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441347299] [2022-02-18 15:36:14,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441347299] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:14,285 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:14,285 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:14,285 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058336294] [2022-02-18 15:36:14,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:14,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:14,285 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:14,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:14,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:14,287 INFO L87 Difference]: Start difference. First operand 1429 states and 2656 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:15,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:15,640 INFO L93 Difference]: Finished difference Result 2410 states and 4477 transitions. [2022-02-18 15:36:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:36:15,641 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:15,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:15,644 INFO L225 Difference]: With dead ends: 2410 [2022-02-18 15:36:15,644 INFO L226 Difference]: Without dead ends: 2410 [2022-02-18 15:36:15,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=356, Invalid=1284, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:36:15,645 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 758 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:15,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [758 Valid, 1062 Invalid, 1350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:36:15,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2022-02-18 15:36:15,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 1430. [2022-02-18 15:36:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1423 states have (on average 1.8678847505270555) internal successors, (2658), 1429 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states 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 15:36:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2658 transitions. [2022-02-18 15:36:15,667 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2658 transitions. Word has length 113 [2022-02-18 15:36:15,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:15,667 INFO L470 AbstractCegarLoop]: Abstraction has 1430 states and 2658 transitions. [2022-02-18 15:36:15,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2658 transitions. [2022-02-18 15:36:15,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:15,669 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:15,670 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, 1, 1, 1] [2022-02-18 15:36:15,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-18 15:36:15,670 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:15,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:15,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1665577627, now seen corresponding path program 5 times [2022-02-18 15:36:15,670 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:15,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387595691] [2022-02-18 15:36:15,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:15,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:16,417 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 15:36:16,418 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:16,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387595691] [2022-02-18 15:36:16,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387595691] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:16,418 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:16,418 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:16,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035820885] [2022-02-18 15:36:16,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:16,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:16,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:16,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:16,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:16,419 INFO L87 Difference]: Start difference. First operand 1430 states and 2658 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:17,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:17,890 INFO L93 Difference]: Finished difference Result 2381 states and 4411 transitions. [2022-02-18 15:36:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:36:17,890 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:17,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:17,893 INFO L225 Difference]: With dead ends: 2381 [2022-02-18 15:36:17,893 INFO L226 Difference]: Without dead ends: 2381 [2022-02-18 15:36:17,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=366, Invalid=1274, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:36:17,894 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 809 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:17,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [809 Valid, 1017 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-18 15:36:17,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2022-02-18 15:36:17,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1432. [2022-02-18 15:36:17,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1425 states have (on average 1.8673684210526316) internal successors, (2661), 1431 states have internal predecessors, (2661), 0 states have call successors, (0), 0 states 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 15:36:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2661 transitions. [2022-02-18 15:36:17,914 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2661 transitions. Word has length 113 [2022-02-18 15:36:17,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:17,914 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2661 transitions. [2022-02-18 15:36:17,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2661 transitions. [2022-02-18 15:36:17,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:17,916 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:17,916 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, 1, 1, 1] [2022-02-18 15:36:17,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-18 15:36:17,917 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:17,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:17,917 INFO L85 PathProgramCache]: Analyzing trace with hash 465106407, now seen corresponding path program 6 times [2022-02-18 15:36:17,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:17,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879928510] [2022-02-18 15:36:17,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:17,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:18,806 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 15:36:18,807 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:18,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879928510] [2022-02-18 15:36:18,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879928510] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:18,807 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:18,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:18,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006401144] [2022-02-18 15:36:18,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:18,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:18,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:18,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:18,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:18,808 INFO L87 Difference]: Start difference. First operand 1432 states and 2661 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:20,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:20,005 INFO L93 Difference]: Finished difference Result 2374 states and 4405 transitions. [2022-02-18 15:36:20,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:36:20,005 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:20,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:20,008 INFO L225 Difference]: With dead ends: 2374 [2022-02-18 15:36:20,008 INFO L226 Difference]: Without dead ends: 2374 [2022-02-18 15:36:20,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:36:20,009 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 796 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:20,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 747 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:20,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2022-02-18 15:36:20,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 1432. [2022-02-18 15:36:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1425 states have (on average 1.8673684210526316) internal successors, (2661), 1431 states have internal predecessors, (2661), 0 states have call successors, (0), 0 states 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 15:36:20,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2661 transitions. [2022-02-18 15:36:20,032 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2661 transitions. Word has length 113 [2022-02-18 15:36:20,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:20,033 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2661 transitions. [2022-02-18 15:36:20,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2661 transitions. [2022-02-18 15:36:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:20,035 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:20,035 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, 1, 1, 1] [2022-02-18 15:36:20,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-18 15:36:20,035 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 15:36:20,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:20,036 INFO L85 PathProgramCache]: Analyzing trace with hash 2040785995, now seen corresponding path program 12 times [2022-02-18 15:36:20,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:20,036 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026505317] [2022-02-18 15:36:20,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:20,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:20,771 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 15:36:20,771 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:20,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026505317] [2022-02-18 15:36:20,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026505317] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:20,772 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:20,772 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:20,772 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673588609] [2022-02-18 15:36:20,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:20,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:20,773 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:20,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:20,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:20,773 INFO L87 Difference]: Start difference. First operand 1432 states and 2661 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:21,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:21,634 INFO L93 Difference]: Finished difference Result 1812 states and 3369 transitions. [2022-02-18 15:36:21,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:36:21,635 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:21,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:21,637 INFO L225 Difference]: With dead ends: 1812 [2022-02-18 15:36:21,637 INFO L226 Difference]: Without dead ends: 1812 [2022-02-18 15:36:21,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2022-02-18 15:36:21,637 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 255 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:21,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 780 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:21,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-02-18 15:36:21,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1454. [2022-02-18 15:36:21,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 1447 states have (on average 1.8693849343469247) internal successors, (2705), 1453 states have internal predecessors, (2705), 0 states have call successors, (0), 0 states 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 15:36:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2705 transitions. [2022-02-18 15:36:21,657 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2705 transitions. Word has length 113 [2022-02-18 15:36:21,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:21,658 INFO L470 AbstractCegarLoop]: Abstraction has 1454 states and 2705 transitions. [2022-02-18 15:36:21,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:21,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2705 transitions. [2022-02-18 15:36:21,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:21,660 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:21,660 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, 1, 1, 1] [2022-02-18 15:36:21,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-18 15:36:21,660 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 15:36:21,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:21,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1517209201, now seen corresponding path program 13 times [2022-02-18 15:36:21,661 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:21,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792275167] [2022-02-18 15:36:21,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:21,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:22,469 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 15:36:22,469 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:22,469 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792275167] [2022-02-18 15:36:22,470 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792275167] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:22,470 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:22,470 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:22,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138171665] [2022-02-18 15:36:22,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:22,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:22,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:22,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:22,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:22,471 INFO L87 Difference]: Start difference. First operand 1454 states and 2705 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:23,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:23,266 INFO L93 Difference]: Finished difference Result 1833 states and 3403 transitions. [2022-02-18 15:36:23,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:36:23,267 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:23,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:23,269 INFO L225 Difference]: With dead ends: 1833 [2022-02-18 15:36:23,269 INFO L226 Difference]: Without dead ends: 1833 [2022-02-18 15:36:23,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:36:23,269 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 212 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:23,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 888 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:23,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2022-02-18 15:36:23,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1418. [2022-02-18 15:36:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1411 states have (on average 1.8660524450744154) internal successors, (2633), 1417 states have internal predecessors, (2633), 0 states have call successors, (0), 0 states 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 15:36:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2633 transitions. [2022-02-18 15:36:23,287 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2633 transitions. Word has length 113 [2022-02-18 15:36:23,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:23,288 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 2633 transitions. [2022-02-18 15:36:23,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2633 transitions. [2022-02-18 15:36:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:23,289 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:23,290 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, 1, 1, 1] [2022-02-18 15:36:23,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-18 15:36:23,290 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 15:36:23,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:23,290 INFO L85 PathProgramCache]: Analyzing trace with hash -345713763, now seen corresponding path program 14 times [2022-02-18 15:36:23,290 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:23,290 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697429466] [2022-02-18 15:36:23,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:23,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:24,250 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 15:36:24,251 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:24,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697429466] [2022-02-18 15:36:24,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697429466] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:24,251 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:24,251 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:24,251 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766913391] [2022-02-18 15:36:24,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:24,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:24,251 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:24,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:24,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:24,252 INFO L87 Difference]: Start difference. First operand 1418 states and 2633 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:25,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:25,451 INFO L93 Difference]: Finished difference Result 2141 states and 4005 transitions. [2022-02-18 15:36:25,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 15:36:25,451 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:25,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:25,453 INFO L225 Difference]: With dead ends: 2141 [2022-02-18 15:36:25,453 INFO L226 Difference]: Without dead ends: 2141 [2022-02-18 15:36:25,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=222, Invalid=480, Unknown=0, NotChecked=0, Total=702 [2022-02-18 15:36:25,454 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 250 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:25,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 951 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:36:25,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2022-02-18 15:36:25,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 1441. [2022-02-18 15:36:25,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8682008368200838) internal successors, (2679), 1440 states have internal predecessors, (2679), 0 states have call successors, (0), 0 states 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 15:36:25,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2679 transitions. [2022-02-18 15:36:25,471 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2679 transitions. Word has length 113 [2022-02-18 15:36:25,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:25,472 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2679 transitions. [2022-02-18 15:36:25,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2679 transitions. [2022-02-18 15:36:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:25,473 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:25,474 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, 1, 1, 1] [2022-02-18 15:36:25,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-02-18 15:36:25,474 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 15:36:25,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:25,474 INFO L85 PathProgramCache]: Analyzing trace with hash 391258337, now seen corresponding path program 15 times [2022-02-18 15:36:25,475 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:25,475 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852258268] [2022-02-18 15:36:25,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:25,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:26,562 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 15:36:26,562 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:26,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852258268] [2022-02-18 15:36:26,563 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852258268] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:26,563 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:26,563 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:26,563 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170576314] [2022-02-18 15:36:26,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:26,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:26,564 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:26,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:26,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:26,564 INFO L87 Difference]: Start difference. First operand 1441 states and 2679 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:27,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:27,596 INFO L93 Difference]: Finished difference Result 2164 states and 4051 transitions. [2022-02-18 15:36:27,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:36:27,597 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:27,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:27,599 INFO L225 Difference]: With dead ends: 2164 [2022-02-18 15:36:27,599 INFO L226 Difference]: Without dead ends: 2164 [2022-02-18 15:36:27,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2022-02-18 15:36:27,600 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 224 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:27,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 896 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:27,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2022-02-18 15:36:27,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 1429. [2022-02-18 15:36:27,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1422 states have (on average 1.8670886075949367) internal successors, (2655), 1428 states have internal predecessors, (2655), 0 states have call successors, (0), 0 states 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 15:36:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2655 transitions. [2022-02-18 15:36:27,616 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2655 transitions. Word has length 113 [2022-02-18 15:36:27,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:27,616 INFO L470 AbstractCegarLoop]: Abstraction has 1429 states and 2655 transitions. [2022-02-18 15:36:27,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2655 transitions. [2022-02-18 15:36:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:27,618 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:27,618 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, 1, 1, 1] [2022-02-18 15:36:27,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-18 15:36:27,618 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 15:36:27,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:27,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1019042155, now seen corresponding path program 16 times [2022-02-18 15:36:27,619 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:27,619 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683307686] [2022-02-18 15:36:27,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:27,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:36:28,405 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:28,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683307686] [2022-02-18 15:36:28,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683307686] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:28,406 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:28,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:36:28,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933143433] [2022-02-18 15:36:28,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:28,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:36:28,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:28,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:36:28,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:36:28,407 INFO L87 Difference]: Start difference. First operand 1429 states and 2655 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:29,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:29,165 INFO L93 Difference]: Finished difference Result 2084 states and 3901 transitions. [2022-02-18 15:36:29,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:36:29,166 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:29,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:29,169 INFO L225 Difference]: With dead ends: 2084 [2022-02-18 15:36:29,169 INFO L226 Difference]: Without dead ends: 2084 [2022-02-18 15:36:29,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:36:29,170 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 214 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:29,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 700 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:29,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2022-02-18 15:36:29,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1461. [2022-02-18 15:36:29,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1454 states have (on average 1.8700137551581844) internal successors, (2719), 1460 states have internal predecessors, (2719), 0 states have call successors, (0), 0 states 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 15:36:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2719 transitions. [2022-02-18 15:36:29,191 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2719 transitions. Word has length 113 [2022-02-18 15:36:29,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:29,191 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2719 transitions. [2022-02-18 15:36:29,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:29,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2719 transitions. [2022-02-18 15:36:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:29,193 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:29,193 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, 1, 1, 1] [2022-02-18 15:36:29,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-02-18 15:36:29,193 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 15:36:29,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:29,194 INFO L85 PathProgramCache]: Analyzing trace with hash 550278619, now seen corresponding path program 17 times [2022-02-18 15:36:29,194 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:29,194 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634506499] [2022-02-18 15:36:29,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:29,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:30,208 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 15:36:30,208 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:30,208 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634506499] [2022-02-18 15:36:30,208 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634506499] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:30,208 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:30,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:30,209 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335295727] [2022-02-18 15:36:30,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:30,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:30,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:30,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:30,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:30,210 INFO L87 Difference]: Start difference. First operand 1461 states and 2719 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:31,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:31,312 INFO L93 Difference]: Finished difference Result 2133 states and 3991 transitions. [2022-02-18 15:36:31,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 15:36:31,313 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:31,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:31,315 INFO L225 Difference]: With dead ends: 2133 [2022-02-18 15:36:31,315 INFO L226 Difference]: Without dead ends: 2133 [2022-02-18 15:36:31,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=225, Invalid=477, Unknown=0, NotChecked=0, Total=702 [2022-02-18 15:36:31,316 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 271 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:31,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 781 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:31,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2022-02-18 15:36:31,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1472. [2022-02-18 15:36:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1472 states, 1465 states have (on average 1.8709897610921502) internal successors, (2741), 1471 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states 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 15:36:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 2741 transitions. [2022-02-18 15:36:31,331 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 2741 transitions. Word has length 113 [2022-02-18 15:36:31,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:31,331 INFO L470 AbstractCegarLoop]: Abstraction has 1472 states and 2741 transitions. [2022-02-18 15:36:31,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 2741 transitions. [2022-02-18 15:36:31,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:31,333 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:31,333 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:36:31,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-02-18 15:36:31,334 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 15:36:31,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:31,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1287250719, now seen corresponding path program 18 times [2022-02-18 15:36:31,334 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:31,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970405397] [2022-02-18 15:36:31,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:31,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:32,480 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 15:36:32,480 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:32,480 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970405397] [2022-02-18 15:36:32,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970405397] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:32,480 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:32,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:32,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545604547] [2022-02-18 15:36:32,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:32,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:32,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:32,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:32,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:32,482 INFO L87 Difference]: Start difference. First operand 1472 states and 2741 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:33,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:33,737 INFO L93 Difference]: Finished difference Result 2106 states and 3946 transitions. [2022-02-18 15:36:33,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:36:33,737 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:33,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:33,739 INFO L225 Difference]: With dead ends: 2106 [2022-02-18 15:36:33,739 INFO L226 Difference]: Without dead ends: 2106 [2022-02-18 15:36:33,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2022-02-18 15:36:33,740 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 202 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:33,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 1150 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-18 15:36:33,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2022-02-18 15:36:33,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 1462. [2022-02-18 15:36:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1455 states have (on average 1.8701030927835052) internal successors, (2721), 1461 states have internal predecessors, (2721), 0 states have call successors, (0), 0 states 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 15:36:33,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2721 transitions. [2022-02-18 15:36:33,758 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2721 transitions. Word has length 113 [2022-02-18 15:36:33,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:33,759 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2721 transitions. [2022-02-18 15:36:33,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:33,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2721 transitions. [2022-02-18 15:36:33,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:33,761 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:33,761 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, 1, 1, 1] [2022-02-18 15:36:33,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-18 15:36:33,762 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 15:36:33,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:33,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1155252805, now seen corresponding path program 19 times [2022-02-18 15:36:33,762 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:33,762 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821787738] [2022-02-18 15:36:33,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:33,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:34,741 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 15:36:34,741 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:34,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821787738] [2022-02-18 15:36:34,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821787738] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:34,741 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:34,741 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:34,742 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798460933] [2022-02-18 15:36:34,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:34,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:34,742 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:34,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:34,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:34,743 INFO L87 Difference]: Start difference. First operand 1462 states and 2721 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:35,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:35,791 INFO L93 Difference]: Finished difference Result 2017 states and 3777 transitions. [2022-02-18 15:36:35,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:36:35,791 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:35,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:35,794 INFO L225 Difference]: With dead ends: 2017 [2022-02-18 15:36:35,794 INFO L226 Difference]: Without dead ends: 2017 [2022-02-18 15:36:35,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2022-02-18 15:36:35,794 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 217 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:35,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 833 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:35,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2017 states. [2022-02-18 15:36:35,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2017 to 1461. [2022-02-18 15:36:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1454 states have (on average 1.8700137551581844) internal successors, (2719), 1460 states have internal predecessors, (2719), 0 states have call successors, (0), 0 states 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 15:36:35,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2719 transitions. [2022-02-18 15:36:35,812 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2719 transitions. Word has length 113 [2022-02-18 15:36:35,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:35,812 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2719 transitions. [2022-02-18 15:36:35,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:35,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2719 transitions. [2022-02-18 15:36:35,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:35,814 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:35,814 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, 1, 1, 1] [2022-02-18 15:36:35,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-18 15:36:35,814 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:35,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:35,814 INFO L85 PathProgramCache]: Analyzing trace with hash 279544873, now seen corresponding path program 20 times [2022-02-18 15:36:35,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:35,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924319234] [2022-02-18 15:36:35,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:35,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:36,714 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 15:36:36,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:36,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924319234] [2022-02-18 15:36:36,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924319234] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:36,714 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:36,714 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:36,714 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602480648] [2022-02-18 15:36:36,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:36,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:36,715 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:36,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:36,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:36,715 INFO L87 Difference]: Start difference. First operand 1461 states and 2719 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:37,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:37,668 INFO L93 Difference]: Finished difference Result 1810 states and 3367 transitions. [2022-02-18 15:36:37,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:36:37,668 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:37,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:37,670 INFO L225 Difference]: With dead ends: 1810 [2022-02-18 15:36:37,670 INFO L226 Difference]: Without dead ends: 1810 [2022-02-18 15:36:37,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2022-02-18 15:36:37,671 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 256 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:37,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 813 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:37,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2022-02-18 15:36:37,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1469. [2022-02-18 15:36:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1462 states have (on average 1.8707250341997264) internal successors, (2735), 1468 states have internal predecessors, (2735), 0 states have call successors, (0), 0 states 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 15:36:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2735 transitions. [2022-02-18 15:36:37,686 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2735 transitions. Word has length 113 [2022-02-18 15:36:37,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:37,686 INFO L470 AbstractCegarLoop]: Abstraction has 1469 states and 2735 transitions. [2022-02-18 15:36:37,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2735 transitions. [2022-02-18 15:36:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:37,688 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:37,688 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, 1, 1, 1] [2022-02-18 15:36:37,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-02-18 15:36:37,689 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:37,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:37,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1016516973, now seen corresponding path program 21 times [2022-02-18 15:36:37,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:37,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254432049] [2022-02-18 15:36:37,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:37,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:38,816 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 15:36:38,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:38,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254432049] [2022-02-18 15:36:38,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254432049] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:38,817 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:38,817 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:38,817 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987553888] [2022-02-18 15:36:38,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:38,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:38,818 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:38,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:38,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:38,818 INFO L87 Difference]: Start difference. First operand 1469 states and 2735 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:39,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:39,632 INFO L93 Difference]: Finished difference Result 1809 states and 3365 transitions. [2022-02-18 15:36:39,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:36:39,632 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:39,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:39,634 INFO L225 Difference]: With dead ends: 1809 [2022-02-18 15:36:39,634 INFO L226 Difference]: Without dead ends: 1809 [2022-02-18 15:36:39,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:36:39,635 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 227 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:39,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 803 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:39,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2022-02-18 15:36:39,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1443. [2022-02-18 15:36:39,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 1436 states have (on average 1.8683844011142061) internal successors, (2683), 1442 states have internal predecessors, (2683), 0 states have call successors, (0), 0 states 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 15:36:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 2683 transitions. [2022-02-18 15:36:39,652 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 2683 transitions. Word has length 113 [2022-02-18 15:36:39,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:39,652 INFO L470 AbstractCegarLoop]: Abstraction has 1443 states and 2683 transitions. [2022-02-18 15:36:39,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:39,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 2683 transitions. [2022-02-18 15:36:39,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:39,654 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:39,654 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, 1, 1, 1] [2022-02-18 15:36:39,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-02-18 15:36:39,654 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:39,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:39,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1175537255, now seen corresponding path program 22 times [2022-02-18 15:36:39,655 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:39,655 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007196979] [2022-02-18 15:36:39,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:39,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:40,538 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 15:36:40,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:40,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007196979] [2022-02-18 15:36:40,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007196979] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:40,539 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:40,539 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:40,539 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750507676] [2022-02-18 15:36:40,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:40,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:40,539 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:40,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:40,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:40,540 INFO L87 Difference]: Start difference. First operand 1443 states and 2683 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:41,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:41,617 INFO L93 Difference]: Finished difference Result 2052 states and 3829 transitions. [2022-02-18 15:36:41,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 15:36:41,617 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:41,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:41,619 INFO L225 Difference]: With dead ends: 2052 [2022-02-18 15:36:41,619 INFO L226 Difference]: Without dead ends: 2052 [2022-02-18 15:36:41,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2022-02-18 15:36:41,620 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 236 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:41,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 886 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:41,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2022-02-18 15:36:41,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1454. [2022-02-18 15:36:41,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 1447 states have (on average 1.8693849343469247) internal successors, (2705), 1453 states have internal predecessors, (2705), 0 states have call successors, (0), 0 states 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 15:36:41,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2705 transitions. [2022-02-18 15:36:41,636 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2705 transitions. Word has length 113 [2022-02-18 15:36:41,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:41,636 INFO L470 AbstractCegarLoop]: Abstraction has 1454 states and 2705 transitions. [2022-02-18 15:36:41,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2705 transitions. [2022-02-18 15:36:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:41,638 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:41,638 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, 1, 1, 1] [2022-02-18 15:36:41,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-02-18 15:36:41,639 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 15:36:41,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:41,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1912509355, now seen corresponding path program 23 times [2022-02-18 15:36:41,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:41,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94852078] [2022-02-18 15:36:41,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:41,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:42,799 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 15:36:42,800 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:42,800 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94852078] [2022-02-18 15:36:42,800 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94852078] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:42,800 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:42,800 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:42,800 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942224288] [2022-02-18 15:36:42,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:42,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:42,800 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:42,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:42,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:42,801 INFO L87 Difference]: Start difference. First operand 1454 states and 2705 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:43,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:43,868 INFO L93 Difference]: Finished difference Result 2031 states and 3796 transitions. [2022-02-18 15:36:43,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-18 15:36:43,868 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:43,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:43,871 INFO L225 Difference]: With dead ends: 2031 [2022-02-18 15:36:43,871 INFO L226 Difference]: Without dead ends: 2031 [2022-02-18 15:36:43,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2022-02-18 15:36:43,871 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 228 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:43,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 977 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:43,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2022-02-18 15:36:43,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1444. [2022-02-18 15:36:43,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1437 states have (on average 1.8684759916492693) internal successors, (2685), 1443 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states 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 15:36:43,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 2685 transitions. [2022-02-18 15:36:43,884 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 2685 transitions. Word has length 113 [2022-02-18 15:36:43,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:43,885 INFO L470 AbstractCegarLoop]: Abstraction has 1444 states and 2685 transitions. [2022-02-18 15:36:43,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:43,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2685 transitions. [2022-02-18 15:36:43,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:43,886 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:43,886 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, 1, 1, 1] [2022-02-18 15:36:43,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-02-18 15:36:43,886 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:43,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:43,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1780511441, now seen corresponding path program 24 times [2022-02-18 15:36:43,887 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:43,887 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784779332] [2022-02-18 15:36:43,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:43,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:44,750 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 15:36:44,750 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:44,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784779332] [2022-02-18 15:36:44,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784779332] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:44,750 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:44,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:44,750 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425962948] [2022-02-18 15:36:44,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:44,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:44,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:44,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:44,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:44,751 INFO L87 Difference]: Start difference. First operand 1444 states and 2685 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:45,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:45,677 INFO L93 Difference]: Finished difference Result 1924 states and 3591 transitions. [2022-02-18 15:36:45,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:36:45,677 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:45,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:45,679 INFO L225 Difference]: With dead ends: 1924 [2022-02-18 15:36:45,679 INFO L226 Difference]: Without dead ends: 1924 [2022-02-18 15:36:45,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-02-18 15:36:45,680 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 242 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:45,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 735 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:45,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2022-02-18 15:36:45,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1442. [2022-02-18 15:36:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1435 states have (on average 1.8682926829268294) internal successors, (2681), 1441 states have internal predecessors, (2681), 0 states have call successors, (0), 0 states 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 15:36:45,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2681 transitions. [2022-02-18 15:36:45,702 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2681 transitions. Word has length 113 [2022-02-18 15:36:45,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:45,702 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2681 transitions. [2022-02-18 15:36:45,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:45,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2681 transitions. [2022-02-18 15:36:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:45,704 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:45,704 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, 1, 1, 1] [2022-02-18 15:36:45,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-18 15:36:45,704 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:45,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:45,704 INFO L85 PathProgramCache]: Analyzing trace with hash -960869493, now seen corresponding path program 25 times [2022-02-18 15:36:45,705 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:45,705 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074635285] [2022-02-18 15:36:45,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:45,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:46,462 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 15:36:46,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:46,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074635285] [2022-02-18 15:36:46,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074635285] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:46,463 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:46,463 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:36:46,463 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396380426] [2022-02-18 15:36:46,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:46,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:36:46,463 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:46,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:36:46,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:36:46,464 INFO L87 Difference]: Start difference. First operand 1442 states and 2681 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:47,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:47,178 INFO L93 Difference]: Finished difference Result 1696 states and 3150 transitions. [2022-02-18 15:36:47,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:36:47,179 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:47,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:47,180 INFO L225 Difference]: With dead ends: 1696 [2022-02-18 15:36:47,180 INFO L226 Difference]: Without dead ends: 1696 [2022-02-18 15:36:47,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:36:47,181 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 245 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:47,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 830 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:36:47,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2022-02-18 15:36:47,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1413. [2022-02-18 15:36:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1413 states, 1406 states have (on average 1.864864864864865) internal successors, (2622), 1412 states have internal predecessors, (2622), 0 states have call successors, (0), 0 states 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 15:36:47,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 2622 transitions. [2022-02-18 15:36:47,193 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 2622 transitions. Word has length 113 [2022-02-18 15:36:47,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:47,193 INFO L470 AbstractCegarLoop]: Abstraction has 1413 states and 2622 transitions. [2022-02-18 15:36:47,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 2622 transitions. [2022-02-18 15:36:47,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:47,195 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:47,195 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, 1, 1, 1] [2022-02-18 15:36:47,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-02-18 15:36:47,195 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 15:36:47,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:47,195 INFO L85 PathProgramCache]: Analyzing trace with hash -622605481, now seen corresponding path program 7 times [2022-02-18 15:36:47,195 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:47,195 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639613012] [2022-02-18 15:36:47,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:47,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:47,691 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 15:36:47,691 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:47,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639613012] [2022-02-18 15:36:47,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639613012] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:47,691 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:47,691 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:47,691 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555887893] [2022-02-18 15:36:47,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:47,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:47,692 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:47,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:47,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:47,692 INFO L87 Difference]: Start difference. First operand 1413 states and 2622 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:48,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:48,981 INFO L93 Difference]: Finished difference Result 2123 states and 3907 transitions. [2022-02-18 15:36:48,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 15:36:48,981 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:48,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:48,983 INFO L225 Difference]: With dead ends: 2123 [2022-02-18 15:36:48,983 INFO L226 Difference]: Without dead ends: 2123 [2022-02-18 15:36:48,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=404, Invalid=1402, Unknown=0, NotChecked=0, Total=1806 [2022-02-18 15:36:48,984 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 881 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:48,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [881 Valid, 1209 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:36:48,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-02-18 15:36:48,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1414. [2022-02-18 15:36:48,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1407 states have (on average 1.8649609097370292) internal successors, (2624), 1413 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states 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 15:36:48,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 2624 transitions. [2022-02-18 15:36:48,997 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 2624 transitions. Word has length 113 [2022-02-18 15:36:48,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:48,997 INFO L470 AbstractCegarLoop]: Abstraction has 1414 states and 2624 transitions. [2022-02-18 15:36:48,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:48,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 2624 transitions. [2022-02-18 15:36:48,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:48,998 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:48,998 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, 1, 1, 1] [2022-02-18 15:36:48,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-02-18 15:36:48,998 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 15:36:48,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:48,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1222546365, now seen corresponding path program 8 times [2022-02-18 15:36:48,999 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:48,999 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675753292] [2022-02-18 15:36:48,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:48,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:49,577 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 15:36:49,577 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:49,577 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675753292] [2022-02-18 15:36:49,578 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675753292] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:49,578 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:49,578 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:49,578 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642337231] [2022-02-18 15:36:49,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:49,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:49,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:49,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:49,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:49,579 INFO L87 Difference]: Start difference. First operand 1414 states and 2624 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:50,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:50,917 INFO L93 Difference]: Finished difference Result 1991 states and 3671 transitions. [2022-02-18 15:36:50,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 15:36:50,917 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:50,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:50,919 INFO L225 Difference]: With dead ends: 1991 [2022-02-18 15:36:50,919 INFO L226 Difference]: Without dead ends: 1991 [2022-02-18 15:36:50,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=357, Invalid=1365, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:36:50,920 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 634 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:50,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [634 Valid, 1650 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:36:50,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2022-02-18 15:36:50,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1415. [2022-02-18 15:36:50,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1415 states, 1408 states have (on average 1.8650568181818181) internal successors, (2626), 1414 states have internal predecessors, (2626), 0 states have call successors, (0), 0 states 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 15:36:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 2626 transitions. [2022-02-18 15:36:50,935 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 2626 transitions. Word has length 113 [2022-02-18 15:36:50,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:50,935 INFO L470 AbstractCegarLoop]: Abstraction has 1415 states and 2626 transitions. [2022-02-18 15:36:50,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 2626 transitions. [2022-02-18 15:36:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:50,936 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:50,937 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, 1, 1, 1] [2022-02-18 15:36:50,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-02-18 15:36:50,937 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 15:36:50,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:50,937 INFO L85 PathProgramCache]: Analyzing trace with hash -264885827, now seen corresponding path program 9 times [2022-02-18 15:36:50,937 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:50,937 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770620124] [2022-02-18 15:36:50,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:50,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:51,465 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 15:36:51,465 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:51,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770620124] [2022-02-18 15:36:51,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770620124] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:51,466 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:51,466 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:36:51,466 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636635873] [2022-02-18 15:36:51,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:51,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:36:51,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:51,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:36:51,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:36:51,467 INFO L87 Difference]: Start difference. First operand 1415 states and 2626 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:52,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:52,019 INFO L93 Difference]: Finished difference Result 1802 states and 3310 transitions. [2022-02-18 15:36:52,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:36:52,020 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:52,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:52,022 INFO L225 Difference]: With dead ends: 1802 [2022-02-18 15:36:52,022 INFO L226 Difference]: Without dead ends: 1802 [2022-02-18 15:36:52,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:36:52,023 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 191 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:52,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 492 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:36:52,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2022-02-18 15:36:52,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1416. [2022-02-18 15:36:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 1409 states have (on average 1.865152590489709) internal successors, (2628), 1415 states have internal predecessors, (2628), 0 states have call successors, (0), 0 states 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 15:36:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 2628 transitions. [2022-02-18 15:36:52,039 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 2628 transitions. Word has length 113 [2022-02-18 15:36:52,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:52,039 INFO L470 AbstractCegarLoop]: Abstraction has 1416 states and 2628 transitions. [2022-02-18 15:36:52,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:52,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2628 transitions. [2022-02-18 15:36:52,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:52,041 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:52,041 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, 1, 1, 1] [2022-02-18 15:36:52,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-02-18 15:36:52,041 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:52,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:52,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1865798207, now seen corresponding path program 10 times [2022-02-18 15:36:52,041 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:52,041 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742654183] [2022-02-18 15:36:52,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:52,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:52,692 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 15:36:52,692 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:52,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742654183] [2022-02-18 15:36:52,693 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742654183] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:52,693 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:52,693 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:52,693 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254891806] [2022-02-18 15:36:52,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:52,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:52,693 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:52,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:52,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:52,694 INFO L87 Difference]: Start difference. First operand 1416 states and 2628 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:53,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:53,940 INFO L93 Difference]: Finished difference Result 1973 states and 3635 transitions. [2022-02-18 15:36:53,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 15:36:53,940 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:53,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:53,942 INFO L225 Difference]: With dead ends: 1973 [2022-02-18 15:36:53,942 INFO L226 Difference]: Without dead ends: 1973 [2022-02-18 15:36:53,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=360, Invalid=1362, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:36:53,943 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 683 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:53,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [683 Valid, 1438 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:36:53,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2022-02-18 15:36:53,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1411. [2022-02-18 15:36:53,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 1404 states have (on average 1.8646723646723646) internal successors, (2618), 1410 states have internal predecessors, (2618), 0 states have call successors, (0), 0 states 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 15:36:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2618 transitions. [2022-02-18 15:36:53,957 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2618 transitions. Word has length 113 [2022-02-18 15:36:53,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:53,957 INFO L470 AbstractCegarLoop]: Abstraction has 1411 states and 2618 transitions. [2022-02-18 15:36:53,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2618 transitions. [2022-02-18 15:36:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:53,959 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:53,959 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, 1, 1, 1] [2022-02-18 15:36:53,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-02-18 15:36:53,959 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:53,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:53,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1213434585, now seen corresponding path program 11 times [2022-02-18 15:36:53,959 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:53,959 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269754339] [2022-02-18 15:36:53,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:53,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:54,425 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 15:36:54,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:54,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269754339] [2022-02-18 15:36:54,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269754339] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:54,425 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:54,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:54,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908933118] [2022-02-18 15:36:54,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:54,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:54,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:54,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:54,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:54,427 INFO L87 Difference]: Start difference. First operand 1411 states and 2618 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:55,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:55,404 INFO L93 Difference]: Finished difference Result 1667 states and 3081 transitions. [2022-02-18 15:36:55,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:36:55,404 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:55,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:55,406 INFO L225 Difference]: With dead ends: 1667 [2022-02-18 15:36:55,406 INFO L226 Difference]: Without dead ends: 1667 [2022-02-18 15:36:55,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=292, Invalid=1040, Unknown=0, NotChecked=0, Total=1332 [2022-02-18 15:36:55,406 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 712 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:55,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [712 Valid, 1082 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:55,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2022-02-18 15:36:55,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1405. [2022-02-18 15:36:55,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1398 states have (on average 1.8640915593705294) internal successors, (2606), 1404 states have internal predecessors, (2606), 0 states have call successors, (0), 0 states 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 15:36:55,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2606 transitions. [2022-02-18 15:36:55,418 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2606 transitions. Word has length 113 [2022-02-18 15:36:55,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:55,418 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2606 transitions. [2022-02-18 15:36:55,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:55,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2606 transitions. [2022-02-18 15:36:55,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:55,420 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:55,420 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, 1, 1, 1] [2022-02-18 15:36:55,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-02-18 15:36:55,420 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:55,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:55,420 INFO L85 PathProgramCache]: Analyzing trace with hash 631717261, now seen corresponding path program 12 times [2022-02-18 15:36:55,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:55,421 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010972796] [2022-02-18 15:36:55,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:55,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:55,966 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 15:36:55,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:55,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010972796] [2022-02-18 15:36:55,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010972796] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:55,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:55,967 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:55,967 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140424946] [2022-02-18 15:36:55,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:55,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:55,967 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:55,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:55,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:55,967 INFO L87 Difference]: Start difference. First operand 1405 states and 2606 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:57,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:57,045 INFO L93 Difference]: Finished difference Result 1711 states and 3154 transitions. [2022-02-18 15:36:57,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:36:57,046 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:57,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:57,048 INFO L225 Difference]: With dead ends: 1711 [2022-02-18 15:36:57,048 INFO L226 Difference]: Without dead ends: 1711 [2022-02-18 15:36:57,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:36:57,048 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 665 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:57,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [665 Valid, 1274 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:57,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2022-02-18 15:36:57,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1406. [2022-02-18 15:36:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8641887062187277) internal successors, (2608), 1405 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states 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 15:36:57,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2608 transitions. [2022-02-18 15:36:57,062 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2608 transitions. Word has length 113 [2022-02-18 15:36:57,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:57,062 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2608 transitions. [2022-02-18 15:36:57,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2608 transitions. [2022-02-18 15:36:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:57,064 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:57,064 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, 1, 1, 1] [2022-02-18 15:36:57,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-02-18 15:36:57,064 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:57,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:57,064 INFO L85 PathProgramCache]: Analyzing trace with hash -855714931, now seen corresponding path program 13 times [2022-02-18 15:36:57,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:57,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122233935] [2022-02-18 15:36:57,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:57,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:57,619 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 15:36:57,619 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:57,619 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122233935] [2022-02-18 15:36:57,620 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122233935] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:57,620 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:57,620 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:57,620 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050997990] [2022-02-18 15:36:57,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:57,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:57,620 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:57,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:57,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:57,620 INFO L87 Difference]: Start difference. First operand 1406 states and 2608 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:58,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:36:58,714 INFO L93 Difference]: Finished difference Result 1692 states and 3116 transitions. [2022-02-18 15:36:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:36:58,715 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:36:58,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:36:58,718 INFO L225 Difference]: With dead ends: 1692 [2022-02-18 15:36:58,718 INFO L226 Difference]: Without dead ends: 1692 [2022-02-18 15:36:58,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:36:58,718 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 620 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:36:58,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 1271 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:36:58,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2022-02-18 15:36:58,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1407. [2022-02-18 15:36:58,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 1400 states have (on average 1.8642857142857143) internal successors, (2610), 1406 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states 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 15:36:58,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2610 transitions. [2022-02-18 15:36:58,731 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2610 transitions. Word has length 113 [2022-02-18 15:36:58,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:36:58,731 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 2610 transitions. [2022-02-18 15:36:58,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:36:58,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2610 transitions. [2022-02-18 15:36:58,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:36:58,733 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:36:58,733 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, 1, 1, 1] [2022-02-18 15:36:58,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-02-18 15:36:58,733 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:36:58,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:36:58,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1274969103, now seen corresponding path program 14 times [2022-02-18 15:36:58,733 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:36:58,734 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203999030] [2022-02-18 15:36:58,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:36:58,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:36:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:36:59,355 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 15:36:59,356 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:36:59,356 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203999030] [2022-02-18 15:36:59,356 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203999030] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:36:59,356 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:36:59,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:36:59,356 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129108055] [2022-02-18 15:36:59,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:36:59,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:36:59,356 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:36:59,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:36:59,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:36:59,357 INFO L87 Difference]: Start difference. First operand 1407 states and 2610 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:00,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:00,581 INFO L93 Difference]: Finished difference Result 1693 states and 3118 transitions. [2022-02-18 15:37:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 15:37:00,582 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:00,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:00,584 INFO L225 Difference]: With dead ends: 1693 [2022-02-18 15:37:00,584 INFO L226 Difference]: Without dead ends: 1693 [2022-02-18 15:37:00,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=382, Invalid=1340, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 15:37:00,584 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 642 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:00,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [642 Valid, 1435 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:37:00,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2022-02-18 15:37:00,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1404. [2022-02-18 15:37:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.8639942734430923) internal successors, (2604), 1403 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states 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 15:37:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-02-18 15:37:00,599 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-02-18 15:37:00,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:00,599 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-02-18 15:37:00,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-02-18 15:37:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:00,601 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:00,601 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, 1, 1, 1] [2022-02-18 15:37:00,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-02-18 15:37:00,601 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:00,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:00,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2053611957, now seen corresponding path program 15 times [2022-02-18 15:37:00,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:00,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090984600] [2022-02-18 15:37:00,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:00,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:01,021 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 15:37:01,021 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:01,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090984600] [2022-02-18 15:37:01,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090984600] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:01,021 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:01,022 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:01,022 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898813860] [2022-02-18 15:37:01,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:01,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:01,022 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:01,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:01,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:01,022 INFO L87 Difference]: Start difference. First operand 1404 states and 2604 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:02,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:02,004 INFO L93 Difference]: Finished difference Result 1648 states and 3043 transitions. [2022-02-18 15:37:02,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-18 15:37:02,005 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:02,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:02,006 INFO L225 Difference]: With dead ends: 1648 [2022-02-18 15:37:02,006 INFO L226 Difference]: Without dead ends: 1648 [2022-02-18 15:37:02,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=311, Invalid=1095, Unknown=0, NotChecked=0, Total=1406 [2022-02-18 15:37:02,007 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 691 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:02,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [691 Valid, 1439 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:02,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2022-02-18 15:37:02,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1405. [2022-02-18 15:37:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1398 states have (on average 1.8640915593705294) internal successors, (2606), 1404 states have internal predecessors, (2606), 0 states have call successors, (0), 0 states 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 15:37:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2606 transitions. [2022-02-18 15:37:02,021 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2606 transitions. Word has length 113 [2022-02-18 15:37:02,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:02,021 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2606 transitions. [2022-02-18 15:37:02,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2606 transitions. [2022-02-18 15:37:02,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:02,023 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:02,023 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, 1, 1, 1] [2022-02-18 15:37:02,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-02-18 15:37:02,023 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:02,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:02,023 INFO L85 PathProgramCache]: Analyzing trace with hash 566179765, now seen corresponding path program 16 times [2022-02-18 15:37:02,024 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:02,024 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77726469] [2022-02-18 15:37:02,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:02,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:02,623 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 15:37:02,623 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:02,623 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77726469] [2022-02-18 15:37:02,623 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77726469] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:02,623 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:02,623 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:02,623 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184290738] [2022-02-18 15:37:02,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:02,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:02,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:02,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:02,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:02,624 INFO L87 Difference]: Start difference. First operand 1405 states and 2606 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:03,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:03,662 INFO L93 Difference]: Finished difference Result 1674 states and 3080 transitions. [2022-02-18 15:37:03,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:37:03,663 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:03,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:03,665 INFO L225 Difference]: With dead ends: 1674 [2022-02-18 15:37:03,665 INFO L226 Difference]: Without dead ends: 1674 [2022-02-18 15:37:03,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=359, Invalid=1281, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:37:03,665 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 663 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:03,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [663 Valid, 1137 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:03,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2022-02-18 15:37:03,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1406. [2022-02-18 15:37:03,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1399 states have (on average 1.8641887062187277) internal successors, (2608), 1405 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states 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 15:37:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2608 transitions. [2022-02-18 15:37:03,678 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2608 transitions. Word has length 113 [2022-02-18 15:37:03,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:03,678 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2608 transitions. [2022-02-18 15:37:03,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:03,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2608 transitions. [2022-02-18 15:37:03,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:03,679 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:03,680 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, 1, 1, 1] [2022-02-18 15:37:03,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-02-18 15:37:03,680 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:03,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:03,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1598103497, now seen corresponding path program 17 times [2022-02-18 15:37:03,680 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:03,680 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714251887] [2022-02-18 15:37:03,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:03,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:04,067 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 15:37:04,067 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:04,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714251887] [2022-02-18 15:37:04,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714251887] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:04,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:04,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:04,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343558283] [2022-02-18 15:37:04,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:04,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:04,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:04,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:04,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:04,068 INFO L87 Difference]: Start difference. First operand 1406 states and 2608 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:04,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:04,625 INFO L93 Difference]: Finished difference Result 1510 states and 2780 transitions. [2022-02-18 15:37:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:37:04,626 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:04,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:04,627 INFO L225 Difference]: With dead ends: 1510 [2022-02-18 15:37:04,627 INFO L226 Difference]: Without dead ends: 1510 [2022-02-18 15:37:04,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:37:04,628 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 132 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:04,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 745 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:04,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2022-02-18 15:37:04,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1404. [2022-02-18 15:37:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.8639942734430923) internal successors, (2604), 1403 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states 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 15:37:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-02-18 15:37:04,639 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-02-18 15:37:04,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:04,639 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-02-18 15:37:04,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-02-18 15:37:04,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:04,640 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:04,640 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, 1, 1, 1] [2022-02-18 15:37:04,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-02-18 15:37:04,641 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:04,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:04,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1092675235, now seen corresponding path program 18 times [2022-02-18 15:37:04,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:04,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341149098] [2022-02-18 15:37:04,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:04,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:05,107 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 15:37:05,107 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:05,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341149098] [2022-02-18 15:37:05,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341149098] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:05,107 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:05,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:05,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461650740] [2022-02-18 15:37:05,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:05,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:05,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:05,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:05,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:05,108 INFO L87 Difference]: Start difference. First operand 1404 states and 2604 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:06,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:06,016 INFO L93 Difference]: Finished difference Result 1610 states and 2974 transitions. [2022-02-18 15:37:06,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:37:06,016 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:06,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:06,018 INFO L225 Difference]: With dead ends: 1610 [2022-02-18 15:37:06,018 INFO L226 Difference]: Without dead ends: 1610 [2022-02-18 15:37:06,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=301, Invalid=1031, Unknown=0, NotChecked=0, Total=1332 [2022-02-18 15:37:06,018 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 694 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:06,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 1513 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:06,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2022-02-18 15:37:06,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1404. [2022-02-18 15:37:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.8639942734430923) internal successors, (2604), 1403 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states 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 15:37:06,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-02-18 15:37:06,032 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-02-18 15:37:06,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:06,032 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-02-18 15:37:06,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:06,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-02-18 15:37:06,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:06,033 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:06,033 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:06,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-02-18 15:37:06,034 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:06,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:06,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1108429891, now seen corresponding path program 19 times [2022-02-18 15:37:06,034 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:06,034 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270001153] [2022-02-18 15:37:06,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:06,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:06,482 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 15:37:06,482 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:06,482 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270001153] [2022-02-18 15:37:06,482 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270001153] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:06,482 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:06,483 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:06,483 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104224343] [2022-02-18 15:37:06,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:06,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:06,483 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:06,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:06,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:06,483 INFO L87 Difference]: Start difference. First operand 1404 states and 2604 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:07,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:07,562 INFO L93 Difference]: Finished difference Result 1639 states and 3017 transitions. [2022-02-18 15:37:07,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:37:07,562 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:07,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:07,564 INFO L225 Difference]: With dead ends: 1639 [2022-02-18 15:37:07,564 INFO L226 Difference]: Without dead ends: 1639 [2022-02-18 15:37:07,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=363, Invalid=1277, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:37:07,564 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 767 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:07,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 1349 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:07,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2022-02-18 15:37:07,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1405. [2022-02-18 15:37:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1398 states have (on average 1.8640915593705294) internal successors, (2606), 1404 states have internal predecessors, (2606), 0 states have call successors, (0), 0 states 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 15:37:07,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2606 transitions. [2022-02-18 15:37:07,576 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2606 transitions. Word has length 113 [2022-02-18 15:37:07,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:07,576 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2606 transitions. [2022-02-18 15:37:07,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2606 transitions. [2022-02-18 15:37:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:07,578 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:07,578 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, 1, 1, 1] [2022-02-18 15:37:07,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-02-18 15:37:07,578 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:07,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:07,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1055853371, now seen corresponding path program 20 times [2022-02-18 15:37:07,578 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:07,579 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576726887] [2022-02-18 15:37:07,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:07,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:08,031 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 15:37:08,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:08,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576726887] [2022-02-18 15:37:08,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576726887] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:08,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:08,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:08,032 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203063275] [2022-02-18 15:37:08,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:08,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:08,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:08,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:08,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:08,032 INFO L87 Difference]: Start difference. First operand 1405 states and 2606 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:09,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:09,128 INFO L93 Difference]: Finished difference Result 1792 states and 3298 transitions. [2022-02-18 15:37:09,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 15:37:09,128 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:09,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:09,130 INFO L225 Difference]: With dead ends: 1792 [2022-02-18 15:37:09,130 INFO L226 Difference]: Without dead ends: 1792 [2022-02-18 15:37:09,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=329, Invalid=1231, Unknown=0, NotChecked=0, Total=1560 [2022-02-18 15:37:09,130 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 684 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:09,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 1596 Invalid, 1099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:09,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2022-02-18 15:37:09,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1404. [2022-02-18 15:37:09,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1397 states have (on average 1.8639942734430923) internal successors, (2604), 1403 states have internal predecessors, (2604), 0 states have call successors, (0), 0 states 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 15:37:09,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-02-18 15:37:09,143 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-02-18 15:37:09,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:09,144 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-02-18 15:37:09,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-02-18 15:37:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:09,145 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:09,145 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, 1, 1, 1] [2022-02-18 15:37:09,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-02-18 15:37:09,145 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:09,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:09,145 INFO L85 PathProgramCache]: Analyzing trace with hash 512524643, now seen corresponding path program 26 times [2022-02-18 15:37:09,146 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:09,146 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926668729] [2022-02-18 15:37:09,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:09,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:09,481 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 15:37:09,481 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:09,481 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926668729] [2022-02-18 15:37:09,481 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926668729] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:09,481 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:09,481 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:09,481 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381730590] [2022-02-18 15:37:09,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:09,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:09,482 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:09,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:09,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:09,482 INFO L87 Difference]: Start difference. First operand 1404 states and 2604 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:09,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:09,887 INFO L93 Difference]: Finished difference Result 1897 states and 3490 transitions. [2022-02-18 15:37:09,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:37:09,887 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:09,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:09,889 INFO L225 Difference]: With dead ends: 1897 [2022-02-18 15:37:09,889 INFO L226 Difference]: Without dead ends: 1897 [2022-02-18 15:37:09,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:09,889 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 244 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:09,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [244 Valid, 521 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:09,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2022-02-18 15:37:09,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1461. [2022-02-18 15:37:09,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1454 states have (on average 1.8693259972489684) internal successors, (2718), 1460 states have internal predecessors, (2718), 0 states have call successors, (0), 0 states 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 15:37:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2718 transitions. [2022-02-18 15:37:09,906 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2718 transitions. Word has length 113 [2022-02-18 15:37:09,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:09,907 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2718 transitions. [2022-02-18 15:37:09,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:09,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2718 transitions. [2022-02-18 15:37:09,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:09,909 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:09,909 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, 1, 1, 1] [2022-02-18 15:37:09,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-02-18 15:37:09,909 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:09,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:09,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1627243649, now seen corresponding path program 2 times [2022-02-18 15:37:09,909 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:09,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358569176] [2022-02-18 15:37:09,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:09,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:10,194 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 15:37:10,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:10,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358569176] [2022-02-18 15:37:10,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358569176] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:10,194 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:10,194 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:10,194 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851511138] [2022-02-18 15:37:10,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:10,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:10,195 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:10,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:10,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:10,195 INFO L87 Difference]: Start difference. First operand 1461 states and 2718 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:10,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:10,583 INFO L93 Difference]: Finished difference Result 1908 states and 3511 transitions. [2022-02-18 15:37:10,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:10,583 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:10,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:10,585 INFO L225 Difference]: With dead ends: 1908 [2022-02-18 15:37:10,585 INFO L226 Difference]: Without dead ends: 1908 [2022-02-18 15:37:10,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:10,585 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 197 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:10,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 510 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:10,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-02-18 15:37:10,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1441. [2022-02-18 15:37:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8682008368200838) internal successors, (2679), 1440 states have internal predecessors, (2679), 0 states have call successors, (0), 0 states 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 15:37:10,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2679 transitions. [2022-02-18 15:37:10,599 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2679 transitions. Word has length 113 [2022-02-18 15:37:10,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:10,599 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2679 transitions. [2022-02-18 15:37:10,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:10,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2679 transitions. [2022-02-18 15:37:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:10,601 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:10,601 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, 1, 1, 1] [2022-02-18 15:37:10,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-02-18 15:37:10,601 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:10,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:10,601 INFO L85 PathProgramCache]: Analyzing trace with hash -557415706, now seen corresponding path program 6 times [2022-02-18 15:37:10,601 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:10,601 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976537010] [2022-02-18 15:37:10,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:10,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:11,388 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 15:37:11,388 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:11,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976537010] [2022-02-18 15:37:11,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976537010] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:11,388 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:11,388 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:11,389 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674502134] [2022-02-18 15:37:11,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:11,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:11,389 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:11,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:11,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:11,389 INFO L87 Difference]: Start difference. First operand 1441 states and 2679 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:11,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:11,954 INFO L93 Difference]: Finished difference Result 2085 states and 3845 transitions. [2022-02-18 15:37:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:37:11,955 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:11,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:11,957 INFO L225 Difference]: With dead ends: 2085 [2022-02-18 15:37:11,957 INFO L226 Difference]: Without dead ends: 2085 [2022-02-18 15:37:11,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:37:11,957 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 294 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:11,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 646 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:11,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2022-02-18 15:37:11,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 1476. [2022-02-18 15:37:11,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1469 states have (on average 1.8713410483321988) internal successors, (2749), 1475 states have internal predecessors, (2749), 0 states have call successors, (0), 0 states 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 15:37:11,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 2749 transitions. [2022-02-18 15:37:11,971 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 2749 transitions. Word has length 113 [2022-02-18 15:37:11,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:11,972 INFO L470 AbstractCegarLoop]: Abstraction has 1476 states and 2749 transitions. [2022-02-18 15:37:11,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:11,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2749 transitions. [2022-02-18 15:37:11,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:11,974 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:11,974 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, 1, 1, 1] [2022-02-18 15:37:11,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-02-18 15:37:11,974 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:11,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:11,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1692232760, now seen corresponding path program 7 times [2022-02-18 15:37:11,974 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:11,975 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165620149] [2022-02-18 15:37:11,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:11,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:12,744 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 15:37:12,744 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:12,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165620149] [2022-02-18 15:37:12,744 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165620149] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:12,744 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:12,744 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:37:12,745 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742033161] [2022-02-18 15:37:12,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:12,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:37:12,745 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:12,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:37:12,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:12,745 INFO L87 Difference]: Start difference. First operand 1476 states and 2749 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:13,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:13,230 INFO L93 Difference]: Finished difference Result 2073 states and 3821 transitions. [2022-02-18 15:37:13,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:13,230 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:13,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:13,232 INFO L225 Difference]: With dead ends: 2073 [2022-02-18 15:37:13,232 INFO L226 Difference]: Without dead ends: 2073 [2022-02-18 15:37:13,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:37:13,233 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 263 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:13,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 588 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:13,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2022-02-18 15:37:13,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 1480. [2022-02-18 15:37:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1480 states, 1473 states have (on average 1.8716904276985744) internal successors, (2757), 1479 states have internal predecessors, (2757), 0 states have call successors, (0), 0 states 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 15:37:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2757 transitions. [2022-02-18 15:37:13,248 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2757 transitions. Word has length 113 [2022-02-18 15:37:13,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:13,248 INFO L470 AbstractCegarLoop]: Abstraction has 1480 states and 2757 transitions. [2022-02-18 15:37:13,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2757 transitions. [2022-02-18 15:37:13,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:13,250 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:13,250 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, 1, 1, 1] [2022-02-18 15:37:13,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-02-18 15:37:13,250 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:13,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:13,250 INFO L85 PathProgramCache]: Analyzing trace with hash 390081924, now seen corresponding path program 8 times [2022-02-18 15:37:13,250 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:13,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267927946] [2022-02-18 15:37:13,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:13,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:14,040 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 15:37:14,040 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:14,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267927946] [2022-02-18 15:37:14,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267927946] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:14,040 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:14,040 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:14,041 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202458204] [2022-02-18 15:37:14,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:14,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:14,041 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:14,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:14,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:14,041 INFO L87 Difference]: Start difference. First operand 1480 states and 2757 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:14,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:14,621 INFO L93 Difference]: Finished difference Result 2154 states and 3983 transitions. [2022-02-18 15:37:14,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:37:14,621 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:14,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:14,624 INFO L225 Difference]: With dead ends: 2154 [2022-02-18 15:37:14,624 INFO L226 Difference]: Without dead ends: 2154 [2022-02-18 15:37:14,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:37:14,625 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 284 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:14,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 529 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:14,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-02-18 15:37:14,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1493. [2022-02-18 15:37:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1486 states have (on average 1.8728129205921937) internal successors, (2783), 1492 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states 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 15:37:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2783 transitions. [2022-02-18 15:37:14,639 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2783 transitions. Word has length 113 [2022-02-18 15:37:14,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:14,640 INFO L470 AbstractCegarLoop]: Abstraction has 1493 states and 2783 transitions. [2022-02-18 15:37:14,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2783 transitions. [2022-02-18 15:37:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:14,641 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:14,641 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, 1, 1, 1] [2022-02-18 15:37:14,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-02-18 15:37:14,641 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:14,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:14,642 INFO L85 PathProgramCache]: Analyzing trace with hash 282069162, now seen corresponding path program 9 times [2022-02-18 15:37:14,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:14,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750716506] [2022-02-18 15:37:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:14,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:15,268 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 15:37:15,268 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:15,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750716506] [2022-02-18 15:37:15,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750716506] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:15,269 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:15,269 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:15,269 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186531054] [2022-02-18 15:37:15,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:15,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:15,269 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:15,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:15,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:15,269 INFO L87 Difference]: Start difference. First operand 1493 states and 2783 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:15,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:15,845 INFO L93 Difference]: Finished difference Result 2221 states and 4117 transitions. [2022-02-18 15:37:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:37:15,845 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:15,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:15,848 INFO L225 Difference]: With dead ends: 2221 [2022-02-18 15:37:15,848 INFO L226 Difference]: Without dead ends: 2221 [2022-02-18 15:37:15,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:37:15,850 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 259 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:15,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 620 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:15,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2221 states. [2022-02-18 15:37:15,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2221 to 1519. [2022-02-18 15:37:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1512 states have (on average 1.875) internal successors, (2835), 1518 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states 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 15:37:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2835 transitions. [2022-02-18 15:37:15,864 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2835 transitions. Word has length 113 [2022-02-18 15:37:15,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:15,864 INFO L470 AbstractCegarLoop]: Abstraction has 1519 states and 2835 transitions. [2022-02-18 15:37:15,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2835 transitions. [2022-02-18 15:37:15,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:15,866 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:15,866 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, 1, 1, 1] [2022-02-18 15:37:15,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-02-18 15:37:15,866 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:15,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:15,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1769406174, now seen corresponding path program 10 times [2022-02-18 15:37:15,866 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:15,866 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950531] [2022-02-18 15:37:15,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:15,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:16,253 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 15:37:16,253 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:16,253 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950531] [2022-02-18 15:37:16,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950531] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:16,253 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:16,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:37:16,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826550164] [2022-02-18 15:37:16,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:16,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:37:16,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:16,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:37:16,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:16,254 INFO L87 Difference]: Start difference. First operand 1519 states and 2835 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:16,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:16,659 INFO L93 Difference]: Finished difference Result 2034 states and 3759 transitions. [2022-02-18 15:37:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:16,660 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:16,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:16,662 INFO L225 Difference]: With dead ends: 2034 [2022-02-18 15:37:16,662 INFO L226 Difference]: Without dead ends: 2034 [2022-02-18 15:37:16,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:16,662 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 221 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:16,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 487 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:16,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2022-02-18 15:37:16,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 1523. [2022-02-18 15:37:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1516 states have (on average 1.8753298153034301) internal successors, (2843), 1522 states have internal predecessors, (2843), 0 states have call successors, (0), 0 states 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 15:37:16,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2843 transitions. [2022-02-18 15:37:16,678 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2843 transitions. Word has length 113 [2022-02-18 15:37:16,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:16,679 INFO L470 AbstractCegarLoop]: Abstraction has 1523 states and 2843 transitions. [2022-02-18 15:37:16,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:16,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2843 transitions. [2022-02-18 15:37:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:16,680 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:16,680 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, 1, 1, 1] [2022-02-18 15:37:16,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-02-18 15:37:16,681 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:16,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:16,681 INFO L85 PathProgramCache]: Analyzing trace with hash -59279533, now seen corresponding path program 21 times [2022-02-18 15:37:16,681 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:16,681 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459584631] [2022-02-18 15:37:16,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:16,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:16,825 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 15:37:16,825 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:16,825 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459584631] [2022-02-18 15:37:16,825 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459584631] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:16,825 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:16,825 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:16,825 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261760893] [2022-02-18 15:37:16,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:16,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:16,826 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:16,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:16,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:16,826 INFO L87 Difference]: Start difference. First operand 1523 states and 2843 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:17,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:17,385 INFO L93 Difference]: Finished difference Result 2022 states and 3738 transitions. [2022-02-18 15:37:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:37:17,385 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:17,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:17,387 INFO L225 Difference]: With dead ends: 2022 [2022-02-18 15:37:17,388 INFO L226 Difference]: Without dead ends: 2022 [2022-02-18 15:37:17,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=300, Unknown=0, NotChecked=0, Total=462 [2022-02-18 15:37:17,388 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 288 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:17,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 689 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:17,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2022 states. [2022-02-18 15:37:17,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2022 to 1521. [2022-02-18 15:37:17,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1514 states have (on average 1.8751651254953765) internal successors, (2839), 1520 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states 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 15:37:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2839 transitions. [2022-02-18 15:37:17,402 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2839 transitions. Word has length 113 [2022-02-18 15:37:17,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:17,402 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 2839 transitions. [2022-02-18 15:37:17,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:17,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2839 transitions. [2022-02-18 15:37:17,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:17,404 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:17,404 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, 1, 1, 1] [2022-02-18 15:37:17,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-02-18 15:37:17,405 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:17,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:17,405 INFO L85 PathProgramCache]: Analyzing trace with hash -143889073, now seen corresponding path program 22 times [2022-02-18 15:37:17,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:17,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439523006] [2022-02-18 15:37:17,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:17,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:17,716 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 15:37:17,716 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:17,716 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439523006] [2022-02-18 15:37:17,716 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439523006] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:17,716 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:17,716 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:17,716 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072279631] [2022-02-18 15:37:17,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:17,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:17,716 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:17,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:17,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:17,717 INFO L87 Difference]: Start difference. First operand 1521 states and 2839 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:18,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:18,160 INFO L93 Difference]: Finished difference Result 2036 states and 3759 transitions. [2022-02-18 15:37:18,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:18,160 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:18,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:18,163 INFO L225 Difference]: With dead ends: 2036 [2022-02-18 15:37:18,163 INFO L226 Difference]: Without dead ends: 2036 [2022-02-18 15:37:18,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:18,163 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 210 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:18,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 543 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:18,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2036 states. [2022-02-18 15:37:18,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2036 to 1314. [2022-02-18 15:37:18,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1307 states have (on average 1.856159143075746) internal successors, (2426), 1313 states have internal predecessors, (2426), 0 states have call successors, (0), 0 states 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 15:37:18,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2426 transitions. [2022-02-18 15:37:18,180 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2426 transitions. Word has length 113 [2022-02-18 15:37:18,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:18,180 INFO L470 AbstractCegarLoop]: Abstraction has 1314 states and 2426 transitions. [2022-02-18 15:37:18,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:18,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2426 transitions. [2022-02-18 15:37:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:18,181 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:18,182 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, 1, 1, 1] [2022-02-18 15:37:18,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-02-18 15:37:18,182 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:18,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:18,182 INFO L85 PathProgramCache]: Analyzing trace with hash -572567800, now seen corresponding path program 11 times [2022-02-18 15:37:18,182 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:18,182 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527713882] [2022-02-18 15:37:18,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:18,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:18,907 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 15:37:18,907 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:18,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527713882] [2022-02-18 15:37:18,908 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527713882] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:18,908 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:18,908 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:18,908 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594414255] [2022-02-18 15:37:18,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:18,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:18,908 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:18,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:18,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:18,908 INFO L87 Difference]: Start difference. First operand 1314 states and 2426 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:19,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:19,513 INFO L93 Difference]: Finished difference Result 1672 states and 3087 transitions. [2022-02-18 15:37:19,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:37:19,513 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:19,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:19,515 INFO L225 Difference]: With dead ends: 1672 [2022-02-18 15:37:19,515 INFO L226 Difference]: Without dead ends: 1672 [2022-02-18 15:37:19,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=121, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:37:19,515 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 261 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:19,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 617 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:19,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2022-02-18 15:37:19,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1328. [2022-02-18 15:37:19,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 1321 states have (on average 1.857683573050719) internal successors, (2454), 1327 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states 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 15:37:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 2454 transitions. [2022-02-18 15:37:19,526 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 2454 transitions. Word has length 113 [2022-02-18 15:37:19,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:19,527 INFO L470 AbstractCegarLoop]: Abstraction has 1328 states and 2454 transitions. [2022-02-18 15:37:19,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 2454 transitions. [2022-02-18 15:37:19,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:19,528 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:19,528 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, 1, 1, 1] [2022-02-18 15:37:19,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-02-18 15:37:19,528 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:19,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:19,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1707384854, now seen corresponding path program 12 times [2022-02-18 15:37:19,528 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:19,528 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130694885] [2022-02-18 15:37:19,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:19,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:20,233 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 15:37:20,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:20,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130694885] [2022-02-18 15:37:20,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130694885] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:20,234 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:20,234 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:37:20,234 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508482774] [2022-02-18 15:37:20,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:20,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:37:20,234 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:20,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:37:20,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:20,235 INFO L87 Difference]: Start difference. First operand 1328 states and 2454 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:20,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:20,817 INFO L93 Difference]: Finished difference Result 1666 states and 3075 transitions. [2022-02-18 15:37:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:20,818 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:20,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:20,819 INFO L225 Difference]: With dead ends: 1666 [2022-02-18 15:37:20,819 INFO L226 Difference]: Without dead ends: 1666 [2022-02-18 15:37:20,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=107, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:37:20,820 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 243 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:20,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 567 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:20,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2022-02-18 15:37:20,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1321. [2022-02-18 15:37:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 1314 states have (on average 1.856925418569254) internal successors, (2440), 1320 states have internal predecessors, (2440), 0 states have call successors, (0), 0 states 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 15:37:20,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 2440 transitions. [2022-02-18 15:37:20,831 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 2440 transitions. Word has length 113 [2022-02-18 15:37:20,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:20,831 INFO L470 AbstractCegarLoop]: Abstraction has 1321 states and 2440 transitions. [2022-02-18 15:37:20,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 2440 transitions. [2022-02-18 15:37:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:20,833 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:20,833 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, 1, 1, 1] [2022-02-18 15:37:20,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-02-18 15:37:20,833 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:20,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:20,833 INFO L85 PathProgramCache]: Analyzing trace with hash 374929830, now seen corresponding path program 13 times [2022-02-18 15:37:20,833 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:20,833 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520231820] [2022-02-18 15:37:20,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:20,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:21,650 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 15:37:21,650 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:21,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520231820] [2022-02-18 15:37:21,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520231820] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:21,650 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:21,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:21,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245781474] [2022-02-18 15:37:21,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:21,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:21,651 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:21,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:21,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:21,651 INFO L87 Difference]: Start difference. First operand 1321 states and 2440 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:22,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:22,335 INFO L93 Difference]: Finished difference Result 1735 states and 3213 transitions. [2022-02-18 15:37:22,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:37:22,335 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:22,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:22,337 INFO L225 Difference]: With dead ends: 1735 [2022-02-18 15:37:22,337 INFO L226 Difference]: Without dead ends: 1735 [2022-02-18 15:37:22,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=159, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:37:22,337 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 220 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:22,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 653 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:22,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-02-18 15:37:22,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1314. [2022-02-18 15:37:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1307 states have (on average 1.856159143075746) internal successors, (2426), 1313 states have internal predecessors, (2426), 0 states have call successors, (0), 0 states 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 15:37:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2426 transitions. [2022-02-18 15:37:22,351 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2426 transitions. Word has length 113 [2022-02-18 15:37:22,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:22,352 INFO L470 AbstractCegarLoop]: Abstraction has 1314 states and 2426 transitions. [2022-02-18 15:37:22,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:22,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2426 transitions. [2022-02-18 15:37:22,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:22,353 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:22,353 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, 1, 1, 1] [2022-02-18 15:37:22,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-02-18 15:37:22,353 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:22,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:22,353 INFO L85 PathProgramCache]: Analyzing trace with hash 266917068, now seen corresponding path program 14 times [2022-02-18 15:37:22,353 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:22,353 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540541139] [2022-02-18 15:37:22,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:22,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:23,136 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 15:37:23,136 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:23,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540541139] [2022-02-18 15:37:23,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540541139] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:23,136 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:23,137 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:23,137 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751055332] [2022-02-18 15:37:23,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:23,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:23,137 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:23,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:23,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:23,137 INFO L87 Difference]: Start difference. First operand 1314 states and 2426 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:23,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:23,539 INFO L93 Difference]: Finished difference Result 1612 states and 2982 transitions. [2022-02-18 15:37:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:37:23,539 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:23,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:23,541 INFO L225 Difference]: With dead ends: 1612 [2022-02-18 15:37:23,541 INFO L226 Difference]: Without dead ends: 1612 [2022-02-18 15:37:23,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=91, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:37:23,544 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 188 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:23,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 491 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:23,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2022-02-18 15:37:23,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1308. [2022-02-18 15:37:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1301 states have (on average 1.8554957724827057) internal successors, (2414), 1307 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states 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 15:37:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 2414 transitions. [2022-02-18 15:37:23,556 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 2414 transitions. Word has length 113 [2022-02-18 15:37:23,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:23,556 INFO L470 AbstractCegarLoop]: Abstraction has 1308 states and 2414 transitions. [2022-02-18 15:37:23,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2414 transitions. [2022-02-18 15:37:23,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:23,557 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:23,557 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, 1, 1, 1] [2022-02-18 15:37:23,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-02-18 15:37:23,558 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:23,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:23,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1602348004, now seen corresponding path program 15 times [2022-02-18 15:37:23,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:23,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492472862] [2022-02-18 15:37:23,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:23,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:24,330 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 15:37:24,330 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:24,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492472862] [2022-02-18 15:37:24,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492472862] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:24,330 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:24,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:24,330 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698022799] [2022-02-18 15:37:24,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:24,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:24,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:24,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:24,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:24,331 INFO L87 Difference]: Start difference. First operand 1308 states and 2414 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:25,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:25,014 INFO L93 Difference]: Finished difference Result 1617 states and 2979 transitions. [2022-02-18 15:37:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:37:25,014 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:25,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:25,016 INFO L225 Difference]: With dead ends: 1617 [2022-02-18 15:37:25,016 INFO L226 Difference]: Without dead ends: 1617 [2022-02-18 15:37:25,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=139, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:37:25,017 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 240 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:25,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 642 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:25,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2022-02-18 15:37:25,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1315. [2022-02-18 15:37:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 1308 states have (on average 1.856269113149847) internal successors, (2428), 1314 states have internal predecessors, (2428), 0 states have call successors, (0), 0 states 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 15:37:25,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 2428 transitions. [2022-02-18 15:37:25,031 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 2428 transitions. Word has length 113 [2022-02-18 15:37:25,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:25,031 INFO L470 AbstractCegarLoop]: Abstraction has 1315 states and 2428 transitions. [2022-02-18 15:37:25,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:25,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 2428 transitions. [2022-02-18 15:37:25,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:25,033 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:25,033 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:37:25,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-02-18 15:37:25,033 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:25,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:25,033 INFO L85 PathProgramCache]: Analyzing trace with hash 467530950, now seen corresponding path program 16 times [2022-02-18 15:37:25,033 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:25,033 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203136432] [2022-02-18 15:37:25,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:25,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:25,740 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 15:37:25,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:25,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203136432] [2022-02-18 15:37:25,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203136432] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:25,740 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:25,741 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:37:25,741 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132287285] [2022-02-18 15:37:25,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:25,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:37:25,741 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:25,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:37:25,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:25,741 INFO L87 Difference]: Start difference. First operand 1315 states and 2428 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:26,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:26,326 INFO L93 Difference]: Finished difference Result 1611 states and 2967 transitions. [2022-02-18 15:37:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:26,327 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:26,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:26,329 INFO L225 Difference]: With dead ends: 1611 [2022-02-18 15:37:26,329 INFO L226 Difference]: Without dead ends: 1611 [2022-02-18 15:37:26,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=124, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:37:26,330 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 228 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:26,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 489 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:26,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2022-02-18 15:37:26,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1308. [2022-02-18 15:37:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1301 states have (on average 1.8554957724827057) internal successors, (2414), 1307 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states 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 15:37:26,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 2414 transitions. [2022-02-18 15:37:26,342 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 2414 transitions. Word has length 113 [2022-02-18 15:37:26,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:26,342 INFO L470 AbstractCegarLoop]: Abstraction has 1308 states and 2414 transitions. [2022-02-18 15:37:26,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:26,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2414 transitions. [2022-02-18 15:37:26,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:26,343 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:26,343 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, 1, 1, 1] [2022-02-18 15:37:26,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-02-18 15:37:26,344 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:26,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:26,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1745121662, now seen corresponding path program 17 times [2022-02-18 15:37:26,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:26,344 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059123286] [2022-02-18 15:37:26,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:26,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:27,194 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 15:37:27,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:27,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059123286] [2022-02-18 15:37:27,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059123286] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:27,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:27,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:27,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467538346] [2022-02-18 15:37:27,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:27,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:27,195 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:27,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:27,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:27,195 INFO L87 Difference]: Start difference. First operand 1308 states and 2414 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:27,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:27,895 INFO L93 Difference]: Finished difference Result 1570 states and 2899 transitions. [2022-02-18 15:37:27,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:37:27,896 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:27,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:27,897 INFO L225 Difference]: With dead ends: 1570 [2022-02-18 15:37:27,897 INFO L226 Difference]: Without dead ends: 1570 [2022-02-18 15:37:27,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=179, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:37:27,898 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 212 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:27,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 608 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:27,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-02-18 15:37:27,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1295. [2022-02-18 15:37:27,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 1288 states have (on average 1.8540372670807452) internal successors, (2388), 1294 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states 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 15:37:27,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 2388 transitions. [2022-02-18 15:37:27,910 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 2388 transitions. Word has length 113 [2022-02-18 15:37:27,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:27,910 INFO L470 AbstractCegarLoop]: Abstraction has 1295 states and 2388 transitions. [2022-02-18 15:37:27,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:27,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2388 transitions. [2022-02-18 15:37:27,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:27,911 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:27,911 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, 1, 1, 1] [2022-02-18 15:37:27,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-02-18 15:37:27,911 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:27,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:27,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1191765034, now seen corresponding path program 18 times [2022-02-18 15:37:27,911 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:27,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124975628] [2022-02-18 15:37:27,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:27,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:28,677 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 15:37:28,678 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:28,678 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124975628] [2022-02-18 15:37:28,678 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124975628] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:28,678 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:28,678 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:28,678 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706816318] [2022-02-18 15:37:28,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:28,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:28,678 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:28,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:28,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:28,679 INFO L87 Difference]: Start difference. First operand 1295 states and 2388 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:29,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:29,426 INFO L93 Difference]: Finished difference Result 1550 states and 2847 transitions. [2022-02-18 15:37:29,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:37:29,426 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:29,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:29,429 INFO L225 Difference]: With dead ends: 1550 [2022-02-18 15:37:29,429 INFO L226 Difference]: Without dead ends: 1550 [2022-02-18 15:37:29,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=159, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:37:29,429 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 232 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:29,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 645 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:29,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-02-18 15:37:29,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1295. [2022-02-18 15:37:29,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 1288 states have (on average 1.8540372670807452) internal successors, (2388), 1294 states have internal predecessors, (2388), 0 states have call successors, (0), 0 states 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 15:37:29,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 2388 transitions. [2022-02-18 15:37:29,445 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 2388 transitions. Word has length 113 [2022-02-18 15:37:29,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:29,445 INFO L470 AbstractCegarLoop]: Abstraction has 1295 states and 2388 transitions. [2022-02-18 15:37:29,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:29,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2388 transitions. [2022-02-18 15:37:29,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:29,447 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:29,447 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, 1, 1, 1] [2022-02-18 15:37:29,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-02-18 15:37:29,447 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:29,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:29,447 INFO L85 PathProgramCache]: Analyzing trace with hash 56947980, now seen corresponding path program 19 times [2022-02-18 15:37:29,447 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:29,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729070581] [2022-02-18 15:37:29,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:29,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:30,151 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 15:37:30,151 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:30,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729070581] [2022-02-18 15:37:30,151 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729070581] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:30,151 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:30,151 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:37:30,151 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058926409] [2022-02-18 15:37:30,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:30,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:37:30,151 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:30,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:37:30,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:30,152 INFO L87 Difference]: Start difference. First operand 1295 states and 2388 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:30,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:30,797 INFO L93 Difference]: Finished difference Result 1495 states and 2750 transitions. [2022-02-18 15:37:30,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:30,798 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:30,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:30,799 INFO L225 Difference]: With dead ends: 1495 [2022-02-18 15:37:30,800 INFO L226 Difference]: Without dead ends: 1495 [2022-02-18 15:37:30,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:37:30,800 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 219 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:30,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 489 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:30,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2022-02-18 15:37:30,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1281. [2022-02-18 15:37:30,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1274 states have (on average 1.8524332810047095) internal successors, (2360), 1280 states have internal predecessors, (2360), 0 states have call successors, (0), 0 states 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 15:37:30,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 2360 transitions. [2022-02-18 15:37:30,811 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 2360 transitions. Word has length 113 [2022-02-18 15:37:30,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:30,811 INFO L470 AbstractCegarLoop]: Abstraction has 1281 states and 2360 transitions. [2022-02-18 15:37:30,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:30,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 2360 transitions. [2022-02-18 15:37:30,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:30,812 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:30,812 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, 1, 1, 1] [2022-02-18 15:37:30,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-02-18 15:37:30,812 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:30,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:30,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1250392510, now seen corresponding path program 20 times [2022-02-18 15:37:30,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:30,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615697555] [2022-02-18 15:37:30,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:30,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:31,612 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 15:37:31,612 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:31,612 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615697555] [2022-02-18 15:37:31,612 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615697555] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:31,612 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:31,612 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:31,613 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806045973] [2022-02-18 15:37:31,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:31,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:31,613 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:31,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:31,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:31,613 INFO L87 Difference]: Start difference. First operand 1281 states and 2360 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:32,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:32,380 INFO L93 Difference]: Finished difference Result 1414 states and 2597 transitions. [2022-02-18 15:37:32,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:37:32,381 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:32,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:32,382 INFO L225 Difference]: With dead ends: 1414 [2022-02-18 15:37:32,382 INFO L226 Difference]: Without dead ends: 1414 [2022-02-18 15:37:32,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:37:32,383 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 226 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:32,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 578 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:32,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2022-02-18 15:37:32,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1268. [2022-02-18 15:37:32,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1261 states have (on average 1.850911974623315) internal successors, (2334), 1267 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states 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 15:37:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-02-18 15:37:32,393 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-02-18 15:37:32,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:32,393 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-02-18 15:37:32,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:32,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-02-18 15:37:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:32,394 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:32,395 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, 1, 1, 1] [2022-02-18 15:37:32,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-02-18 15:37:32,395 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:32,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:32,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1659326251, now seen corresponding path program 3 times [2022-02-18 15:37:32,395 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:32,395 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891693406] [2022-02-18 15:37:32,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:32,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:32,740 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 15:37:32,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:32,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891693406] [2022-02-18 15:37:32,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891693406] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:32,740 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:32,740 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:32,740 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349925243] [2022-02-18 15:37:32,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:32,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:32,741 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:32,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:32,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:32,741 INFO L87 Difference]: Start difference. First operand 1268 states and 2334 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:33,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:33,308 INFO L93 Difference]: Finished difference Result 1296 states and 2380 transitions. [2022-02-18 15:37:33,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:33,308 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:33,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:33,310 INFO L225 Difference]: With dead ends: 1296 [2022-02-18 15:37:33,310 INFO L226 Difference]: Without dead ends: 1296 [2022-02-18 15:37:33,310 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 15:37:33,310 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 159 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:33,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 372 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:33,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2022-02-18 15:37:33,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1268. [2022-02-18 15:37:33,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1261 states have (on average 1.850911974623315) internal successors, (2334), 1267 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states 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 15:37:33,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-02-18 15:37:33,320 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-02-18 15:37:33,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:33,320 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-02-18 15:37:33,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-02-18 15:37:33,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:33,321 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:33,321 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, 1, 1, 1] [2022-02-18 15:37:33,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-02-18 15:37:33,321 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:33,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:33,322 INFO L85 PathProgramCache]: Analyzing trace with hash 945597615, now seen corresponding path program 4 times [2022-02-18 15:37:33,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:33,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000461586] [2022-02-18 15:37:33,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:33,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:33,696 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 15:37:33,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:33,697 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000461586] [2022-02-18 15:37:33,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000461586] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:33,697 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:33,697 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:33,697 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362610408] [2022-02-18 15:37:33,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:33,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:33,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:33,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:33,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:33,698 INFO L87 Difference]: Start difference. First operand 1268 states and 2334 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:34,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:34,089 INFO L93 Difference]: Finished difference Result 1308 states and 2400 transitions. [2022-02-18 15:37:34,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:34,089 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:34,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:34,091 INFO L225 Difference]: With dead ends: 1308 [2022-02-18 15:37:34,091 INFO L226 Difference]: Without dead ends: 1308 [2022-02-18 15:37:34,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:34,091 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 147 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:34,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 452 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:34,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-02-18 15:37:34,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1268. [2022-02-18 15:37:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1261 states have (on average 1.850911974623315) internal successors, (2334), 1267 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states 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 15:37:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-02-18 15:37:34,103 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-02-18 15:37:34,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:34,103 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-02-18 15:37:34,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-02-18 15:37:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:34,105 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:34,105 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, 1, 1, 1] [2022-02-18 15:37:34,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-02-18 15:37:34,105 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:34,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:34,106 INFO L85 PathProgramCache]: Analyzing trace with hash 952733367, now seen corresponding path program 5 times [2022-02-18 15:37:34,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:34,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992420546] [2022-02-18 15:37:34,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:34,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:34,413 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 15:37:34,413 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:34,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992420546] [2022-02-18 15:37:34,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992420546] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:34,413 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:34,413 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:34,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767625213] [2022-02-18 15:37:34,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:34,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:34,414 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:34,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:34,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:34,414 INFO L87 Difference]: Start difference. First operand 1268 states and 2334 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:34,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:34,755 INFO L93 Difference]: Finished difference Result 1318 states and 2420 transitions. [2022-02-18 15:37:34,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:34,756 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:34,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:34,757 INFO L225 Difference]: With dead ends: 1318 [2022-02-18 15:37:34,757 INFO L226 Difference]: Without dead ends: 1318 [2022-02-18 15:37:34,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:34,757 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 122 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:34,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 455 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:34,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2022-02-18 15:37:34,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1268. [2022-02-18 15:37:34,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 1261 states have (on average 1.850911974623315) internal successors, (2334), 1267 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states 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 15:37:34,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-02-18 15:37:34,767 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-02-18 15:37:34,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:34,767 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-02-18 15:37:34,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:34,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-02-18 15:37:34,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:34,768 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:34,768 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, 1, 1, 1] [2022-02-18 15:37:34,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-02-18 15:37:34,768 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:34,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:34,769 INFO L85 PathProgramCache]: Analyzing trace with hash 2029248333, now seen corresponding path program 6 times [2022-02-18 15:37:34,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:34,769 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668636721] [2022-02-18 15:37:34,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:34,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:35,067 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 15:37:35,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:35,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668636721] [2022-02-18 15:37:35,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668636721] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:35,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:35,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:35,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17323437] [2022-02-18 15:37:35,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:35,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:35,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:35,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:35,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:35,069 INFO L87 Difference]: Start difference. First operand 1268 states and 2334 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:35,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:35,356 INFO L93 Difference]: Finished difference Result 1307 states and 2402 transitions. [2022-02-18 15:37:35,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:35,356 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:35,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:35,357 INFO L225 Difference]: With dead ends: 1307 [2022-02-18 15:37:35,357 INFO L226 Difference]: Without dead ends: 1307 [2022-02-18 15:37:35,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:35,358 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 116 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:35,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 376 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:37:35,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2022-02-18 15:37:35,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 1247. [2022-02-18 15:37:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1240 states have (on average 1.8516129032258064) internal successors, (2296), 1246 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states 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 15:37:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 2296 transitions. [2022-02-18 15:37:35,367 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 2296 transitions. Word has length 113 [2022-02-18 15:37:35,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:35,367 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 2296 transitions. [2022-02-18 15:37:35,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:35,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2296 transitions. [2022-02-18 15:37:35,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:35,368 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:35,368 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, 1, 1, 1] [2022-02-18 15:37:35,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-02-18 15:37:35,368 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:35,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:35,369 INFO L85 PathProgramCache]: Analyzing trace with hash -814171281, now seen corresponding path program 27 times [2022-02-18 15:37:35,369 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:35,369 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118273196] [2022-02-18 15:37:35,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:35,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:36,211 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 15:37:36,211 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:36,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118273196] [2022-02-18 15:37:36,211 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118273196] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:36,212 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:36,212 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:36,212 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710634447] [2022-02-18 15:37:36,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:36,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:36,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:36,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:36,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:36,212 INFO L87 Difference]: Start difference. First operand 1247 states and 2296 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:36,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:36,837 INFO L93 Difference]: Finished difference Result 1705 states and 3161 transitions. [2022-02-18 15:37:36,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:37:36,837 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:36,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:36,839 INFO L225 Difference]: With dead ends: 1705 [2022-02-18 15:37:36,839 INFO L226 Difference]: Without dead ends: 1705 [2022-02-18 15:37:36,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:37:36,840 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 283 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:36,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 568 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:36,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2022-02-18 15:37:36,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1269. [2022-02-18 15:37:36,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 1262 states have (on average 1.8541996830427891) internal successors, (2340), 1268 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states 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 15:37:36,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 2340 transitions. [2022-02-18 15:37:36,854 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 2340 transitions. Word has length 113 [2022-02-18 15:37:36,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:36,854 INFO L470 AbstractCegarLoop]: Abstraction has 1269 states and 2340 transitions. [2022-02-18 15:37:36,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:36,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 2340 transitions. [2022-02-18 15:37:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:36,855 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:36,855 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, 1, 1, 1] [2022-02-18 15:37:36,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-02-18 15:37:36,855 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:36,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:36,855 INFO L85 PathProgramCache]: Analyzing trace with hash -77199181, now seen corresponding path program 28 times [2022-02-18 15:37:36,855 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:36,856 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330985548] [2022-02-18 15:37:36,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:36,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:37,630 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 15:37:37,630 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:37,630 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330985548] [2022-02-18 15:37:37,630 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330985548] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:37,630 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:37,630 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:37,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439909289] [2022-02-18 15:37:37,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:37,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:37,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:37,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:37,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:37,631 INFO L87 Difference]: Start difference. First operand 1269 states and 2340 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:38,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:38,226 INFO L93 Difference]: Finished difference Result 1735 states and 3213 transitions. [2022-02-18 15:37:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:37:38,226 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:38,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:38,228 INFO L225 Difference]: With dead ends: 1735 [2022-02-18 15:37:38,228 INFO L226 Difference]: Without dead ends: 1735 [2022-02-18 15:37:38,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:37:38,229 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 276 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:38,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 521 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:38,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-02-18 15:37:38,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1257. [2022-02-18 15:37:38,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 1250 states have (on average 1.8528) internal successors, (2316), 1256 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states 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 15:37:38,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 2316 transitions. [2022-02-18 15:37:38,241 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 2316 transitions. Word has length 113 [2022-02-18 15:37:38,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:38,241 INFO L470 AbstractCegarLoop]: Abstraction has 1257 states and 2316 transitions. [2022-02-18 15:37:38,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 2316 transitions. [2022-02-18 15:37:38,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:38,242 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:38,242 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, 1, 1, 1] [2022-02-18 15:37:38,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-02-18 15:37:38,243 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:38,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:38,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1378928111, now seen corresponding path program 29 times [2022-02-18 15:37:38,243 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:38,243 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119924102] [2022-02-18 15:37:38,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:38,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:39,010 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 15:37:39,011 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:39,011 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119924102] [2022-02-18 15:37:39,011 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119924102] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:39,011 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:39,011 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:39,011 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553885338] [2022-02-18 15:37:39,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:39,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:39,011 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:39,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:39,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:39,012 INFO L87 Difference]: Start difference. First operand 1257 states and 2316 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:39,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:39,471 INFO L93 Difference]: Finished difference Result 1755 states and 3253 transitions. [2022-02-18 15:37:39,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:37:39,471 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:39,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:39,473 INFO L225 Difference]: With dead ends: 1755 [2022-02-18 15:37:39,473 INFO L226 Difference]: Without dead ends: 1755 [2022-02-18 15:37:39,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:37:39,474 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 216 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:39,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 484 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:39,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2022-02-18 15:37:39,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1247. [2022-02-18 15:37:39,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1240 states have (on average 1.8516129032258064) internal successors, (2296), 1246 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states 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 15:37:39,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 2296 transitions. [2022-02-18 15:37:39,486 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 2296 transitions. Word has length 113 [2022-02-18 15:37:39,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:39,487 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 2296 transitions. [2022-02-18 15:37:39,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2296 transitions. [2022-02-18 15:37:39,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:39,488 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:39,488 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, 1, 1, 1] [2022-02-18 15:37:39,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-02-18 15:37:39,488 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:39,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:39,488 INFO L85 PathProgramCache]: Analyzing trace with hash -24897997, now seen corresponding path program 30 times [2022-02-18 15:37:39,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:39,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065896715] [2022-02-18 15:37:39,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:39,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:40,184 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 15:37:40,184 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:40,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065896715] [2022-02-18 15:37:40,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065896715] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:40,184 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:40,184 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:40,184 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158782470] [2022-02-18 15:37:40,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:40,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:40,185 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:40,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:40,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:40,185 INFO L87 Difference]: Start difference. First operand 1247 states and 2296 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:40,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:40,610 INFO L93 Difference]: Finished difference Result 1673 states and 3108 transitions. [2022-02-18 15:37:40,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:37:40,610 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:40,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:40,612 INFO L225 Difference]: With dead ends: 1673 [2022-02-18 15:37:40,612 INFO L226 Difference]: Without dead ends: 1673 [2022-02-18 15:37:40,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:37:40,612 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 182 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:40,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 556 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:40,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2022-02-18 15:37:40,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1231. [2022-02-18 15:37:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1224 states have (on average 1.8496732026143792) internal successors, (2264), 1230 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 15:37:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 2264 transitions. [2022-02-18 15:37:40,623 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 2264 transitions. Word has length 113 [2022-02-18 15:37:40,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:40,623 INFO L470 AbstractCegarLoop]: Abstraction has 1231 states and 2264 transitions. [2022-02-18 15:37:40,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:40,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 2264 transitions. [2022-02-18 15:37:40,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:40,625 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:40,625 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, 1, 1, 1] [2022-02-18 15:37:40,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-02-18 15:37:40,625 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:40,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:40,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1094296257, now seen corresponding path program 31 times [2022-02-18 15:37:40,625 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:40,625 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634251941] [2022-02-18 15:37:40,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:40,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:41,527 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 15:37:41,527 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:41,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634251941] [2022-02-18 15:37:41,527 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634251941] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:41,527 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:41,527 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:37:41,527 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916206605] [2022-02-18 15:37:41,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:41,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:37:41,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:41,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:37:41,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:41,528 INFO L87 Difference]: Start difference. First operand 1231 states and 2264 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:42,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:42,299 INFO L93 Difference]: Finished difference Result 1682 states and 3117 transitions. [2022-02-18 15:37:42,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:37:42,299 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:42,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:42,301 INFO L225 Difference]: With dead ends: 1682 [2022-02-18 15:37:42,301 INFO L226 Difference]: Without dead ends: 1682 [2022-02-18 15:37:42,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:37:42,301 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 250 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:42,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 759 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:42,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-02-18 15:37:42,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1239. [2022-02-18 15:37:42,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1232 states have (on average 1.8506493506493507) internal successors, (2280), 1238 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states 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 15:37:42,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2280 transitions. [2022-02-18 15:37:42,311 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2280 transitions. Word has length 113 [2022-02-18 15:37:42,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:42,312 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 2280 transitions. [2022-02-18 15:37:42,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:42,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2280 transitions. [2022-02-18 15:37:42,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:42,313 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:42,313 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, 1, 1, 1] [2022-02-18 15:37:42,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-02-18 15:37:42,313 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:42,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:42,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1831268357, now seen corresponding path program 32 times [2022-02-18 15:37:42,313 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:42,313 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237598604] [2022-02-18 15:37:42,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:42,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:43,586 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 15:37:43,587 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:43,587 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237598604] [2022-02-18 15:37:43,587 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237598604] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:43,587 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:43,587 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:43,587 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971873782] [2022-02-18 15:37:43,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:43,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:43,587 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:43,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:43,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:43,588 INFO L87 Difference]: Start difference. First operand 1239 states and 2280 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:44,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:44,234 INFO L93 Difference]: Finished difference Result 1720 states and 3193 transitions. [2022-02-18 15:37:44,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:37:44,234 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:44,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:44,236 INFO L225 Difference]: With dead ends: 1720 [2022-02-18 15:37:44,236 INFO L226 Difference]: Without dead ends: 1720 [2022-02-18 15:37:44,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=167, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:37:44,237 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 267 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:44,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 514 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:44,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2022-02-18 15:37:44,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1239. [2022-02-18 15:37:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1232 states have (on average 1.8506493506493507) internal successors, (2280), 1238 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states 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 15:37:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2280 transitions. [2022-02-18 15:37:44,254 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2280 transitions. Word has length 113 [2022-02-18 15:37:44,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:44,254 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 2280 transitions. [2022-02-18 15:37:44,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2280 transitions. [2022-02-18 15:37:44,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:44,255 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:44,256 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, 1, 1, 1] [2022-02-18 15:37:44,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-02-18 15:37:44,256 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:44,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:44,256 INFO L85 PathProgramCache]: Analyzing trace with hash 420967865, now seen corresponding path program 33 times [2022-02-18 15:37:44,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:44,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674901103] [2022-02-18 15:37:44,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:44,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:45,144 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 15:37:45,144 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:45,144 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674901103] [2022-02-18 15:37:45,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674901103] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:45,144 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:45,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:37:45,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556380379] [2022-02-18 15:37:45,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:45,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:37:45,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:45,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:37:45,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:45,145 INFO L87 Difference]: Start difference. First operand 1239 states and 2280 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:45,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:45,776 INFO L93 Difference]: Finished difference Result 1678 states and 3119 transitions. [2022-02-18 15:37:45,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:37:45,776 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:45,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:45,778 INFO L225 Difference]: With dead ends: 1678 [2022-02-18 15:37:45,778 INFO L226 Difference]: Without dead ends: 1678 [2022-02-18 15:37:45,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:37:45,778 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 227 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:45,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 511 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:45,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2022-02-18 15:37:45,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1232. [2022-02-18 15:37:45,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1225 states have (on average 1.849795918367347) internal successors, (2266), 1231 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 15:37:45,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 2266 transitions. [2022-02-18 15:37:45,789 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 2266 transitions. Word has length 113 [2022-02-18 15:37:45,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:45,789 INFO L470 AbstractCegarLoop]: Abstraction has 1232 states and 2266 transitions. [2022-02-18 15:37:45,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:45,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 2266 transitions. [2022-02-18 15:37:45,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:45,790 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:45,790 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, 1, 1, 1] [2022-02-18 15:37:45,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-02-18 15:37:45,790 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:45,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:45,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1990288639, now seen corresponding path program 34 times [2022-02-18 15:37:45,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:45,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136106346] [2022-02-18 15:37:45,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:45,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:46,856 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 15:37:46,856 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:46,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136106346] [2022-02-18 15:37:46,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136106346] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:46,856 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:46,856 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:46,857 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584297416] [2022-02-18 15:37:46,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:46,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:46,857 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:46,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:46,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:46,857 INFO L87 Difference]: Start difference. First operand 1232 states and 2266 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:47,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:47,626 INFO L93 Difference]: Finished difference Result 1691 states and 3137 transitions. [2022-02-18 15:37:47,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:37:47,627 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:47,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:47,629 INFO L225 Difference]: With dead ends: 1691 [2022-02-18 15:37:47,629 INFO L226 Difference]: Without dead ends: 1691 [2022-02-18 15:37:47,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:37:47,629 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 264 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:47,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 591 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:47,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2022-02-18 15:37:47,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1232. [2022-02-18 15:37:47,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 1225 states have (on average 1.849795918367347) internal successors, (2266), 1231 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 15:37:47,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 2266 transitions. [2022-02-18 15:37:47,640 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 2266 transitions. Word has length 113 [2022-02-18 15:37:47,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:47,640 INFO L470 AbstractCegarLoop]: Abstraction has 1232 states and 2266 transitions. [2022-02-18 15:37:47,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:47,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 2266 transitions. [2022-02-18 15:37:47,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:47,641 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:47,641 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, 1, 1, 1] [2022-02-18 15:37:47,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-02-18 15:37:47,641 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:47,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:47,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1567706557, now seen corresponding path program 35 times [2022-02-18 15:37:47,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:47,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223125162] [2022-02-18 15:37:47,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:47,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:48,894 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 15:37:48,894 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:48,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223125162] [2022-02-18 15:37:48,895 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223125162] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:48,895 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:48,895 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:48,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669774110] [2022-02-18 15:37:48,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:48,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:48,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:48,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:48,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:48,895 INFO L87 Difference]: Start difference. First operand 1232 states and 2266 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:49,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:49,681 INFO L93 Difference]: Finished difference Result 1664 states and 3092 transitions. [2022-02-18 15:37:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:37:49,681 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:49,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:49,683 INFO L225 Difference]: With dead ends: 1664 [2022-02-18 15:37:49,683 INFO L226 Difference]: Without dead ends: 1664 [2022-02-18 15:37:49,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:37:49,683 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 241 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:49,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 677 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:49,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2022-02-18 15:37:49,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1215. [2022-02-18 15:37:49,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1208 states have (on average 1.8476821192052981) internal successors, (2232), 1214 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states 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 15:37:49,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2232 transitions. [2022-02-18 15:37:49,694 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2232 transitions. Word has length 113 [2022-02-18 15:37:49,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:49,694 INFO L470 AbstractCegarLoop]: Abstraction has 1215 states and 2232 transitions. [2022-02-18 15:37:49,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:49,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2232 transitions. [2022-02-18 15:37:49,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:49,696 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:49,696 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, 1, 1, 1] [2022-02-18 15:37:49,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-02-18 15:37:49,696 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:49,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:49,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1699704471, now seen corresponding path program 36 times [2022-02-18 15:37:49,697 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:49,697 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002230135] [2022-02-18 15:37:49,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:49,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:50,717 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 15:37:50,717 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:50,717 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002230135] [2022-02-18 15:37:50,717 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002230135] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:50,717 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:50,717 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:37:50,717 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093153829] [2022-02-18 15:37:50,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:50,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:37:50,718 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:50,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:37:50,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:37:50,718 INFO L87 Difference]: Start difference. First operand 1215 states and 2232 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:51,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:51,532 INFO L93 Difference]: Finished difference Result 1583 states and 2939 transitions. [2022-02-18 15:37:51,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:37:51,532 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:51,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:51,534 INFO L225 Difference]: With dead ends: 1583 [2022-02-18 15:37:51,534 INFO L226 Difference]: Without dead ends: 1583 [2022-02-18 15:37:51,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=132, Invalid=210, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:51,535 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 246 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:51,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 546 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:37:51,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-02-18 15:37:51,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1199. [2022-02-18 15:37:51,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1199 states, 1192 states have (on average 1.8456375838926173) internal successors, (2200), 1198 states have internal predecessors, (2200), 0 states have call successors, (0), 0 states 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 15:37:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 2200 transitions. [2022-02-18 15:37:51,557 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 2200 transitions. Word has length 113 [2022-02-18 15:37:51,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:51,558 INFO L470 AbstractCegarLoop]: Abstraction has 1199 states and 2200 transitions. [2022-02-18 15:37:51,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 2200 transitions. [2022-02-18 15:37:51,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:51,559 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:51,559 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, 1, 1, 1] [2022-02-18 15:37:51,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-02-18 15:37:51,559 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:51,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:51,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1480483601, now seen corresponding path program 23 times [2022-02-18 15:37:51,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:51,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606430265] [2022-02-18 15:37:51,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:51,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:51,876 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 15:37:51,876 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:51,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606430265] [2022-02-18 15:37:51,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606430265] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:51,877 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:51,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:51,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004990616] [2022-02-18 15:37:51,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:51,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:51,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:51,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:51,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:51,878 INFO L87 Difference]: Start difference. First operand 1199 states and 2200 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:52,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:52,217 INFO L93 Difference]: Finished difference Result 1284 states and 2350 transitions. [2022-02-18 15:37:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:52,218 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:52,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:52,219 INFO L225 Difference]: With dead ends: 1284 [2022-02-18 15:37:52,219 INFO L226 Difference]: Without dead ends: 1284 [2022-02-18 15:37:52,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:52,220 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 116 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:52,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 436 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:52,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2022-02-18 15:37:52,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1193. [2022-02-18 15:37:52,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 1186 states have (on average 1.8448566610455313) internal successors, (2188), 1192 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states 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 15:37:52,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 2188 transitions. [2022-02-18 15:37:52,229 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 2188 transitions. Word has length 113 [2022-02-18 15:37:52,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:52,229 INFO L470 AbstractCegarLoop]: Abstraction has 1193 states and 2188 transitions. [2022-02-18 15:37:52,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:52,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 2188 transitions. [2022-02-18 15:37:52,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:52,230 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:52,230 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, 1, 1, 1] [2022-02-18 15:37:52,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-02-18 15:37:52,230 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:52,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:52,230 INFO L85 PathProgramCache]: Analyzing trace with hash 364668245, now seen corresponding path program 24 times [2022-02-18 15:37:52,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:52,230 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831776641] [2022-02-18 15:37:52,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:52,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:52,828 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 15:37:52,828 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:52,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831776641] [2022-02-18 15:37:52,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831776641] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:52,828 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:52,829 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:52,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144108019] [2022-02-18 15:37:52,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:52,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:52,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:52,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:52,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:52,829 INFO L87 Difference]: Start difference. First operand 1193 states and 2188 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:53,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:53,985 INFO L93 Difference]: Finished difference Result 1999 states and 3698 transitions. [2022-02-18 15:37:53,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 15:37:53,985 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:53,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:53,987 INFO L225 Difference]: With dead ends: 1999 [2022-02-18 15:37:53,987 INFO L226 Difference]: Without dead ends: 1999 [2022-02-18 15:37:53,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=325, Invalid=1157, Unknown=0, NotChecked=0, Total=1482 [2022-02-18 15:37:53,988 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 771 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:53,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 765 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:37:53,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2022-02-18 15:37:53,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1185. [2022-02-18 15:37:53,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1185 states, 1178 states have (on average 1.8438030560271648) internal successors, (2172), 1184 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states 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 15:37:53,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 2172 transitions. [2022-02-18 15:37:53,999 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 2172 transitions. Word has length 113 [2022-02-18 15:37:53,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:53,999 INFO L470 AbstractCegarLoop]: Abstraction has 1185 states and 2172 transitions. [2022-02-18 15:37:53,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:53,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2172 transitions. [2022-02-18 15:37:54,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:54,000 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:54,000 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, 1, 1, 1] [2022-02-18 15:37:54,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-02-18 15:37:54,000 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:54,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:54,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1122763947, now seen corresponding path program 25 times [2022-02-18 15:37:54,001 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:54,001 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474952820] [2022-02-18 15:37:54,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:54,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:54,473 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 15:37:54,473 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:54,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474952820] [2022-02-18 15:37:54,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474952820] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:54,473 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:54,473 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:54,473 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949655267] [2022-02-18 15:37:54,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:54,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:54,473 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:54,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:54,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:54,474 INFO L87 Difference]: Start difference. First operand 1185 states and 2172 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:54,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:54,879 INFO L93 Difference]: Finished difference Result 1251 states and 2280 transitions. [2022-02-18 15:37:54,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:37:54,880 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:54,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:54,881 INFO L225 Difference]: With dead ends: 1251 [2022-02-18 15:37:54,881 INFO L226 Difference]: Without dead ends: 1251 [2022-02-18 15:37:54,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:37:54,881 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 169 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:54,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 383 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:37:54,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2022-02-18 15:37:54,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1184. [2022-02-18 15:37:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1177 states have (on average 1.844519966015293) internal successors, (2171), 1183 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states 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 15:37:54,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2171 transitions. [2022-02-18 15:37:54,891 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2171 transitions. Word has length 113 [2022-02-18 15:37:54,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:54,891 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2171 transitions. [2022-02-18 15:37:54,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2171 transitions. [2022-02-18 15:37:54,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-02-18 15:37:54,892 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:54,892 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, 1, 1, 1] [2022-02-18 15:37:54,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-02-18 15:37:54,892 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:54,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:54,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1007920087, now seen corresponding path program 26 times [2022-02-18 15:37:54,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:54,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204568983] [2022-02-18 15:37:54,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:54,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:55,593 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 15:37:55,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:55,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204568983] [2022-02-18 15:37:55,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204568983] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:55,594 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:55,594 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:37:55,594 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887882943] [2022-02-18 15:37:55,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:55,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:37:55,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:55,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:37:55,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:37:55,595 INFO L87 Difference]: Start difference. First operand 1184 states and 2171 transitions. Second operand has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:57,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:57,097 INFO L93 Difference]: Finished difference Result 1981 states and 3662 transitions. [2022-02-18 15:37:57,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 15:37:57,097 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 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 113 [2022-02-18 15:37:57,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:57,100 INFO L225 Difference]: With dead ends: 1981 [2022-02-18 15:37:57,100 INFO L226 Difference]: Without dead ends: 1981 [2022-02-18 15:37:57,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=346, Invalid=1214, Unknown=0, NotChecked=0, Total=1560 [2022-02-18 15:37:57,100 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 740 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:57,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [740 Valid, 1117 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1532 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-18 15:37:57,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2022-02-18 15:37:57,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1158. [2022-02-18 15:37:57,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1151 states have (on average 1.847089487402259) internal successors, (2126), 1157 states have internal predecessors, (2126), 0 states have call successors, (0), 0 states 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 15:37:57,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 2126 transitions. [2022-02-18 15:37:57,111 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 2126 transitions. Word has length 113 [2022-02-18 15:37:57,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:57,112 INFO L470 AbstractCegarLoop]: Abstraction has 1158 states and 2126 transitions. [2022-02-18 15:37:57,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 0 states have call successors, (0), 0 states 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 15:37:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 2126 transitions. [2022-02-18 15:37:57,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:37:57,113 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:57,113 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, 1, 1, 1, 1] [2022-02-18 15:37:57,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-02-18 15:37:57,113 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:57,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:57,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1897626067, now seen corresponding path program 1 times [2022-02-18 15:37:57,113 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:57,113 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512518105] [2022-02-18 15:37:57,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:57,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:57,503 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 15:37:57,503 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:57,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512518105] [2022-02-18 15:37:57,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512518105] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:57,503 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:57,503 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:57,504 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133265473] [2022-02-18 15:37:57,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:57,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:57,504 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:57,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:57,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:57,504 INFO L87 Difference]: Start difference. First operand 1158 states and 2126 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:37:57,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:57,968 INFO L93 Difference]: Finished difference Result 2040 states and 3774 transitions. [2022-02-18 15:37:57,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:37:57,968 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:37:57,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:57,970 INFO L225 Difference]: With dead ends: 2040 [2022-02-18 15:37:57,970 INFO L226 Difference]: Without dead ends: 2040 [2022-02-18 15:37:57,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:37:57,971 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 239 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:57,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 544 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:57,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2022-02-18 15:37:57,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 1255. [2022-02-18 15:37:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1248 states have (on average 1.858974358974359) internal successors, (2320), 1254 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states 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 15:37:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 2320 transitions. [2022-02-18 15:37:57,985 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 2320 transitions. Word has length 114 [2022-02-18 15:37:57,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:57,985 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 2320 transitions. [2022-02-18 15:37:57,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:37:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2320 transitions. [2022-02-18 15:37:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:37:57,986 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:57,987 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, 1, 1, 1, 1] [2022-02-18 15:37:57,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-02-18 15:37:57,987 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:57,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:57,987 INFO L85 PathProgramCache]: Analyzing trace with hash -906945106, now seen corresponding path program 1 times [2022-02-18 15:37:57,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:57,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781669969] [2022-02-18 15:37:57,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:57,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:58,251 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 15:37:58,251 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:58,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781669969] [2022-02-18 15:37:58,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781669969] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:58,251 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:58,252 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:58,252 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132016319] [2022-02-18 15:37:58,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:58,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:58,252 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:58,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:58,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:58,252 INFO L87 Difference]: Start difference. First operand 1255 states and 2320 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:37:58,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:58,678 INFO L93 Difference]: Finished difference Result 2013 states and 3723 transitions. [2022-02-18 15:37:58,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:58,679 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:37:58,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:58,681 INFO L225 Difference]: With dead ends: 2013 [2022-02-18 15:37:58,681 INFO L226 Difference]: Without dead ends: 2013 [2022-02-18 15:37:58,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:37:58,681 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 226 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:58,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 466 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:58,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2022-02-18 15:37:58,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1537. [2022-02-18 15:37:58,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1530 states have (on average 1.8862745098039215) internal successors, (2886), 1536 states have internal predecessors, (2886), 0 states have call successors, (0), 0 states 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 15:37:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2886 transitions. [2022-02-18 15:37:58,695 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2886 transitions. Word has length 114 [2022-02-18 15:37:58,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:58,695 INFO L470 AbstractCegarLoop]: Abstraction has 1537 states and 2886 transitions. [2022-02-18 15:37:58,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:37:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2886 transitions. [2022-02-18 15:37:58,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:37:58,697 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:58,697 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, 1, 1, 1, 1] [2022-02-18 15:37:58,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-02-18 15:37:58,697 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:58,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:58,697 INFO L85 PathProgramCache]: Analyzing trace with hash 2094172360, now seen corresponding path program 2 times [2022-02-18 15:37:58,697 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:58,697 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478761890] [2022-02-18 15:37:58,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:58,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:37:59,032 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 15:37:59,033 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:37:59,033 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478761890] [2022-02-18 15:37:59,033 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478761890] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:37:59,033 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:37:59,033 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:37:59,033 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391272594] [2022-02-18 15:37:59,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:37:59,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:37:59,034 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:37:59,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:37:59,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:37:59,034 INFO L87 Difference]: Start difference. First operand 1537 states and 2886 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:37:59,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:37:59,497 INFO L93 Difference]: Finished difference Result 1999 states and 3695 transitions. [2022-02-18 15:37:59,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:37:59,498 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:37:59,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:37:59,500 INFO L225 Difference]: With dead ends: 1999 [2022-02-18 15:37:59,500 INFO L226 Difference]: Without dead ends: 1999 [2022-02-18 15:37:59,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:37:59,500 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 235 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:37:59,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 521 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:37:59,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2022-02-18 15:37:59,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1549. [2022-02-18 15:37:59,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1549 states, 1542 states have (on average 1.880674448767834) internal successors, (2900), 1548 states have internal predecessors, (2900), 0 states have call successors, (0), 0 states 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 15:37:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2900 transitions. [2022-02-18 15:37:59,514 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2900 transitions. Word has length 114 [2022-02-18 15:37:59,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:37:59,514 INFO L470 AbstractCegarLoop]: Abstraction has 1549 states and 2900 transitions. [2022-02-18 15:37:59,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:37:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2900 transitions. [2022-02-18 15:37:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:37:59,515 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:37:59,515 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, 1, 1, 1, 1] [2022-02-18 15:37:59,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-02-18 15:37:59,515 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:37:59,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:37:59,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1898103903, now seen corresponding path program 1 times [2022-02-18 15:37:59,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:37:59,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787566937] [2022-02-18 15:37:59,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:37:59,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:37:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:00,298 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 15:38:00,299 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:00,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787566937] [2022-02-18 15:38:00,299 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787566937] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:00,299 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:00,299 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:38:00,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879110060] [2022-02-18 15:38:00,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:00,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:38:00,299 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:00,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:38:00,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:00,300 INFO L87 Difference]: Start difference. First operand 1549 states and 2900 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:00,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:00,885 INFO L93 Difference]: Finished difference Result 1971 states and 3644 transitions. [2022-02-18 15:38:00,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:38:00,886 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:00,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:00,889 INFO L225 Difference]: With dead ends: 1971 [2022-02-18 15:38:00,889 INFO L226 Difference]: Without dead ends: 1927 [2022-02-18 15:38:00,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:38:00,889 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 278 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:00,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 666 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:00,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2022-02-18 15:38:00,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1532. [2022-02-18 15:38:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1525 states have (on average 1.8773770491803279) internal successors, (2863), 1531 states have internal predecessors, (2863), 0 states have call successors, (0), 0 states 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 15:38:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2863 transitions. [2022-02-18 15:38:00,904 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2863 transitions. Word has length 114 [2022-02-18 15:38:00,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:00,904 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 2863 transitions. [2022-02-18 15:38:00,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:00,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2863 transitions. [2022-02-18 15:38:00,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:00,905 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:00,905 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, 1, 1, 1, 1] [2022-02-18 15:38:00,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-02-18 15:38:00,905 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:00,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:00,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1653358524, now seen corresponding path program 1 times [2022-02-18 15:38:00,906 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:00,906 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22847456] [2022-02-18 15:38:00,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:00,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:01,005 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 15:38:01,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:01,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22847456] [2022-02-18 15:38:01,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22847456] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:01,005 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:01,005 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 15:38:01,005 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517700709] [2022-02-18 15:38:01,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:01,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 15:38:01,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:01,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 15:38:01,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-18 15:38:01,006 INFO L87 Difference]: Start difference. First operand 1532 states and 2863 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:01,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:01,224 INFO L93 Difference]: Finished difference Result 1600 states and 2990 transitions. [2022-02-18 15:38:01,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:01,224 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:01,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:01,227 INFO L225 Difference]: With dead ends: 1600 [2022-02-18 15:38:01,227 INFO L226 Difference]: Without dead ends: 1600 [2022-02-18 15:38:01,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:01,227 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 170 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:01,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 397 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:01,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2022-02-18 15:38:01,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1534. [2022-02-18 15:38:01,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1527 states have (on average 1.8775376555337262) internal successors, (2867), 1533 states have internal predecessors, (2867), 0 states have call successors, (0), 0 states 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 15:38:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2867 transitions. [2022-02-18 15:38:01,243 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2867 transitions. Word has length 114 [2022-02-18 15:38:01,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:01,243 INFO L470 AbstractCegarLoop]: Abstraction has 1534 states and 2867 transitions. [2022-02-18 15:38:01,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:01,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2867 transitions. [2022-02-18 15:38:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:01,245 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:01,245 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, 1, 1, 1, 1] [2022-02-18 15:38:01,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-02-18 15:38:01,245 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:01,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:01,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1567825494, now seen corresponding path program 2 times [2022-02-18 15:38:01,246 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:01,246 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144713560] [2022-02-18 15:38:01,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:01,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:01,553 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 15:38:01,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:01,553 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144713560] [2022-02-18 15:38:01,553 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144713560] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:01,553 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:01,553 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:01,553 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662203883] [2022-02-18 15:38:01,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:01,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:01,553 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:01,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:01,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:01,554 INFO L87 Difference]: Start difference. First operand 1534 states and 2867 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:01,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:01,979 INFO L93 Difference]: Finished difference Result 1900 states and 3502 transitions. [2022-02-18 15:38:01,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:01,980 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:01,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:01,982 INFO L225 Difference]: With dead ends: 1900 [2022-02-18 15:38:01,982 INFO L226 Difference]: Without dead ends: 1900 [2022-02-18 15:38:01,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:01,983 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 195 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:01,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 534 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:01,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2022-02-18 15:38:01,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1581. [2022-02-18 15:38:01,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1574 states have (on average 1.880559085133418) internal successors, (2960), 1580 states have internal predecessors, (2960), 0 states have call successors, (0), 0 states 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 15:38:02,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2960 transitions. [2022-02-18 15:38:02,010 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2960 transitions. Word has length 114 [2022-02-18 15:38:02,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:02,010 INFO L470 AbstractCegarLoop]: Abstraction has 1581 states and 2960 transitions. [2022-02-18 15:38:02,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:02,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2960 transitions. [2022-02-18 15:38:02,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:02,011 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:02,011 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, 1, 1, 1, 1] [2022-02-18 15:38:02,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-02-18 15:38:02,012 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:02,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:02,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1271331244, now seen corresponding path program 3 times [2022-02-18 15:38:02,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:02,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433338234] [2022-02-18 15:38:02,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:02,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:02,400 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 15:38:02,400 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:02,401 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433338234] [2022-02-18 15:38:02,401 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433338234] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:02,401 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:02,401 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:02,401 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766603406] [2022-02-18 15:38:02,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:02,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:02,401 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:02,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:02,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:02,401 INFO L87 Difference]: Start difference. First operand 1581 states and 2960 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:02,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:02,837 INFO L93 Difference]: Finished difference Result 1887 states and 3477 transitions. [2022-02-18 15:38:02,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:02,838 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:02,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:02,841 INFO L225 Difference]: With dead ends: 1887 [2022-02-18 15:38:02,841 INFO L226 Difference]: Without dead ends: 1887 [2022-02-18 15:38:02,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:02,841 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 224 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:02,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 468 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:02,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2022-02-18 15:38:02,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1593. [2022-02-18 15:38:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1586 states have (on average 1.8738965952080706) internal successors, (2972), 1592 states have internal predecessors, (2972), 0 states have call successors, (0), 0 states 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 15:38:02,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2972 transitions. [2022-02-18 15:38:02,855 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2972 transitions. Word has length 114 [2022-02-18 15:38:02,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:02,855 INFO L470 AbstractCegarLoop]: Abstraction has 1593 states and 2972 transitions. [2022-02-18 15:38:02,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2972 transitions. [2022-02-18 15:38:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:02,858 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:02,858 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, 1, 1, 1, 1] [2022-02-18 15:38:02,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-02-18 15:38:02,859 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:02,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:02,859 INFO L85 PathProgramCache]: Analyzing trace with hash -2040526519, now seen corresponding path program 2 times [2022-02-18 15:38:02,859 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:02,859 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684079854] [2022-02-18 15:38:02,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:02,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:03,502 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 15:38:03,503 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:03,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684079854] [2022-02-18 15:38:03,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684079854] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:03,503 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:03,503 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:03,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841284870] [2022-02-18 15:38:03,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:03,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:03,503 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:03,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:03,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:03,504 INFO L87 Difference]: Start difference. First operand 1593 states and 2972 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:04,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:04,089 INFO L93 Difference]: Finished difference Result 2236 states and 4164 transitions. [2022-02-18 15:38:04,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:04,089 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:04,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:04,092 INFO L225 Difference]: With dead ends: 2236 [2022-02-18 15:38:04,092 INFO L226 Difference]: Without dead ends: 2208 [2022-02-18 15:38:04,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:04,093 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 282 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:04,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 583 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:04,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2022-02-18 15:38:04,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 1669. [2022-02-18 15:38:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1662 states have (on average 1.878459687123947) internal successors, (3122), 1668 states have internal predecessors, (3122), 0 states have call successors, (0), 0 states 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 15:38:04,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 3122 transitions. [2022-02-18 15:38:04,107 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 3122 transitions. Word has length 114 [2022-02-18 15:38:04,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:04,108 INFO L470 AbstractCegarLoop]: Abstraction has 1669 states and 3122 transitions. [2022-02-18 15:38:04,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:04,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 3122 transitions. [2022-02-18 15:38:04,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:04,109 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:04,109 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, 1, 1, 1, 1] [2022-02-18 15:38:04,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-02-18 15:38:04,109 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:04,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:04,109 INFO L85 PathProgramCache]: Analyzing trace with hash -83906309, now seen corresponding path program 3 times [2022-02-18 15:38:04,109 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:04,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234306434] [2022-02-18 15:38:04,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:04,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:04,900 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 15:38:04,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:04,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234306434] [2022-02-18 15:38:04,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234306434] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:04,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:04,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:04,901 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688789227] [2022-02-18 15:38:04,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:04,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:04,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:04,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:04,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:04,901 INFO L87 Difference]: Start difference. First operand 1669 states and 3122 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:05,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:05,544 INFO L93 Difference]: Finished difference Result 2251 states and 4194 transitions. [2022-02-18 15:38:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:05,545 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:05,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:05,548 INFO L225 Difference]: With dead ends: 2251 [2022-02-18 15:38:05,548 INFO L226 Difference]: Without dead ends: 2230 [2022-02-18 15:38:05,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:05,549 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 256 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:05,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 619 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:05,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2022-02-18 15:38:05,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 1670. [2022-02-18 15:38:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1663 states have (on average 1.878532772098617) internal successors, (3124), 1669 states have internal predecessors, (3124), 0 states have call successors, (0), 0 states 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 15:38:05,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 3124 transitions. [2022-02-18 15:38:05,565 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 3124 transitions. Word has length 114 [2022-02-18 15:38:05,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:05,565 INFO L470 AbstractCegarLoop]: Abstraction has 1670 states and 3124 transitions. [2022-02-18 15:38:05,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:05,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 3124 transitions. [2022-02-18 15:38:05,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:05,566 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:05,566 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, 1, 1, 1, 1] [2022-02-18 15:38:05,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-02-18 15:38:05,566 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:05,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:05,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1922053757, now seen corresponding path program 4 times [2022-02-18 15:38:05,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:05,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372294321] [2022-02-18 15:38:05,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:05,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:06,403 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 15:38:06,403 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:06,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372294321] [2022-02-18 15:38:06,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372294321] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:06,403 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:06,403 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:06,403 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462146761] [2022-02-18 15:38:06,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:06,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:06,404 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:06,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:06,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:06,404 INFO L87 Difference]: Start difference. First operand 1670 states and 3124 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:07,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:07,037 INFO L93 Difference]: Finished difference Result 2168 states and 4030 transitions. [2022-02-18 15:38:07,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:07,038 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:07,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:07,041 INFO L225 Difference]: With dead ends: 2168 [2022-02-18 15:38:07,041 INFO L226 Difference]: Without dead ends: 2154 [2022-02-18 15:38:07,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:07,041 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 264 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:07,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 521 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:07,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-02-18 15:38:07,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1671. [2022-02-18 15:38:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1664 states have (on average 1.8786057692307692) internal successors, (3126), 1670 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states 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 15:38:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 3126 transitions. [2022-02-18 15:38:07,057 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 3126 transitions. Word has length 114 [2022-02-18 15:38:07,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:07,057 INFO L470 AbstractCegarLoop]: Abstraction has 1671 states and 3126 transitions. [2022-02-18 15:38:07,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 3126 transitions. [2022-02-18 15:38:07,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:07,058 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:07,058 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, 1, 1, 1, 1] [2022-02-18 15:38:07,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-02-18 15:38:07,058 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:07,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:07,058 INFO L85 PathProgramCache]: Analyzing trace with hash 115756892, now seen corresponding path program 4 times [2022-02-18 15:38:07,059 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:07,059 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872040188] [2022-02-18 15:38:07,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:07,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:07,243 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 15:38:07,243 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:07,243 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872040188] [2022-02-18 15:38:07,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872040188] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:07,243 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:07,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:07,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105762659] [2022-02-18 15:38:07,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:07,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:07,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:07,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:07,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:07,244 INFO L87 Difference]: Start difference. First operand 1671 states and 3126 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:07,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:07,974 INFO L93 Difference]: Finished difference Result 1951 states and 3627 transitions. [2022-02-18 15:38:07,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:38:07,974 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:07,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:07,977 INFO L225 Difference]: With dead ends: 1951 [2022-02-18 15:38:07,977 INFO L226 Difference]: Without dead ends: 1951 [2022-02-18 15:38:07,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2022-02-18 15:38:07,977 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 267 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:07,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 841 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:38:07,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2022-02-18 15:38:08,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1671. [2022-02-18 15:38:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1664 states have (on average 1.8786057692307692) internal successors, (3126), 1670 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states 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 15:38:08,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 3126 transitions. [2022-02-18 15:38:08,003 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 3126 transitions. Word has length 114 [2022-02-18 15:38:08,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:08,003 INFO L470 AbstractCegarLoop]: Abstraction has 1671 states and 3126 transitions. [2022-02-18 15:38:08,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 3126 transitions. [2022-02-18 15:38:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:08,004 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:08,005 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, 1, 1, 1, 1] [2022-02-18 15:38:08,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-02-18 15:38:08,005 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:08,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:08,006 INFO L85 PathProgramCache]: Analyzing trace with hash 30223862, now seen corresponding path program 5 times [2022-02-18 15:38:08,006 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:08,006 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417650347] [2022-02-18 15:38:08,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:08,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:08,336 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 15:38:08,336 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:08,336 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417650347] [2022-02-18 15:38:08,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417650347] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:08,336 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:08,336 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:08,336 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416347947] [2022-02-18 15:38:08,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:08,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:08,336 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:08,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:08,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:08,337 INFO L87 Difference]: Start difference. First operand 1671 states and 3126 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:08,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:08,791 INFO L93 Difference]: Finished difference Result 1973 states and 3656 transitions. [2022-02-18 15:38:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:08,791 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:08,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:08,794 INFO L225 Difference]: With dead ends: 1973 [2022-02-18 15:38:08,794 INFO L226 Difference]: Without dead ends: 1973 [2022-02-18 15:38:08,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:08,794 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 152 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:08,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 551 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:08,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2022-02-18 15:38:08,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1690. [2022-02-18 15:38:08,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1683 states have (on average 1.8799762329174095) internal successors, (3164), 1689 states have internal predecessors, (3164), 0 states have call successors, (0), 0 states 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 15:38:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 3164 transitions. [2022-02-18 15:38:08,809 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 3164 transitions. Word has length 114 [2022-02-18 15:38:08,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:08,810 INFO L470 AbstractCegarLoop]: Abstraction has 1690 states and 3164 transitions. [2022-02-18 15:38:08,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 3164 transitions. [2022-02-18 15:38:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:08,811 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:08,811 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, 1, 1, 1, 1] [2022-02-18 15:38:08,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-02-18 15:38:08,811 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:08,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:08,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1702295418, now seen corresponding path program 6 times [2022-02-18 15:38:08,812 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:08,812 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803894656] [2022-02-18 15:38:08,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:08,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:09,209 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 15:38:09,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:09,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803894656] [2022-02-18 15:38:09,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803894656] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:09,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:09,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:09,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137812581] [2022-02-18 15:38:09,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:09,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:09,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:09,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:09,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:09,210 INFO L87 Difference]: Start difference. First operand 1690 states and 3164 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:09,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:09,732 INFO L93 Difference]: Finished difference Result 1968 states and 3647 transitions. [2022-02-18 15:38:09,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:09,732 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:09,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:09,734 INFO L225 Difference]: With dead ends: 1968 [2022-02-18 15:38:09,735 INFO L226 Difference]: Without dead ends: 1968 [2022-02-18 15:38:09,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:09,735 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 148 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:09,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 627 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:09,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2022-02-18 15:38:09,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1672. [2022-02-18 15:38:09,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1665 states have (on average 1.8786786786786787) internal successors, (3128), 1671 states have internal predecessors, (3128), 0 states have call successors, (0), 0 states 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 15:38:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 3128 transitions. [2022-02-18 15:38:09,749 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 3128 transitions. Word has length 114 [2022-02-18 15:38:09,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:09,749 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 3128 transitions. [2022-02-18 15:38:09,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 3128 transitions. [2022-02-18 15:38:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:09,750 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:09,750 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, 1, 1, 1, 1] [2022-02-18 15:38:09,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-02-18 15:38:09,750 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:09,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:09,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1227539500, now seen corresponding path program 7 times [2022-02-18 15:38:09,751 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:09,751 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040200853] [2022-02-18 15:38:09,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:09,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:10,249 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 15:38:10,249 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:10,249 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040200853] [2022-02-18 15:38:10,249 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040200853] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:10,249 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:10,249 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:10,249 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530723896] [2022-02-18 15:38:10,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:10,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:10,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:10,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:10,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:10,250 INFO L87 Difference]: Start difference. First operand 1672 states and 3128 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:10,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:10,763 INFO L93 Difference]: Finished difference Result 1950 states and 3613 transitions. [2022-02-18 15:38:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:10,763 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:10,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:10,766 INFO L225 Difference]: With dead ends: 1950 [2022-02-18 15:38:10,766 INFO L226 Difference]: Without dead ends: 1950 [2022-02-18 15:38:10,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:10,766 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 165 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:10,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 455 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:10,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2022-02-18 15:38:10,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1673. [2022-02-18 15:38:10,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 1666 states have (on average 1.87875150060024) internal successors, (3130), 1672 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states 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 15:38:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 3130 transitions. [2022-02-18 15:38:10,780 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 3130 transitions. Word has length 114 [2022-02-18 15:38:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:10,781 INFO L470 AbstractCegarLoop]: Abstraction has 1673 states and 3130 transitions. [2022-02-18 15:38:10,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:10,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 3130 transitions. [2022-02-18 15:38:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:10,782 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:10,782 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, 1, 1, 1, 1] [2022-02-18 15:38:10,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-02-18 15:38:10,782 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:10,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:10,782 INFO L85 PathProgramCache]: Analyzing trace with hash -93297196, now seen corresponding path program 8 times [2022-02-18 15:38:10,783 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:10,783 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73659830] [2022-02-18 15:38:10,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:10,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:11,391 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 15:38:11,391 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:11,391 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73659830] [2022-02-18 15:38:11,391 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73659830] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:11,391 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:11,391 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:11,391 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571952276] [2022-02-18 15:38:11,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:11,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:11,392 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:11,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:11,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:11,392 INFO L87 Difference]: Start difference. First operand 1673 states and 3130 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:12,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:12,043 INFO L93 Difference]: Finished difference Result 1938 states and 3585 transitions. [2022-02-18 15:38:12,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:12,044 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:12,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:12,046 INFO L225 Difference]: With dead ends: 1938 [2022-02-18 15:38:12,046 INFO L226 Difference]: Without dead ends: 1938 [2022-02-18 15:38:12,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:12,047 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 171 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:12,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 536 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:12,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2022-02-18 15:38:12,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1675. [2022-02-18 15:38:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1668 states have (on average 1.8782973621103118) internal successors, (3133), 1674 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states 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 15:38:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 3133 transitions. [2022-02-18 15:38:12,062 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 3133 transitions. Word has length 114 [2022-02-18 15:38:12,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:12,062 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 3133 transitions. [2022-02-18 15:38:12,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3133 transitions. [2022-02-18 15:38:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:12,063 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:12,063 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, 1, 1, 1, 1] [2022-02-18 15:38:12,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-02-18 15:38:12,063 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:12,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:12,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1533398418, now seen corresponding path program 9 times [2022-02-18 15:38:12,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:12,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342213961] [2022-02-18 15:38:12,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:12,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:12,761 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 15:38:12,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:12,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342213961] [2022-02-18 15:38:12,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342213961] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:12,761 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:12,762 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:12,762 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239734976] [2022-02-18 15:38:12,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:12,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:12,762 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:12,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:12,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:12,763 INFO L87 Difference]: Start difference. First operand 1675 states and 3133 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:13,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:13,425 INFO L93 Difference]: Finished difference Result 1933 states and 3579 transitions. [2022-02-18 15:38:13,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:13,426 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:13,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:13,428 INFO L225 Difference]: With dead ends: 1933 [2022-02-18 15:38:13,428 INFO L226 Difference]: Without dead ends: 1933 [2022-02-18 15:38:13,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:13,429 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 167 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:13,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 613 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:13,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2022-02-18 15:38:13,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1675. [2022-02-18 15:38:13,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1668 states have (on average 1.8782973621103118) internal successors, (3133), 1674 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states 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 15:38:13,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 3133 transitions. [2022-02-18 15:38:13,443 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 3133 transitions. Word has length 114 [2022-02-18 15:38:13,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:13,443 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 3133 transitions. [2022-02-18 15:38:13,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:13,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3133 transitions. [2022-02-18 15:38:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:13,444 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:13,444 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, 1, 1, 1, 1] [2022-02-18 15:38:13,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-02-18 15:38:13,445 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:13,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:13,445 INFO L85 PathProgramCache]: Analyzing trace with hash 211158013, now seen corresponding path program 5 times [2022-02-18 15:38:13,445 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:13,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242692377] [2022-02-18 15:38:13,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:13,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:13,982 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 15:38:13,982 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:13,982 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242692377] [2022-02-18 15:38:13,982 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242692377] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:13,982 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:13,982 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:13,982 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858348929] [2022-02-18 15:38:13,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:13,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:13,982 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:13,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:13,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:13,983 INFO L87 Difference]: Start difference. First operand 1675 states and 3133 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:14,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:14,615 INFO L93 Difference]: Finished difference Result 1997 states and 3730 transitions. [2022-02-18 15:38:14,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:14,615 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:14,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:14,618 INFO L225 Difference]: With dead ends: 1997 [2022-02-18 15:38:14,618 INFO L226 Difference]: Without dead ends: 1969 [2022-02-18 15:38:14,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:14,618 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 205 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:14,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 717 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:14,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-02-18 15:38:14,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1639. [2022-02-18 15:38:14,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1632 states have (on average 1.8756127450980393) internal successors, (3061), 1638 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states 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 15:38:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 3061 transitions. [2022-02-18 15:38:14,631 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 3061 transitions. Word has length 114 [2022-02-18 15:38:14,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:14,631 INFO L470 AbstractCegarLoop]: Abstraction has 1639 states and 3061 transitions. [2022-02-18 15:38:14,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:14,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 3061 transitions. [2022-02-18 15:38:14,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:14,633 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:14,633 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, 1, 1, 1, 1] [2022-02-18 15:38:14,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-02-18 15:38:14,633 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:14,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:14,633 INFO L85 PathProgramCache]: Analyzing trace with hash -121229007, now seen corresponding path program 6 times [2022-02-18 15:38:14,633 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:14,634 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77241615] [2022-02-18 15:38:14,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:14,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:15,375 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 15:38:15,375 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:15,375 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77241615] [2022-02-18 15:38:15,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77241615] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:15,376 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:15,376 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:15,376 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589777582] [2022-02-18 15:38:15,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:15,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:15,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:15,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:15,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:15,376 INFO L87 Difference]: Start difference. First operand 1639 states and 3061 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:16,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:16,256 INFO L93 Difference]: Finished difference Result 2220 states and 4146 transitions. [2022-02-18 15:38:16,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:38:16,257 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:16,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:16,260 INFO L225 Difference]: With dead ends: 2220 [2022-02-18 15:38:16,260 INFO L226 Difference]: Without dead ends: 2206 [2022-02-18 15:38:16,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-02-18 15:38:16,260 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 227 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:16,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 728 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:38:16,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2022-02-18 15:38:16,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 1639. [2022-02-18 15:38:16,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1632 states have (on average 1.8756127450980393) internal successors, (3061), 1638 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states 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 15:38:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 3061 transitions. [2022-02-18 15:38:16,280 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 3061 transitions. Word has length 114 [2022-02-18 15:38:16,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:16,280 INFO L470 AbstractCegarLoop]: Abstraction has 1639 states and 3061 transitions. [2022-02-18 15:38:16,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:16,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 3061 transitions. [2022-02-18 15:38:16,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:16,282 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:16,282 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, 1, 1, 1, 1] [2022-02-18 15:38:16,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-02-18 15:38:16,282 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:16,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:16,282 INFO L85 PathProgramCache]: Analyzing trace with hash 75959459, now seen corresponding path program 7 times [2022-02-18 15:38:16,283 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:16,283 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290157166] [2022-02-18 15:38:16,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:16,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:16,901 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 15:38:16,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:16,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290157166] [2022-02-18 15:38:16,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290157166] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:16,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:16,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:16,902 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943749542] [2022-02-18 15:38:16,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:16,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:16,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:16,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:16,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:16,902 INFO L87 Difference]: Start difference. First operand 1639 states and 3061 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:17,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:17,506 INFO L93 Difference]: Finished difference Result 1928 states and 3594 transitions. [2022-02-18 15:38:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:17,506 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:17,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:17,510 INFO L225 Difference]: With dead ends: 1928 [2022-02-18 15:38:17,510 INFO L226 Difference]: Without dead ends: 1907 [2022-02-18 15:38:17,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:38:17,510 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 207 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:17,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 755 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:17,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2022-02-18 15:38:17,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1623. [2022-02-18 15:38:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1623 states, 1616 states have (on average 1.874381188118812) internal successors, (3029), 1622 states have internal predecessors, (3029), 0 states have call successors, (0), 0 states 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 15:38:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 3029 transitions. [2022-02-18 15:38:17,528 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 3029 transitions. Word has length 114 [2022-02-18 15:38:17,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:17,528 INFO L470 AbstractCegarLoop]: Abstraction has 1623 states and 3029 transitions. [2022-02-18 15:38:17,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:17,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 3029 transitions. [2022-02-18 15:38:17,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:17,530 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:17,531 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, 1, 1, 1, 1] [2022-02-18 15:38:17,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-02-18 15:38:17,531 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:17,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:17,531 INFO L85 PathProgramCache]: Analyzing trace with hash 2081919525, now seen corresponding path program 8 times [2022-02-18 15:38:17,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:17,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284161747] [2022-02-18 15:38:17,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:17,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:18,166 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 15:38:18,167 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:18,167 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284161747] [2022-02-18 15:38:18,167 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284161747] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:18,167 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:18,167 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:18,167 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298496405] [2022-02-18 15:38:18,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:18,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:18,167 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:18,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:18,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:18,168 INFO L87 Difference]: Start difference. First operand 1623 states and 3029 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:19,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:19,032 INFO L93 Difference]: Finished difference Result 2125 states and 3953 transitions. [2022-02-18 15:38:19,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:38:19,032 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:19,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:19,034 INFO L225 Difference]: With dead ends: 2125 [2022-02-18 15:38:19,034 INFO L226 Difference]: Without dead ends: 2111 [2022-02-18 15:38:19,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:38:19,035 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 228 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:19,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 790 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:38:19,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2022-02-18 15:38:19,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 1621. [2022-02-18 15:38:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1621 states, 1614 states have (on average 1.8742255266418835) internal successors, (3025), 1620 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states 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 15:38:19,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 1621 states and 3025 transitions. [2022-02-18 15:38:19,049 INFO L78 Accepts]: Start accepts. Automaton has 1621 states and 3025 transitions. Word has length 114 [2022-02-18 15:38:19,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:19,063 INFO L470 AbstractCegarLoop]: Abstraction has 1621 states and 3025 transitions. [2022-02-18 15:38:19,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:19,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 3025 transitions. [2022-02-18 15:38:19,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:19,064 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:19,065 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, 1, 1, 1, 1] [2022-02-18 15:38:19,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-02-18 15:38:19,065 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:19,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:19,066 INFO L85 PathProgramCache]: Analyzing trace with hash 277819777, now seen corresponding path program 9 times [2022-02-18 15:38:19,066 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:19,066 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682199174] [2022-02-18 15:38:19,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:19,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:19,587 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 15:38:19,588 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:19,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682199174] [2022-02-18 15:38:19,588 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682199174] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:19,588 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:19,588 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:19,588 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744085055] [2022-02-18 15:38:19,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:19,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:19,588 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:19,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:19,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:19,589 INFO L87 Difference]: Start difference. First operand 1621 states and 3025 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:20,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:20,275 INFO L93 Difference]: Finished difference Result 1809 states and 3367 transitions. [2022-02-18 15:38:20,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:20,275 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:20,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:20,277 INFO L225 Difference]: With dead ends: 1809 [2022-02-18 15:38:20,277 INFO L226 Difference]: Without dead ends: 1795 [2022-02-18 15:38:20,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:38:20,277 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 182 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:20,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 1014 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:38:20,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2022-02-18 15:38:20,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1589. [2022-02-18 15:38:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1582 states have (on average 1.8710493046776233) internal successors, (2960), 1588 states have internal predecessors, (2960), 0 states have call successors, (0), 0 states 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 15:38:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2960 transitions. [2022-02-18 15:38:20,290 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2960 transitions. Word has length 114 [2022-02-18 15:38:20,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:20,290 INFO L470 AbstractCegarLoop]: Abstraction has 1589 states and 2960 transitions. [2022-02-18 15:38:20,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:20,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2960 transitions. [2022-02-18 15:38:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:20,292 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:20,292 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, 1, 1, 1, 1] [2022-02-18 15:38:20,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-02-18 15:38:20,292 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:20,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:20,292 INFO L85 PathProgramCache]: Analyzing trace with hash -633836338, now seen corresponding path program 10 times [2022-02-18 15:38:20,292 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:20,292 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460643747] [2022-02-18 15:38:20,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:20,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:20,590 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 15:38:20,590 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:20,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460643747] [2022-02-18 15:38:20,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460643747] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:20,590 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:20,590 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:20,590 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729725901] [2022-02-18 15:38:20,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:20,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:20,591 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:20,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:20,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:20,591 INFO L87 Difference]: Start difference. First operand 1589 states and 2960 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:20,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:20,964 INFO L93 Difference]: Finished difference Result 1686 states and 3126 transitions. [2022-02-18 15:38:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:20,964 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:20,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:20,966 INFO L225 Difference]: With dead ends: 1686 [2022-02-18 15:38:20,966 INFO L226 Difference]: Without dead ends: 1686 [2022-02-18 15:38:20,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:38:20,967 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 103 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:20,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 545 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:20,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-02-18 15:38:20,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1599. [2022-02-18 15:38:20,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1599 states, 1592 states have (on average 1.8718592964824121) internal successors, (2980), 1598 states have internal predecessors, (2980), 0 states have call successors, (0), 0 states 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 15:38:20,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 2980 transitions. [2022-02-18 15:38:20,979 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 2980 transitions. Word has length 114 [2022-02-18 15:38:20,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:20,979 INFO L470 AbstractCegarLoop]: Abstraction has 1599 states and 2980 transitions. [2022-02-18 15:38:20,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:20,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2980 transitions. [2022-02-18 15:38:20,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:20,981 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:20,981 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, 1, 1, 1, 1] [2022-02-18 15:38:20,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-02-18 15:38:20,981 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:20,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:20,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1038235218, now seen corresponding path program 11 times [2022-02-18 15:38:20,981 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:20,981 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380042194] [2022-02-18 15:38:20,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:20,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:21,308 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 15:38:21,308 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:21,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380042194] [2022-02-18 15:38:21,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380042194] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:21,308 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:21,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:21,308 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064149698] [2022-02-18 15:38:21,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:21,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:21,309 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:21,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:21,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:21,309 INFO L87 Difference]: Start difference. First operand 1599 states and 2980 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:21,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:21,721 INFO L93 Difference]: Finished difference Result 1681 states and 3117 transitions. [2022-02-18 15:38:21,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:21,721 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:21,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:21,723 INFO L225 Difference]: With dead ends: 1681 [2022-02-18 15:38:21,723 INFO L226 Difference]: Without dead ends: 1681 [2022-02-18 15:38:21,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:38:21,723 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 98 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:21,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 676 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:21,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2022-02-18 15:38:21,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1581. [2022-02-18 15:38:21,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1574 states have (on average 1.8703939008894537) internal successors, (2944), 1580 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states 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 15:38:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2944 transitions. [2022-02-18 15:38:21,736 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2944 transitions. Word has length 114 [2022-02-18 15:38:21,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:21,736 INFO L470 AbstractCegarLoop]: Abstraction has 1581 states and 2944 transitions. [2022-02-18 15:38:21,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2944 transitions. [2022-02-18 15:38:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:21,737 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:21,737 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, 1, 1, 1, 1] [2022-02-18 15:38:21,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-02-18 15:38:21,737 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:21,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:21,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1891599700, now seen corresponding path program 12 times [2022-02-18 15:38:21,737 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:21,737 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319117741] [2022-02-18 15:38:21,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:21,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:22,152 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 15:38:22,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:22,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319117741] [2022-02-18 15:38:22,153 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319117741] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:22,153 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:22,153 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:22,153 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275556103] [2022-02-18 15:38:22,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:22,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:22,153 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:22,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:22,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:22,154 INFO L87 Difference]: Start difference. First operand 1581 states and 2944 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:22,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:22,668 INFO L93 Difference]: Finished difference Result 1723 states and 3186 transitions. [2022-02-18 15:38:22,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:38:22,668 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:22,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:22,670 INFO L225 Difference]: With dead ends: 1723 [2022-02-18 15:38:22,670 INFO L226 Difference]: Without dead ends: 1723 [2022-02-18 15:38:22,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:22,670 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 107 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:22,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 639 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:22,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-02-18 15:38:22,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1582. [2022-02-18 15:38:22,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1582 states, 1575 states have (on average 1.8704761904761904) internal successors, (2946), 1581 states have internal predecessors, (2946), 0 states have call successors, (0), 0 states 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 15:38:22,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2946 transitions. [2022-02-18 15:38:22,683 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2946 transitions. Word has length 114 [2022-02-18 15:38:22,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:22,683 INFO L470 AbstractCegarLoop]: Abstraction has 1582 states and 2946 transitions. [2022-02-18 15:38:22,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:22,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2946 transitions. [2022-02-18 15:38:22,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:22,684 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:22,684 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, 1, 1, 1, 1] [2022-02-18 15:38:22,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-02-18 15:38:22,684 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:22,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:22,684 INFO L85 PathProgramCache]: Analyzing trace with hash -757357396, now seen corresponding path program 13 times [2022-02-18 15:38:22,685 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:22,685 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724953115] [2022-02-18 15:38:22,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:22,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:23,203 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 15:38:23,203 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:23,203 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724953115] [2022-02-18 15:38:23,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724953115] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:23,203 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:23,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:23,203 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786471966] [2022-02-18 15:38:23,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:23,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:23,203 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:23,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:23,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:23,204 INFO L87 Difference]: Start difference. First operand 1582 states and 2946 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:23,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:23,849 INFO L93 Difference]: Finished difference Result 1707 states and 3154 transitions. [2022-02-18 15:38:23,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:38:23,849 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:23,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:23,851 INFO L225 Difference]: With dead ends: 1707 [2022-02-18 15:38:23,851 INFO L226 Difference]: Without dead ends: 1707 [2022-02-18 15:38:23,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-02-18 15:38:23,851 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 100 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:23,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 696 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:23,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-02-18 15:38:23,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1583. [2022-02-18 15:38:23,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1583 states, 1576 states have (on average 1.8705583756345177) internal successors, (2948), 1582 states have internal predecessors, (2948), 0 states have call successors, (0), 0 states 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 15:38:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2948 transitions. [2022-02-18 15:38:23,865 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2948 transitions. Word has length 114 [2022-02-18 15:38:23,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:23,865 INFO L470 AbstractCegarLoop]: Abstraction has 1583 states and 2948 transitions. [2022-02-18 15:38:23,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:23,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2948 transitions. [2022-02-18 15:38:23,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:23,866 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:23,866 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, 1, 1, 1, 1] [2022-02-18 15:38:23,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-02-18 15:38:23,866 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:23,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:23,866 INFO L85 PathProgramCache]: Analyzing trace with hash 869338218, now seen corresponding path program 14 times [2022-02-18 15:38:23,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:23,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367138283] [2022-02-18 15:38:23,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:23,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:24,361 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 15:38:24,361 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:24,362 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367138283] [2022-02-18 15:38:24,362 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367138283] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:24,362 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:24,362 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:24,362 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749942920] [2022-02-18 15:38:24,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:24,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:24,362 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:24,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:24,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:24,363 INFO L87 Difference]: Start difference. First operand 1583 states and 2948 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:24,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:24,892 INFO L93 Difference]: Finished difference Result 1706 states and 3152 transitions. [2022-02-18 15:38:24,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:38:24,892 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:24,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:24,894 INFO L225 Difference]: With dead ends: 1706 [2022-02-18 15:38:24,894 INFO L226 Difference]: Without dead ends: 1706 [2022-02-18 15:38:24,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:38:24,894 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 98 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:24,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 598 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:24,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2022-02-18 15:38:24,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1580. [2022-02-18 15:38:24,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1573 states have (on average 1.870311506675143) internal successors, (2942), 1579 states have internal predecessors, (2942), 0 states have call successors, (0), 0 states 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 15:38:24,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2942 transitions. [2022-02-18 15:38:24,907 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2942 transitions. Word has length 114 [2022-02-18 15:38:24,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:24,907 INFO L470 AbstractCegarLoop]: Abstraction has 1580 states and 2942 transitions. [2022-02-18 15:38:24,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:24,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2942 transitions. [2022-02-18 15:38:24,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:24,908 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:24,908 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, 1, 1, 1, 1] [2022-02-18 15:38:24,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-02-18 15:38:24,908 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:24,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:24,909 INFO L85 PathProgramCache]: Analyzing trace with hash -762537084, now seen corresponding path program 15 times [2022-02-18 15:38:24,909 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:24,909 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967055479] [2022-02-18 15:38:24,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:24,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:25,266 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 15:38:25,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:25,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967055479] [2022-02-18 15:38:25,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967055479] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:25,266 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:25,266 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:25,266 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562308129] [2022-02-18 15:38:25,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:25,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:25,267 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:25,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:25,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:25,267 INFO L87 Difference]: Start difference. First operand 1580 states and 2942 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:25,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:25,745 INFO L93 Difference]: Finished difference Result 1662 states and 3081 transitions. [2022-02-18 15:38:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:25,745 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:25,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:25,747 INFO L225 Difference]: With dead ends: 1662 [2022-02-18 15:38:25,747 INFO L226 Difference]: Without dead ends: 1662 [2022-02-18 15:38:25,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:38:25,747 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 109 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:25,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 791 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:25,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2022-02-18 15:38:25,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1572. [2022-02-18 15:38:25,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1565 states have (on average 1.8696485623003194) internal successors, (2926), 1571 states have internal predecessors, (2926), 0 states have call successors, (0), 0 states 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 15:38:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2926 transitions. [2022-02-18 15:38:25,760 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2926 transitions. Word has length 114 [2022-02-18 15:38:25,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:25,760 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 2926 transitions. [2022-02-18 15:38:25,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:25,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2926 transitions. [2022-02-18 15:38:25,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:25,761 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:25,761 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, 1, 1, 1, 1] [2022-02-18 15:38:25,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-02-18 15:38:25,761 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:25,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:25,761 INFO L85 PathProgramCache]: Analyzing trace with hash 371705220, now seen corresponding path program 16 times [2022-02-18 15:38:25,761 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:25,761 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299101074] [2022-02-18 15:38:25,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:25,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:26,211 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 15:38:26,211 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:26,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299101074] [2022-02-18 15:38:26,211 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299101074] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:26,211 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:26,211 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:26,211 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314384225] [2022-02-18 15:38:26,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:26,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:26,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:26,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:26,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:26,212 INFO L87 Difference]: Start difference. First operand 1572 states and 2926 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:26,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:26,859 INFO L93 Difference]: Finished difference Result 1689 states and 3118 transitions. [2022-02-18 15:38:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:38:26,860 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:26,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:26,865 INFO L225 Difference]: With dead ends: 1689 [2022-02-18 15:38:26,865 INFO L226 Difference]: Without dead ends: 1689 [2022-02-18 15:38:26,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:26,865 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 116 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:26,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 803 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:26,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-02-18 15:38:26,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1573. [2022-02-18 15:38:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1566 states have (on average 1.8697318007662835) internal successors, (2928), 1572 states have internal predecessors, (2928), 0 states have call successors, (0), 0 states 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 15:38:26,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2928 transitions. [2022-02-18 15:38:26,878 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2928 transitions. Word has length 114 [2022-02-18 15:38:26,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:26,879 INFO L470 AbstractCegarLoop]: Abstraction has 1573 states and 2928 transitions. [2022-02-18 15:38:26,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2928 transitions. [2022-02-18 15:38:26,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:26,880 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:26,880 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, 1, 1, 1, 1] [2022-02-18 15:38:26,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-02-18 15:38:26,880 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:26,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:26,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1998400834, now seen corresponding path program 17 times [2022-02-18 15:38:26,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:26,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164182113] [2022-02-18 15:38:26,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:26,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:27,334 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 15:38:27,334 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:27,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164182113] [2022-02-18 15:38:27,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164182113] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:27,334 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:27,334 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:27,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977307816] [2022-02-18 15:38:27,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:27,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:27,335 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:27,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:27,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:27,335 INFO L87 Difference]: Start difference. First operand 1573 states and 2928 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:27,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:27,783 INFO L93 Difference]: Finished difference Result 1688 states and 3116 transitions. [2022-02-18 15:38:27,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:38:27,783 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:27,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:27,785 INFO L225 Difference]: With dead ends: 1688 [2022-02-18 15:38:27,785 INFO L226 Difference]: Without dead ends: 1688 [2022-02-18 15:38:27,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:27,786 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 123 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:27,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 525 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:27,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2022-02-18 15:38:27,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1571. [2022-02-18 15:38:27,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1564 states have (on average 1.8695652173913044) internal successors, (2924), 1570 states have internal predecessors, (2924), 0 states have call successors, (0), 0 states 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 15:38:27,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2924 transitions. [2022-02-18 15:38:27,802 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2924 transitions. Word has length 114 [2022-02-18 15:38:27,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:27,803 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2924 transitions. [2022-02-18 15:38:27,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2924 transitions. [2022-02-18 15:38:27,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:27,804 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:27,804 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, 1, 1, 1, 1] [2022-02-18 15:38:27,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-02-18 15:38:27,805 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:27,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:27,805 INFO L85 PathProgramCache]: Analyzing trace with hash -486804394, now seen corresponding path program 18 times [2022-02-18 15:38:27,805 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:27,805 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396843166] [2022-02-18 15:38:27,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:27,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:28,144 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 15:38:28,144 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:28,145 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396843166] [2022-02-18 15:38:28,145 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396843166] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:28,145 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:28,145 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:28,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361470772] [2022-02-18 15:38:28,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:28,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:28,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:28,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:28,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:28,146 INFO L87 Difference]: Start difference. First operand 1571 states and 2924 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:28,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:28,653 INFO L93 Difference]: Finished difference Result 1636 states and 3037 transitions. [2022-02-18 15:38:28,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:38:28,654 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:28,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:28,656 INFO L225 Difference]: With dead ends: 1636 [2022-02-18 15:38:28,656 INFO L226 Difference]: Without dead ends: 1636 [2022-02-18 15:38:28,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:38:28,656 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 137 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:28,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 1025 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:28,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2022-02-18 15:38:28,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1571. [2022-02-18 15:38:28,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1564 states have (on average 1.8695652173913044) internal successors, (2924), 1570 states have internal predecessors, (2924), 0 states have call successors, (0), 0 states 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 15:38:28,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2924 transitions. [2022-02-18 15:38:28,668 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2924 transitions. Word has length 114 [2022-02-18 15:38:28,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:28,669 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2924 transitions. [2022-02-18 15:38:28,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:28,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2924 transitions. [2022-02-18 15:38:28,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:28,670 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:28,670 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, 1, 1, 1, 1] [2022-02-18 15:38:28,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-02-18 15:38:28,670 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:28,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:28,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1589942, now seen corresponding path program 19 times [2022-02-18 15:38:28,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:28,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679558797] [2022-02-18 15:38:28,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:28,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:29,112 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 15:38:29,113 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:29,113 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679558797] [2022-02-18 15:38:29,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679558797] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:29,113 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:29,113 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:29,113 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706033041] [2022-02-18 15:38:29,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:29,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:29,114 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:29,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:29,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:29,114 INFO L87 Difference]: Start difference. First operand 1571 states and 2924 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:29,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:29,654 INFO L93 Difference]: Finished difference Result 1654 states and 3056 transitions. [2022-02-18 15:38:29,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:38:29,655 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:29,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:29,657 INFO L225 Difference]: With dead ends: 1654 [2022-02-18 15:38:29,657 INFO L226 Difference]: Without dead ends: 1654 [2022-02-18 15:38:29,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:38:29,658 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 159 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:29,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 788 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:29,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2022-02-18 15:38:29,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1571. [2022-02-18 15:38:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1564 states have (on average 1.8695652173913044) internal successors, (2924), 1570 states have internal predecessors, (2924), 0 states have call successors, (0), 0 states 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 15:38:29,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2924 transitions. [2022-02-18 15:38:29,672 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2924 transitions. Word has length 114 [2022-02-18 15:38:29,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:29,672 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2924 transitions. [2022-02-18 15:38:29,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:29,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2924 transitions. [2022-02-18 15:38:29,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:29,674 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:29,674 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:29,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-02-18 15:38:29,674 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:29,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:29,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1628285556, now seen corresponding path program 20 times [2022-02-18 15:38:29,675 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:29,675 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751371089] [2022-02-18 15:38:29,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:29,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:30,097 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 15:38:30,097 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:30,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751371089] [2022-02-18 15:38:30,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751371089] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:30,097 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:30,097 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:30,097 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147936207] [2022-02-18 15:38:30,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:30,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:30,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:30,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:30,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:30,098 INFO L87 Difference]: Start difference. First operand 1571 states and 2924 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:30,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:30,596 INFO L93 Difference]: Finished difference Result 1644 states and 3045 transitions. [2022-02-18 15:38:30,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:30,597 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:30,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:30,598 INFO L225 Difference]: With dead ends: 1644 [2022-02-18 15:38:30,598 INFO L226 Difference]: Without dead ends: 1644 [2022-02-18 15:38:30,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:38:30,599 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 151 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:30,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 774 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:30,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2022-02-18 15:38:30,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1562. [2022-02-18 15:38:30,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1555 states have (on average 1.8688102893890675) internal successors, (2906), 1561 states have internal predecessors, (2906), 0 states have call successors, (0), 0 states 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 15:38:30,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2906 transitions. [2022-02-18 15:38:30,626 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2906 transitions. Word has length 114 [2022-02-18 15:38:30,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:30,626 INFO L470 AbstractCegarLoop]: Abstraction has 1562 states and 2906 transitions. [2022-02-18 15:38:30,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:30,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2906 transitions. [2022-02-18 15:38:30,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:30,628 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:30,628 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, 1, 1, 1, 1] [2022-02-18 15:38:30,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-02-18 15:38:30,628 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:30,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:30,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1291602263, now seen corresponding path program 10 times [2022-02-18 15:38:30,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:30,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177406086] [2022-02-18 15:38:30,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:30,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:31,088 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 15:38:31,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:31,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177406086] [2022-02-18 15:38:31,089 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177406086] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:31,089 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:31,089 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:31,089 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7315992] [2022-02-18 15:38:31,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:31,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:31,089 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:31,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:31,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:31,090 INFO L87 Difference]: Start difference. First operand 1562 states and 2906 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:31,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:31,528 INFO L93 Difference]: Finished difference Result 1909 states and 3522 transitions. [2022-02-18 15:38:31,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:38:31,528 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:31,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:31,530 INFO L225 Difference]: With dead ends: 1909 [2022-02-18 15:38:31,530 INFO L226 Difference]: Without dead ends: 1909 [2022-02-18 15:38:31,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:38:31,530 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 255 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:31,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 499 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:31,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2022-02-18 15:38:31,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1588. [2022-02-18 15:38:31,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1581 states have (on average 1.8709677419354838) internal successors, (2958), 1587 states have internal predecessors, (2958), 0 states have call successors, (0), 0 states 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 15:38:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2958 transitions. [2022-02-18 15:38:31,544 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2958 transitions. Word has length 114 [2022-02-18 15:38:31,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:31,544 INFO L470 AbstractCegarLoop]: Abstraction has 1588 states and 2958 transitions. [2022-02-18 15:38:31,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2958 transitions. [2022-02-18 15:38:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:31,545 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:31,546 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, 1, 1, 1, 1] [2022-02-18 15:38:31,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-02-18 15:38:31,546 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:31,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:31,546 INFO L85 PathProgramCache]: Analyzing trace with hash 198793860, now seen corresponding path program 3 times [2022-02-18 15:38:31,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:31,546 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303081679] [2022-02-18 15:38:31,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:31,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:31,817 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 15:38:31,818 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:31,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303081679] [2022-02-18 15:38:31,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303081679] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:31,818 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:31,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:31,818 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293134860] [2022-02-18 15:38:31,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:31,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:31,818 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:31,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:31,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:31,819 INFO L87 Difference]: Start difference. First operand 1588 states and 2958 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:32,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:32,158 INFO L93 Difference]: Finished difference Result 1908 states and 3518 transitions. [2022-02-18 15:38:32,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:32,158 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:32,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:32,160 INFO L225 Difference]: With dead ends: 1908 [2022-02-18 15:38:32,160 INFO L226 Difference]: Without dead ends: 1908 [2022-02-18 15:38:32,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:32,160 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 195 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:32,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 393 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:32,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-02-18 15:38:32,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1585. [2022-02-18 15:38:32,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1578 states have (on average 1.870722433460076) internal successors, (2952), 1584 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states 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 15:38:32,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2952 transitions. [2022-02-18 15:38:32,185 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2952 transitions. Word has length 114 [2022-02-18 15:38:32,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:32,185 INFO L470 AbstractCegarLoop]: Abstraction has 1585 states and 2952 transitions. [2022-02-18 15:38:32,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:32,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2952 transitions. [2022-02-18 15:38:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:32,186 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:32,186 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, 1, 1, 1, 1] [2022-02-18 15:38:32,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-02-18 15:38:32,187 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:32,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:32,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1095055970, now seen corresponding path program 4 times [2022-02-18 15:38:32,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:32,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788583113] [2022-02-18 15:38:32,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:32,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:32,536 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 15:38:32,536 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:32,536 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788583113] [2022-02-18 15:38:32,537 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788583113] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:32,537 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:32,537 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:32,537 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642602301] [2022-02-18 15:38:32,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:32,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:32,537 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:32,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:32,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:32,537 INFO L87 Difference]: Start difference. First operand 1585 states and 2952 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:32,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:32,977 INFO L93 Difference]: Finished difference Result 1894 states and 3490 transitions. [2022-02-18 15:38:32,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:32,978 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:32,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:32,980 INFO L225 Difference]: With dead ends: 1894 [2022-02-18 15:38:32,980 INFO L226 Difference]: Without dead ends: 1894 [2022-02-18 15:38:32,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 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 15:38:32,980 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 221 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:32,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 407 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:32,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2022-02-18 15:38:32,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1561. [2022-02-18 15:38:32,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1561 states, 1554 states have (on average 1.8706563706563706) internal successors, (2907), 1560 states have internal predecessors, (2907), 0 states have call successors, (0), 0 states 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 15:38:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 2907 transitions. [2022-02-18 15:38:32,994 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 2907 transitions. Word has length 114 [2022-02-18 15:38:32,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:32,994 INFO L470 AbstractCegarLoop]: Abstraction has 1561 states and 2907 transitions. [2022-02-18 15:38:32,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 2907 transitions. [2022-02-18 15:38:32,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:32,995 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:32,995 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, 1, 1, 1, 1] [2022-02-18 15:38:32,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-02-18 15:38:32,995 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:32,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:32,995 INFO L85 PathProgramCache]: Analyzing trace with hash -792364937, now seen corresponding path program 2 times [2022-02-18 15:38:32,996 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:32,996 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639695960] [2022-02-18 15:38:32,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:32,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:33,818 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 15:38:33,818 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:33,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639695960] [2022-02-18 15:38:33,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639695960] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:33,818 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:33,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:38:33,818 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170307120] [2022-02-18 15:38:33,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:33,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:38:33,818 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:33,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:38:33,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:33,819 INFO L87 Difference]: Start difference. First operand 1561 states and 2907 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:34,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:34,438 INFO L93 Difference]: Finished difference Result 2012 states and 3715 transitions. [2022-02-18 15:38:34,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:38:34,438 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:34,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:34,440 INFO L225 Difference]: With dead ends: 2012 [2022-02-18 15:38:34,440 INFO L226 Difference]: Without dead ends: 1968 [2022-02-18 15:38:34,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:38:34,441 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 295 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:34,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 607 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:38:34,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2022-02-18 15:38:34,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1565. [2022-02-18 15:38:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1558 states have (on average 1.8703465982028242) internal successors, (2914), 1564 states have internal predecessors, (2914), 0 states have call successors, (0), 0 states 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 15:38:34,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2914 transitions. [2022-02-18 15:38:34,454 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2914 transitions. Word has length 114 [2022-02-18 15:38:34,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:34,454 INFO L470 AbstractCegarLoop]: Abstraction has 1565 states and 2914 transitions. [2022-02-18 15:38:34,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:34,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2914 transitions. [2022-02-18 15:38:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:34,456 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:34,456 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, 1, 1, 1, 1] [2022-02-18 15:38:34,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-02-18 15:38:34,456 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:34,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:34,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1621402836, now seen corresponding path program 21 times [2022-02-18 15:38:34,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:34,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774184714] [2022-02-18 15:38:34,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:34,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:34,792 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 15:38:34,792 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:34,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774184714] [2022-02-18 15:38:34,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774184714] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:34,792 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:34,792 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:34,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976557109] [2022-02-18 15:38:34,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:34,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:34,792 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:34,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:34,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:34,793 INFO L87 Difference]: Start difference. First operand 1565 states and 2914 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:35,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:35,136 INFO L93 Difference]: Finished difference Result 1941 states and 3573 transitions. [2022-02-18 15:38:35,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:35,136 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:35,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:35,138 INFO L225 Difference]: With dead ends: 1941 [2022-02-18 15:38:35,138 INFO L226 Difference]: Without dead ends: 1941 [2022-02-18 15:38:35,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:35,139 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 211 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:35,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 424 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:35,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2022-02-18 15:38:35,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1547. [2022-02-18 15:38:35,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1540 states have (on average 1.8688311688311687) internal successors, (2878), 1546 states have internal predecessors, (2878), 0 states have call successors, (0), 0 states 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 15:38:35,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2878 transitions. [2022-02-18 15:38:35,153 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2878 transitions. Word has length 114 [2022-02-18 15:38:35,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:35,153 INFO L470 AbstractCegarLoop]: Abstraction has 1547 states and 2878 transitions. [2022-02-18 15:38:35,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:35,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2878 transitions. [2022-02-18 15:38:35,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:35,154 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:35,154 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:38:35,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-02-18 15:38:35,154 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:35,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:35,155 INFO L85 PathProgramCache]: Analyzing trace with hash -165592278, now seen corresponding path program 22 times [2022-02-18 15:38:35,155 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:35,155 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316651557] [2022-02-18 15:38:35,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:35,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:35,517 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 15:38:35,517 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:35,517 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316651557] [2022-02-18 15:38:35,517 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316651557] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:35,517 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:35,517 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:35,517 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650065815] [2022-02-18 15:38:35,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:35,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:35,518 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:35,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:35,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:35,518 INFO L87 Difference]: Start difference. First operand 1547 states and 2878 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:35,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:35,981 INFO L93 Difference]: Finished difference Result 1925 states and 3542 transitions. [2022-02-18 15:38:35,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:35,981 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:35,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:35,983 INFO L225 Difference]: With dead ends: 1925 [2022-02-18 15:38:35,983 INFO L226 Difference]: Without dead ends: 1925 [2022-02-18 15:38:35,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 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 15:38:35,984 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 217 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:35,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 561 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:35,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2022-02-18 15:38:35,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1330. [2022-02-18 15:38:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 1323 states have (on average 1.8518518518518519) internal successors, (2450), 1329 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states 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 15:38:35,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 2450 transitions. [2022-02-18 15:38:35,997 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 2450 transitions. Word has length 114 [2022-02-18 15:38:35,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:35,997 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 2450 transitions. [2022-02-18 15:38:35,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:35,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 2450 transitions. [2022-02-18 15:38:35,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:35,998 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:35,999 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, 1, 1, 1, 1] [2022-02-18 15:38:35,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-02-18 15:38:35,999 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:35,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:35,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1262079851, now seen corresponding path program 3 times [2022-02-18 15:38:35,999 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:35,999 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108031875] [2022-02-18 15:38:35,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:35,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:36,853 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 15:38:36,853 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:36,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108031875] [2022-02-18 15:38:36,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108031875] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:36,853 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:36,853 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:38:36,853 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978839382] [2022-02-18 15:38:36,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:36,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:38:36,853 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:36,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:38:36,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:36,854 INFO L87 Difference]: Start difference. First operand 1330 states and 2450 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:37,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:37,405 INFO L93 Difference]: Finished difference Result 1547 states and 2854 transitions. [2022-02-18 15:38:37,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:37,405 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:37,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:37,407 INFO L225 Difference]: With dead ends: 1547 [2022-02-18 15:38:37,407 INFO L226 Difference]: Without dead ends: 1503 [2022-02-18 15:38:37,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:38:37,407 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 213 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:37,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 590 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:37,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2022-02-18 15:38:37,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1304. [2022-02-18 15:38:37,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1304 states, 1297 states have (on average 1.8496530454895914) internal successors, (2399), 1303 states have internal predecessors, (2399), 0 states have call successors, (0), 0 states 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 15:38:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 2399 transitions. [2022-02-18 15:38:37,417 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 2399 transitions. Word has length 114 [2022-02-18 15:38:37,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:37,417 INFO L470 AbstractCegarLoop]: Abstraction has 1304 states and 2399 transitions. [2022-02-18 15:38:37,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 2399 transitions. [2022-02-18 15:38:37,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:37,418 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:37,418 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, 1, 1, 1, 1] [2022-02-18 15:38:37,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-02-18 15:38:37,419 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:37,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:37,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1735800633, now seen corresponding path program 4 times [2022-02-18 15:38:37,419 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:37,419 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120799332] [2022-02-18 15:38:37,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:37,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:38,306 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 15:38:38,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:38,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120799332] [2022-02-18 15:38:38,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120799332] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:38,307 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:38,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:38:38,307 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703083835] [2022-02-18 15:38:38,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:38,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:38:38,307 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:38,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:38:38,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:38,308 INFO L87 Difference]: Start difference. First operand 1304 states and 2399 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:38,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:38,904 INFO L93 Difference]: Finished difference Result 1469 states and 2700 transitions. [2022-02-18 15:38:38,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:38,905 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:38,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:38,906 INFO L225 Difference]: With dead ends: 1469 [2022-02-18 15:38:38,906 INFO L226 Difference]: Without dead ends: 1436 [2022-02-18 15:38:38,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:38:38,907 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 187 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:38,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 617 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:38:38,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2022-02-18 15:38:38,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1252. [2022-02-18 15:38:38,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8441767068273092) internal successors, (2296), 1251 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states 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 15:38:38,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-02-18 15:38:38,919 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-02-18 15:38:38,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:38,920 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-02-18 15:38:38,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-02-18 15:38:38,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:38,921 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:38,921 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, 1, 1, 1, 1] [2022-02-18 15:38:38,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-02-18 15:38:38,921 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:38,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:38,922 INFO L85 PathProgramCache]: Analyzing trace with hash 100492234, now seen corresponding path program 5 times [2022-02-18 15:38:38,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:38,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879862366] [2022-02-18 15:38:38,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:38,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:39,338 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 15:38:39,338 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:39,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879862366] [2022-02-18 15:38:39,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879862366] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:39,338 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:39,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:39,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864572468] [2022-02-18 15:38:39,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:39,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:39,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:39,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:39,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:39,339 INFO L87 Difference]: Start difference. First operand 1252 states and 2296 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:39,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:39,907 INFO L93 Difference]: Finished difference Result 1281 states and 2343 transitions. [2022-02-18 15:38:39,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:39,908 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:39,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:39,909 INFO L225 Difference]: With dead ends: 1281 [2022-02-18 15:38:39,909 INFO L226 Difference]: Without dead ends: 1281 [2022-02-18 15:38:39,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 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 15:38:39,909 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 171 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:39,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 352 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:39,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2022-02-18 15:38:39,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1252. [2022-02-18 15:38:39,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8441767068273092) internal successors, (2296), 1251 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states 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 15:38:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-02-18 15:38:39,919 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-02-18 15:38:39,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:39,919 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-02-18 15:38:39,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-02-18 15:38:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:39,920 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:39,920 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, 1, 1, 1, 1] [2022-02-18 15:38:39,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-02-18 15:38:39,920 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:39,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:39,920 INFO L85 PathProgramCache]: Analyzing trace with hash -751246544, now seen corresponding path program 6 times [2022-02-18 15:38:39,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:39,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829443422] [2022-02-18 15:38:39,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:39,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:40,342 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 15:38:40,342 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:40,342 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829443422] [2022-02-18 15:38:40,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829443422] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:40,342 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:40,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:40,343 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085445563] [2022-02-18 15:38:40,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:40,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:40,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:40,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:40,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:40,343 INFO L87 Difference]: Start difference. First operand 1252 states and 2296 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:40,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:40,809 INFO L93 Difference]: Finished difference Result 1299 states and 2374 transitions. [2022-02-18 15:38:40,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:40,809 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:40,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:40,811 INFO L225 Difference]: With dead ends: 1299 [2022-02-18 15:38:40,811 INFO L226 Difference]: Without dead ends: 1299 [2022-02-18 15:38:40,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 1 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 15:38:40,811 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 166 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:40,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 334 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:40,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2022-02-18 15:38:40,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1252. [2022-02-18 15:38:40,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8441767068273092) internal successors, (2296), 1251 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states 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 15:38:40,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-02-18 15:38:40,821 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-02-18 15:38:40,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:40,821 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-02-18 15:38:40,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-02-18 15:38:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:40,822 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:40,822 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, 1, 1, 1, 1] [2022-02-18 15:38:40,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-02-18 15:38:40,823 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:40,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:40,823 INFO L85 PathProgramCache]: Analyzing trace with hash -530038232, now seen corresponding path program 7 times [2022-02-18 15:38:40,823 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:40,823 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949199705] [2022-02-18 15:38:40,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:40,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:41,252 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 15:38:41,252 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:41,252 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949199705] [2022-02-18 15:38:41,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949199705] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:41,253 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:41,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:41,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633489449] [2022-02-18 15:38:41,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:41,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:41,253 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:41,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:41,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:41,253 INFO L87 Difference]: Start difference. First operand 1252 states and 2296 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:41,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:41,693 INFO L93 Difference]: Finished difference Result 1313 states and 2402 transitions. [2022-02-18 15:38:41,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:41,693 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:41,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:41,695 INFO L225 Difference]: With dead ends: 1313 [2022-02-18 15:38:41,695 INFO L226 Difference]: Without dead ends: 1313 [2022-02-18 15:38:41,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:38:41,695 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 147 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:41,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 384 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:41,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2022-02-18 15:38:41,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1252. [2022-02-18 15:38:41,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1245 states have (on average 1.8441767068273092) internal successors, (2296), 1251 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states 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 15:38:41,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-02-18 15:38:41,704 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-02-18 15:38:41,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:41,704 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-02-18 15:38:41,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:41,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-02-18 15:38:41,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:41,705 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:41,706 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, 1, 1, 1, 1] [2022-02-18 15:38:41,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-02-18 15:38:41,706 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:41,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:41,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1517812654, now seen corresponding path program 8 times [2022-02-18 15:38:41,706 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:41,706 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752420781] [2022-02-18 15:38:41,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:41,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:42,108 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 15:38:42,108 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:42,108 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752420781] [2022-02-18 15:38:42,108 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752420781] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:42,109 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:42,109 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:42,109 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108435557] [2022-02-18 15:38:42,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:42,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:42,109 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:42,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:42,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:42,109 INFO L87 Difference]: Start difference. First operand 1252 states and 2296 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:42,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:42,471 INFO L93 Difference]: Finished difference Result 1299 states and 2379 transitions. [2022-02-18 15:38:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:42,471 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:42,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:42,472 INFO L225 Difference]: With dead ends: 1299 [2022-02-18 15:38:42,472 INFO L226 Difference]: Without dead ends: 1299 [2022-02-18 15:38:42,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 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 15:38:42,473 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 135 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:42,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 364 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:42,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2022-02-18 15:38:42,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1226. [2022-02-18 15:38:42,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 1219 states have (on average 1.844954881050041) internal successors, (2249), 1225 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states 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 15:38:42,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 2249 transitions. [2022-02-18 15:38:42,482 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 2249 transitions. Word has length 114 [2022-02-18 15:38:42,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:42,482 INFO L470 AbstractCegarLoop]: Abstraction has 1226 states and 2249 transitions. [2022-02-18 15:38:42,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 2249 transitions. [2022-02-18 15:38:42,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:42,483 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:42,484 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, 1, 1, 1, 1] [2022-02-18 15:38:42,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-02-18 15:38:42,484 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:42,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:42,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1901795673, now seen corresponding path program 11 times [2022-02-18 15:38:42,484 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:42,484 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634087488] [2022-02-18 15:38:42,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:42,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:43,170 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 15:38:43,170 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:43,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634087488] [2022-02-18 15:38:43,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634087488] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:43,170 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:43,170 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:43,171 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103236462] [2022-02-18 15:38:43,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:43,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:43,171 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:43,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:43,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:43,171 INFO L87 Difference]: Start difference. First operand 1226 states and 2249 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:43,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:43,726 INFO L93 Difference]: Finished difference Result 1539 states and 2829 transitions. [2022-02-18 15:38:43,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:38:43,727 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:43,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:43,728 INFO L225 Difference]: With dead ends: 1539 [2022-02-18 15:38:43,728 INFO L226 Difference]: Without dead ends: 1511 [2022-02-18 15:38:43,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:38:43,728 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 262 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:43,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 524 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:43,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2022-02-18 15:38:43,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1182. [2022-02-18 15:38:43,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1175 states have (on average 1.8391489361702127) internal successors, (2161), 1181 states have internal predecessors, (2161), 0 states have call successors, (0), 0 states 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 15:38:43,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 2161 transitions. [2022-02-18 15:38:43,738 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 2161 transitions. Word has length 114 [2022-02-18 15:38:43,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:43,738 INFO L470 AbstractCegarLoop]: Abstraction has 1182 states and 2161 transitions. [2022-02-18 15:38:43,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:43,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 2161 transitions. [2022-02-18 15:38:43,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:43,739 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:43,739 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, 1, 1, 1, 1] [2022-02-18 15:38:43,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-02-18 15:38:43,739 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:43,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:43,739 INFO L85 PathProgramCache]: Analyzing trace with hash 934747207, now seen corresponding path program 12 times [2022-02-18 15:38:43,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:43,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321065364] [2022-02-18 15:38:43,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:43,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:44,647 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 15:38:44,647 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:44,647 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321065364] [2022-02-18 15:38:44,647 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321065364] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:44,647 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:44,647 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:44,647 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40545701] [2022-02-18 15:38:44,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:44,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:44,648 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:44,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:44,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:44,648 INFO L87 Difference]: Start difference. First operand 1182 states and 2161 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:45,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:45,277 INFO L93 Difference]: Finished difference Result 1551 states and 2853 transitions. [2022-02-18 15:38:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:38:45,278 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:45,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:45,279 INFO L225 Difference]: With dead ends: 1551 [2022-02-18 15:38:45,279 INFO L226 Difference]: Without dead ends: 1530 [2022-02-18 15:38:45,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:38:45,279 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 236 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:45,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 599 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:45,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2022-02-18 15:38:45,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1163. [2022-02-18 15:38:45,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1156 states have (on average 1.8365051903114187) internal successors, (2123), 1162 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states 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 15:38:45,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2123 transitions. [2022-02-18 15:38:45,290 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2123 transitions. Word has length 114 [2022-02-18 15:38:45,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:45,290 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 2123 transitions. [2022-02-18 15:38:45,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:45,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2123 transitions. [2022-02-18 15:38:45,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:45,291 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:45,291 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, 1, 1, 1, 1] [2022-02-18 15:38:45,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-02-18 15:38:45,291 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:45,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:45,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1569408653, now seen corresponding path program 13 times [2022-02-18 15:38:45,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:45,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910508362] [2022-02-18 15:38:45,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:45,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:46,259 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 15:38:46,259 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:46,259 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910508362] [2022-02-18 15:38:46,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910508362] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:46,259 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:46,259 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:46,259 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362030773] [2022-02-18 15:38:46,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:46,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:46,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:46,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:46,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:46,260 INFO L87 Difference]: Start difference. First operand 1163 states and 2123 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:46,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:46,959 INFO L93 Difference]: Finished difference Result 1450 states and 2653 transitions. [2022-02-18 15:38:46,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:38:46,960 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:46,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:46,961 INFO L225 Difference]: With dead ends: 1450 [2022-02-18 15:38:46,961 INFO L226 Difference]: Without dead ends: 1436 [2022-02-18 15:38:46,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:38:46,962 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 237 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:46,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 556 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:46,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2022-02-18 15:38:46,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1127. [2022-02-18 15:38:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1120 states have (on average 1.83125) internal successors, (2051), 1126 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states 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 15:38:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2051 transitions. [2022-02-18 15:38:46,971 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2051 transitions. Word has length 114 [2022-02-18 15:38:46,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:46,971 INFO L470 AbstractCegarLoop]: Abstraction has 1127 states and 2051 transitions. [2022-02-18 15:38:46,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2051 transitions. [2022-02-18 15:38:46,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:46,972 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:46,972 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, 1, 1, 1, 1] [2022-02-18 15:38:46,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-02-18 15:38:46,972 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:46,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:46,973 INFO L85 PathProgramCache]: Analyzing trace with hash -236888212, now seen corresponding path program 23 times [2022-02-18 15:38:46,973 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:46,973 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162589559] [2022-02-18 15:38:46,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:46,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:47,156 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 15:38:47,156 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:47,156 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162589559] [2022-02-18 15:38:47,156 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162589559] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:47,156 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:47,156 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:47,156 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903360403] [2022-02-18 15:38:47,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:47,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:47,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:47,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:47,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:47,157 INFO L87 Difference]: Start difference. First operand 1127 states and 2051 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:47,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:47,720 INFO L93 Difference]: Finished difference Result 1177 states and 2139 transitions. [2022-02-18 15:38:47,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:38:47,720 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:47,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:47,722 INFO L225 Difference]: With dead ends: 1177 [2022-02-18 15:38:47,722 INFO L226 Difference]: Without dead ends: 1177 [2022-02-18 15:38:47,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=328, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:38:47,722 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 225 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:47,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 685 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:47,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2022-02-18 15:38:47,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1127. [2022-02-18 15:38:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1120 states have (on average 1.83125) internal successors, (2051), 1126 states have internal predecessors, (2051), 0 states have call successors, (0), 0 states 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 15:38:47,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2051 transitions. [2022-02-18 15:38:47,731 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2051 transitions. Word has length 114 [2022-02-18 15:38:47,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:47,731 INFO L470 AbstractCegarLoop]: Abstraction has 1127 states and 2051 transitions. [2022-02-18 15:38:47,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:47,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2051 transitions. [2022-02-18 15:38:47,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:47,740 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:47,740 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, 1, 1, 1, 1] [2022-02-18 15:38:47,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-02-18 15:38:47,740 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:47,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:47,741 INFO L85 PathProgramCache]: Analyzing trace with hash -322421242, now seen corresponding path program 24 times [2022-02-18 15:38:47,741 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:47,741 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425548444] [2022-02-18 15:38:47,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:47,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:48,092 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 15:38:48,092 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:48,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425548444] [2022-02-18 15:38:48,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425548444] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:48,092 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:48,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:48,092 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629188643] [2022-02-18 15:38:48,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:48,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:48,093 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:48,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:48,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:48,093 INFO L87 Difference]: Start difference. First operand 1127 states and 2051 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:48,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:48,444 INFO L93 Difference]: Finished difference Result 1208 states and 2188 transitions. [2022-02-18 15:38:48,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:48,444 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:48,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:48,446 INFO L225 Difference]: With dead ends: 1208 [2022-02-18 15:38:48,446 INFO L226 Difference]: Without dead ends: 1208 [2022-02-18 15:38:48,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 2 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 15:38:48,446 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 147 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:48,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 393 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:48,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2022-02-18 15:38:48,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1137. [2022-02-18 15:38:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1130 states have (on average 1.8327433628318583) internal successors, (2071), 1136 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states 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 15:38:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 2071 transitions. [2022-02-18 15:38:48,455 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 2071 transitions. Word has length 114 [2022-02-18 15:38:48,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:48,455 INFO L470 AbstractCegarLoop]: Abstraction has 1137 states and 2071 transitions. [2022-02-18 15:38:48,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:48,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2071 transitions. [2022-02-18 15:38:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:48,456 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:48,456 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, 1, 1, 1, 1] [2022-02-18 15:38:48,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-02-18 15:38:48,456 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:48,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:48,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1349650314, now seen corresponding path program 25 times [2022-02-18 15:38:48,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:48,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7261291] [2022-02-18 15:38:48,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:48,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:48,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:48,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7261291] [2022-02-18 15:38:48,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7261291] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:48,884 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:48,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:48,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733348958] [2022-02-18 15:38:48,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:48,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:48,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:48,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:48,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:48,885 INFO L87 Difference]: Start difference. First operand 1137 states and 2071 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:49,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:49,189 INFO L93 Difference]: Finished difference Result 1203 states and 2179 transitions. [2022-02-18 15:38:49,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:49,189 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:49,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:49,190 INFO L225 Difference]: With dead ends: 1203 [2022-02-18 15:38:49,190 INFO L226 Difference]: Without dead ends: 1203 [2022-02-18 15:38:49,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:49,191 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 139 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:49,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 400 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:49,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2022-02-18 15:38:49,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1119. [2022-02-18 15:38:49,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1112 states have (on average 1.8300359712230216) internal successors, (2035), 1118 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states 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 15:38:49,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 2035 transitions. [2022-02-18 15:38:49,199 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 2035 transitions. Word has length 114 [2022-02-18 15:38:49,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:49,199 INFO L470 AbstractCegarLoop]: Abstraction has 1119 states and 2035 transitions. [2022-02-18 15:38:49,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2035 transitions. [2022-02-18 15:38:49,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:49,200 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:49,200 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, 1, 1, 1, 1] [2022-02-18 15:38:49,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-02-18 15:38:49,201 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:49,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:49,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1580184604, now seen corresponding path program 26 times [2022-02-18 15:38:49,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:49,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038900578] [2022-02-18 15:38:49,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:49,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:49,712 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 15:38:49,712 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:49,712 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038900578] [2022-02-18 15:38:49,712 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038900578] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:49,712 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:49,712 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:49,712 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410289158] [2022-02-18 15:38:49,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:49,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:49,713 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:49,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:49,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:49,713 INFO L87 Difference]: Start difference. First operand 1119 states and 2035 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:50,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:50,100 INFO L93 Difference]: Finished difference Result 1185 states and 2145 transitions. [2022-02-18 15:38:50,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:50,100 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:50,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:50,102 INFO L225 Difference]: With dead ends: 1185 [2022-02-18 15:38:50,102 INFO L226 Difference]: Without dead ends: 1185 [2022-02-18 15:38:50,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:50,102 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 151 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:50,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 377 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:50,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-02-18 15:38:50,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1111. [2022-02-18 15:38:50,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 1104 states have (on average 1.828804347826087) internal successors, (2019), 1110 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states 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 15:38:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2019 transitions. [2022-02-18 15:38:50,110 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2019 transitions. Word has length 114 [2022-02-18 15:38:50,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:50,110 INFO L470 AbstractCegarLoop]: Abstraction has 1111 states and 2019 transitions. [2022-02-18 15:38:50,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:50,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2019 transitions. [2022-02-18 15:38:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:50,111 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:50,111 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, 1, 1, 1, 1] [2022-02-18 15:38:50,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-02-18 15:38:50,112 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:50,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:50,112 INFO L85 PathProgramCache]: Analyzing trace with hash -445942300, now seen corresponding path program 27 times [2022-02-18 15:38:50,112 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:50,112 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253107859] [2022-02-18 15:38:50,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:50,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:50,731 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 15:38:50,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:50,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253107859] [2022-02-18 15:38:50,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253107859] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:50,731 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:50,731 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:50,731 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626636222] [2022-02-18 15:38:50,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:50,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:50,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:50,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:50,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:50,732 INFO L87 Difference]: Start difference. First operand 1111 states and 2019 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:51,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:51,161 INFO L93 Difference]: Finished difference Result 1173 states and 2117 transitions. [2022-02-18 15:38:51,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:51,162 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:51,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:51,163 INFO L225 Difference]: With dead ends: 1173 [2022-02-18 15:38:51,163 INFO L226 Difference]: Without dead ends: 1173 [2022-02-18 15:38:51,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:51,163 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 157 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:51,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 415 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:51,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2022-02-18 15:38:51,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1110. [2022-02-18 15:38:51,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1103 states have (on average 1.829555757026292) internal successors, (2018), 1109 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states 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 15:38:51,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 2018 transitions. [2022-02-18 15:38:51,172 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 2018 transitions. Word has length 114 [2022-02-18 15:38:51,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:51,172 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 2018 transitions. [2022-02-18 15:38:51,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 2018 transitions. [2022-02-18 15:38:51,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-18 15:38:51,173 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:51,173 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, 1, 1, 1, 1] [2022-02-18 15:38:51,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-02-18 15:38:51,173 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:51,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:51,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1180753314, now seen corresponding path program 28 times [2022-02-18 15:38:51,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:51,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557267565] [2022-02-18 15:38:51,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:51,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:51,764 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 15:38:51,765 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:51,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557267565] [2022-02-18 15:38:51,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557267565] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:51,765 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:51,765 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:51,765 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216616897] [2022-02-18 15:38:51,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:51,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:51,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:51,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:51,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:51,766 INFO L87 Difference]: Start difference. First operand 1110 states and 2018 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:52,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:52,087 INFO L93 Difference]: Finished difference Result 1168 states and 2111 transitions. [2022-02-18 15:38:52,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:38:52,087 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-02-18 15:38:52,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:52,088 INFO L225 Difference]: With dead ends: 1168 [2022-02-18 15:38:52,089 INFO L226 Difference]: Without dead ends: 1168 [2022-02-18 15:38:52,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:52,089 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 135 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:52,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 349 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:52,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-02-18 15:38:52,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1079. [2022-02-18 15:38:52,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1072 states have (on average 1.8320895522388059) internal successors, (1964), 1078 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states 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 15:38:52,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1964 transitions. [2022-02-18 15:38:52,097 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1964 transitions. Word has length 114 [2022-02-18 15:38:52,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:52,097 INFO L470 AbstractCegarLoop]: Abstraction has 1079 states and 1964 transitions. [2022-02-18 15:38:52,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states 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 15:38:52,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1964 transitions. [2022-02-18 15:38:52,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:38:52,098 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:52,098 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, 1, 1, 1, 1, 1] [2022-02-18 15:38:52,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-02-18 15:38:52,098 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:52,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:52,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1303131048, now seen corresponding path program 1 times [2022-02-18 15:38:52,099 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:52,099 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202479055] [2022-02-18 15:38:52,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:52,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:52,502 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 15:38:52,503 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:52,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202479055] [2022-02-18 15:38:52,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202479055] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:52,503 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:52,503 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:52,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424473696] [2022-02-18 15:38:52,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:52,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:52,503 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:52,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:52,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:52,503 INFO L87 Difference]: Start difference. First operand 1079 states and 1964 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:53,042 INFO L93 Difference]: Finished difference Result 1765 states and 3226 transitions. [2022-02-18 15:38:53,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:38:53,043 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:38:53,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:53,045 INFO L225 Difference]: With dead ends: 1765 [2022-02-18 15:38:53,045 INFO L226 Difference]: Without dead ends: 1765 [2022-02-18 15:38:53,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:53,045 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 245 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:53,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 664 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:53,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2022-02-18 15:38:53,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1146. [2022-02-18 15:38:53,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 1139 states have (on average 1.8419666374012291) internal successors, (2098), 1145 states have internal predecessors, (2098), 0 states have call successors, (0), 0 states 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 15:38:53,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 2098 transitions. [2022-02-18 15:38:53,056 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 2098 transitions. Word has length 115 [2022-02-18 15:38:53,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:53,056 INFO L470 AbstractCegarLoop]: Abstraction has 1146 states and 2098 transitions. [2022-02-18 15:38:53,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:53,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 2098 transitions. [2022-02-18 15:38:53,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:38:53,057 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:53,057 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, 1, 1, 1, 1, 1] [2022-02-18 15:38:53,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-02-18 15:38:53,057 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:53,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:53,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1212971395, now seen corresponding path program 1 times [2022-02-18 15:38:53,057 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:53,057 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508119210] [2022-02-18 15:38:53,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:53,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:53,187 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:38:53,187 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:53,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508119210] [2022-02-18 15:38:53,187 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508119210] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:53,187 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:53,187 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 15:38:53,187 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134844191] [2022-02-18 15:38:53,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:53,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 15:38:53,188 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:53,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 15:38:53,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-18 15:38:53,188 INFO L87 Difference]: Start difference. First operand 1146 states and 2098 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:53,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:53,461 INFO L93 Difference]: Finished difference Result 1249 states and 2292 transitions. [2022-02-18 15:38:53,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 15:38:53,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:38:53,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:53,462 INFO L225 Difference]: With dead ends: 1249 [2022-02-18 15:38:53,462 INFO L226 Difference]: Without dead ends: 1249 [2022-02-18 15:38:53,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:53,463 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 122 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:53,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 417 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:53,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2022-02-18 15:38:53,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1155. [2022-02-18 15:38:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1148 states have (on average 1.843205574912892) internal successors, (2116), 1154 states have internal predecessors, (2116), 0 states have call successors, (0), 0 states 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 15:38:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 2116 transitions. [2022-02-18 15:38:53,472 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 2116 transitions. Word has length 115 [2022-02-18 15:38:53,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:53,472 INFO L470 AbstractCegarLoop]: Abstraction has 1155 states and 2116 transitions. [2022-02-18 15:38:53,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2116 transitions. [2022-02-18 15:38:53,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:38:53,473 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:53,473 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, 1, 1, 1, 1, 1] [2022-02-18 15:38:53,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-02-18 15:38:53,473 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:53,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:53,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1212048835, now seen corresponding path program 2 times [2022-02-18 15:38:53,474 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:53,474 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128112801] [2022-02-18 15:38:53,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:53,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:53,679 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 15:38:53,679 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:53,679 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128112801] [2022-02-18 15:38:53,679 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128112801] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:53,679 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:53,679 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:53,679 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810799628] [2022-02-18 15:38:53,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:53,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:53,679 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:53,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:53,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:53,680 INFO L87 Difference]: Start difference. First operand 1155 states and 2116 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:54,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:54,168 INFO L93 Difference]: Finished difference Result 1770 states and 3237 transitions. [2022-02-18 15:38:54,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:54,168 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:38:54,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:54,170 INFO L225 Difference]: With dead ends: 1770 [2022-02-18 15:38:54,170 INFO L226 Difference]: Without dead ends: 1770 [2022-02-18 15:38:54,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:54,171 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 206 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:54,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 627 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:54,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2022-02-18 15:38:54,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1350. [2022-02-18 15:38:54,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 1343 states have (on average 1.8659717051377513) internal successors, (2506), 1349 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states 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 15:38:54,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 2506 transitions. [2022-02-18 15:38:54,184 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 2506 transitions. Word has length 115 [2022-02-18 15:38:54,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:54,184 INFO L470 AbstractCegarLoop]: Abstraction has 1350 states and 2506 transitions. [2022-02-18 15:38:54,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 2506 transitions. [2022-02-18 15:38:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:38:54,185 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:54,185 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, 1, 1, 1, 1, 1] [2022-02-18 15:38:54,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-02-18 15:38:54,186 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:54,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:54,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1212018145, now seen corresponding path program 3 times [2022-02-18 15:38:54,186 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:54,186 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142979813] [2022-02-18 15:38:54,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:54,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:54,492 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 15:38:54,492 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:54,492 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142979813] [2022-02-18 15:38:54,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142979813] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:54,493 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:54,493 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:54,493 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804990731] [2022-02-18 15:38:54,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:54,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:54,493 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:54,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:54,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:54,493 INFO L87 Difference]: Start difference. First operand 1350 states and 2506 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:54,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:54,914 INFO L93 Difference]: Finished difference Result 1738 states and 3174 transitions. [2022-02-18 15:38:54,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:54,914 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:38:54,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:54,917 INFO L225 Difference]: With dead ends: 1738 [2022-02-18 15:38:54,917 INFO L226 Difference]: Without dead ends: 1738 [2022-02-18 15:38:54,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:54,917 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 220 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:54,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 500 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:54,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2022-02-18 15:38:54,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1359. [2022-02-18 15:38:54,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1352 states have (on average 1.8661242603550297) internal successors, (2523), 1358 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states 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 15:38:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 2523 transitions. [2022-02-18 15:38:54,942 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 2523 transitions. Word has length 115 [2022-02-18 15:38:54,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:54,943 INFO L470 AbstractCegarLoop]: Abstraction has 1359 states and 2523 transitions. [2022-02-18 15:38:54,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 2523 transitions. [2022-02-18 15:38:54,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:38:54,944 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:54,944 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, 1, 1, 1, 1, 1] [2022-02-18 15:38:54,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-02-18 15:38:54,944 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:54,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:54,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1949471993, now seen corresponding path program 4 times [2022-02-18 15:38:54,945 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:54,945 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804950320] [2022-02-18 15:38:54,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:54,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:55,311 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 15:38:55,312 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:55,312 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804950320] [2022-02-18 15:38:55,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804950320] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:55,312 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:55,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:55,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496689834] [2022-02-18 15:38:55,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:55,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:55,312 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:55,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:55,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:55,313 INFO L87 Difference]: Start difference. First operand 1359 states and 2523 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:55,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:55,762 INFO L93 Difference]: Finished difference Result 1700 states and 3099 transitions. [2022-02-18 15:38:55,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:55,763 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:38:55,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:55,765 INFO L225 Difference]: With dead ends: 1700 [2022-02-18 15:38:55,765 INFO L226 Difference]: Without dead ends: 1700 [2022-02-18 15:38:55,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:55,766 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 205 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:55,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 502 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:55,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2022-02-18 15:38:55,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1374. [2022-02-18 15:38:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1374 states, 1367 states have (on average 1.8668617410387711) internal successors, (2552), 1373 states have internal predecessors, (2552), 0 states have call successors, (0), 0 states 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 15:38:55,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2552 transitions. [2022-02-18 15:38:55,785 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 2552 transitions. Word has length 115 [2022-02-18 15:38:55,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:55,785 INFO L470 AbstractCegarLoop]: Abstraction has 1374 states and 2552 transitions. [2022-02-18 15:38:55,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:55,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2552 transitions. [2022-02-18 15:38:55,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:38:55,788 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:55,788 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, 1, 1, 1, 1, 1] [2022-02-18 15:38:55,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-02-18 15:38:55,788 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:55,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:55,788 INFO L85 PathProgramCache]: Analyzing trace with hash 494832927, now seen corresponding path program 5 times [2022-02-18 15:38:55,788 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:55,788 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544178850] [2022-02-18 15:38:55,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:55,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:56,219 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 15:38:56,219 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:56,219 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544178850] [2022-02-18 15:38:56,219 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544178850] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:56,220 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:56,220 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:56,220 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762465226] [2022-02-18 15:38:56,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:56,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:56,220 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:56,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:56,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:56,220 INFO L87 Difference]: Start difference. First operand 1374 states and 2552 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:56,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:56,755 INFO L93 Difference]: Finished difference Result 1689 states and 3079 transitions. [2022-02-18 15:38:56,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:56,755 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:38:56,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:56,757 INFO L225 Difference]: With dead ends: 1689 [2022-02-18 15:38:56,757 INFO L226 Difference]: Without dead ends: 1689 [2022-02-18 15:38:56,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:56,758 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 193 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:56,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 575 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:56,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-02-18 15:38:56,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1386. [2022-02-18 15:38:56,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 1379 states have (on average 1.8607686729514141) internal successors, (2566), 1385 states have internal predecessors, (2566), 0 states have call successors, (0), 0 states 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 15:38:56,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 2566 transitions. [2022-02-18 15:38:56,774 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 2566 transitions. Word has length 115 [2022-02-18 15:38:56,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:56,774 INFO L470 AbstractCegarLoop]: Abstraction has 1386 states and 2566 transitions. [2022-02-18 15:38:56,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:56,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 2566 transitions. [2022-02-18 15:38:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:38:56,776 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:56,776 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, 1, 1, 1, 1, 1] [2022-02-18 15:38:56,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-02-18 15:38:56,776 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:56,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:56,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1341906476, now seen corresponding path program 1 times [2022-02-18 15:38:56,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:56,777 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925645231] [2022-02-18 15:38:56,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:56,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:56,875 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 15:38:56,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:56,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925645231] [2022-02-18 15:38:56,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925645231] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:56,875 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:56,875 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 15:38:56,875 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500914861] [2022-02-18 15:38:56,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:56,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 15:38:56,876 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:56,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 15:38:56,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-18 15:38:56,876 INFO L87 Difference]: Start difference. First operand 1386 states and 2566 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:57,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:57,103 INFO L93 Difference]: Finished difference Result 1459 states and 2702 transitions. [2022-02-18 15:38:57,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:57,103 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:38:57,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:57,105 INFO L225 Difference]: With dead ends: 1459 [2022-02-18 15:38:57,105 INFO L226 Difference]: Without dead ends: 1459 [2022-02-18 15:38:57,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:57,105 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 137 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:57,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 473 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:38:57,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1459 states. [2022-02-18 15:38:57,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1459 to 1391. [2022-02-18 15:38:57,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1384 states have (on average 1.861271676300578) internal successors, (2576), 1390 states have internal predecessors, (2576), 0 states have call successors, (0), 0 states 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 15:38:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 2576 transitions. [2022-02-18 15:38:57,133 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 2576 transitions. Word has length 115 [2022-02-18 15:38:57,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:57,133 INFO L470 AbstractCegarLoop]: Abstraction has 1391 states and 2576 transitions. [2022-02-18 15:38:57,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 2576 transitions. [2022-02-18 15:38:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:38:57,135 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:57,135 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, 1, 1, 1, 1, 1] [2022-02-18 15:38:57,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-02-18 15:38:57,135 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:57,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:57,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1255449956, now seen corresponding path program 2 times [2022-02-18 15:38:57,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:57,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050025485] [2022-02-18 15:38:57,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:57,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:57,526 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 15:38:57,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:57,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050025485] [2022-02-18 15:38:57,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050025485] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:57,526 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:57,526 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:38:57,526 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728226782] [2022-02-18 15:38:57,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:57,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:38:57,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:57,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:38:57,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:38:57,527 INFO L87 Difference]: Start difference. First operand 1391 states and 2576 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:58,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:58,176 INFO L93 Difference]: Finished difference Result 2658 states and 4925 transitions. [2022-02-18 15:38:58,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:38:58,177 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:38:58,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:58,179 INFO L225 Difference]: With dead ends: 2658 [2022-02-18 15:38:58,180 INFO L226 Difference]: Without dead ends: 2658 [2022-02-18 15:38:58,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:38:58,180 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 209 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:58,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 562 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:58,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2022-02-18 15:38:58,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 1788. [2022-02-18 15:38:58,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1788 states, 1781 states have (on average 1.8916339135317237) internal successors, (3369), 1787 states have internal predecessors, (3369), 0 states have call successors, (0), 0 states 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 15:38:58,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1788 states and 3369 transitions. [2022-02-18 15:38:58,198 INFO L78 Accepts]: Start accepts. Automaton has 1788 states and 3369 transitions. Word has length 115 [2022-02-18 15:38:58,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:58,198 INFO L470 AbstractCegarLoop]: Abstraction has 1788 states and 3369 transitions. [2022-02-18 15:38:58,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 3369 transitions. [2022-02-18 15:38:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:38:58,200 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:58,200 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, 1, 1, 1, 1, 1] [2022-02-18 15:38:58,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-02-18 15:38:58,200 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:58,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:58,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1357951778, now seen corresponding path program 3 times [2022-02-18 15:38:58,200 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:58,200 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095901707] [2022-02-18 15:38:58,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:58,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:58,531 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 15:38:58,531 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:58,531 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095901707] [2022-02-18 15:38:58,531 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095901707] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:58,531 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:58,531 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:58,531 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413750064] [2022-02-18 15:38:58,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:58,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:58,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:58,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:58,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:58,532 INFO L87 Difference]: Start difference. First operand 1788 states and 3369 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:59,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:59,013 INFO L93 Difference]: Finished difference Result 2123 states and 3939 transitions. [2022-02-18 15:38:59,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:59,014 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:38:59,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:59,016 INFO L225 Difference]: With dead ends: 2123 [2022-02-18 15:38:59,016 INFO L226 Difference]: Without dead ends: 2123 [2022-02-18 15:38:59,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:59,016 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 189 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:59,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 599 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:38:59,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-02-18 15:38:59,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1442. [2022-02-18 15:38:59,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1435 states have (on average 1.864808362369338) internal successors, (2676), 1441 states have internal predecessors, (2676), 0 states have call successors, (0), 0 states 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 15:38:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2676 transitions. [2022-02-18 15:38:59,029 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2676 transitions. Word has length 115 [2022-02-18 15:38:59,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:59,029 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2676 transitions. [2022-02-18 15:38:59,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:59,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2676 transitions. [2022-02-18 15:38:59,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:38:59,030 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:59,030 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, 1, 1, 1, 1, 1] [2022-02-18 15:38:59,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-02-18 15:38:59,030 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:59,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:59,030 INFO L85 PathProgramCache]: Analyzing trace with hash -756561180, now seen corresponding path program 4 times [2022-02-18 15:38:59,031 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:59,031 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599083630] [2022-02-18 15:38:59,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:59,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:38:59,429 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 15:38:59,429 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:38:59,429 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599083630] [2022-02-18 15:38:59,430 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599083630] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:38:59,430 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:38:59,430 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:38:59,430 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086753207] [2022-02-18 15:38:59,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:38:59,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:38:59,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:38:59,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:38:59,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:38:59,430 INFO L87 Difference]: Start difference. First operand 1442 states and 2676 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:59,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:38:59,871 INFO L93 Difference]: Finished difference Result 1710 states and 3115 transitions. [2022-02-18 15:38:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:38:59,871 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:38:59,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:38:59,873 INFO L225 Difference]: With dead ends: 1710 [2022-02-18 15:38:59,873 INFO L226 Difference]: Without dead ends: 1710 [2022-02-18 15:38:59,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:38:59,874 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 236 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:38:59,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 454 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:38:59,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2022-02-18 15:38:59,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1456. [2022-02-18 15:38:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1449 states have (on average 1.8564527260179433) internal successors, (2690), 1455 states have internal predecessors, (2690), 0 states have call successors, (0), 0 states 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 15:38:59,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 2690 transitions. [2022-02-18 15:38:59,886 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 2690 transitions. Word has length 115 [2022-02-18 15:38:59,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:38:59,886 INFO L470 AbstractCegarLoop]: Abstraction has 1456 states and 2690 transitions. [2022-02-18 15:38:59,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:38:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2690 transitions. [2022-02-18 15:38:59,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:38:59,887 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:38:59,887 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, 1, 1, 1, 1, 1] [2022-02-18 15:38:59,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-02-18 15:38:59,888 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:38:59,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:38:59,888 INFO L85 PathProgramCache]: Analyzing trace with hash -620045404, now seen corresponding path program 5 times [2022-02-18 15:38:59,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:38:59,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739270218] [2022-02-18 15:38:59,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:38:59,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:38:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:00,115 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 15:39:00,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:00,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739270218] [2022-02-18 15:39:00,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739270218] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:00,115 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:00,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:00,115 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242210599] [2022-02-18 15:39:00,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:00,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:00,116 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:00,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:00,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:00,116 INFO L87 Difference]: Start difference. First operand 1456 states and 2690 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:00,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:00,820 INFO L93 Difference]: Finished difference Result 1734 states and 3179 transitions. [2022-02-18 15:39:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 15:39:00,820 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:00,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:00,822 INFO L225 Difference]: With dead ends: 1734 [2022-02-18 15:39:00,823 INFO L226 Difference]: Without dead ends: 1734 [2022-02-18 15:39:00,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2022-02-18 15:39:00,823 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 285 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:00,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 687 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:00,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2022-02-18 15:39:00,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1458. [2022-02-18 15:39:00,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1451 states have (on average 1.8566505858028945) internal successors, (2694), 1457 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states 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 15:39:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 2694 transitions. [2022-02-18 15:39:00,836 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 2694 transitions. Word has length 115 [2022-02-18 15:39:00,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:00,836 INFO L470 AbstractCegarLoop]: Abstraction has 1458 states and 2694 transitions. [2022-02-18 15:39:00,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:00,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 2694 transitions. [2022-02-18 15:39:00,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:00,837 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:00,837 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:00,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-02-18 15:39:00,837 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:00,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:00,837 INFO L85 PathProgramCache]: Analyzing trace with hash -706501924, now seen corresponding path program 6 times [2022-02-18 15:39:00,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:00,838 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476527053] [2022-02-18 15:39:00,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:00,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:39:01,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:01,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476527053] [2022-02-18 15:39:01,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476527053] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:01,190 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:01,190 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:01,190 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084284772] [2022-02-18 15:39:01,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:01,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:01,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:01,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:01,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:01,191 INFO L87 Difference]: Start difference. First operand 1458 states and 2694 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:01,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:01,589 INFO L93 Difference]: Finished difference Result 1738 states and 3176 transitions. [2022-02-18 15:39:01,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:39:01,590 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:01,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:01,592 INFO L225 Difference]: With dead ends: 1738 [2022-02-18 15:39:01,592 INFO L226 Difference]: Without dead ends: 1738 [2022-02-18 15:39:01,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:39:01,592 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 164 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:01,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 410 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:01,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2022-02-18 15:39:01,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1474. [2022-02-18 15:39:01,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1474 states, 1467 states have (on average 1.858214042263122) internal successors, (2726), 1473 states have internal predecessors, (2726), 0 states have call successors, (0), 0 states 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 15:39:01,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2726 transitions. [2022-02-18 15:39:01,605 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2726 transitions. Word has length 115 [2022-02-18 15:39:01,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:01,605 INFO L470 AbstractCegarLoop]: Abstraction has 1474 states and 2726 transitions. [2022-02-18 15:39:01,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:01,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2726 transitions. [2022-02-18 15:39:01,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:01,606 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:01,606 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:01,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-02-18 15:39:01,606 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:01,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:01,606 INFO L85 PathProgramCache]: Analyzing trace with hash 936941442, now seen corresponding path program 7 times [2022-02-18 15:39:01,607 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:01,607 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485755885] [2022-02-18 15:39:01,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:01,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:02,027 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 15:39:02,028 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:02,028 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485755885] [2022-02-18 15:39:02,028 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485755885] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:02,028 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:02,028 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:02,028 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070011742] [2022-02-18 15:39:02,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:02,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:02,028 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:02,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:02,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:02,029 INFO L87 Difference]: Start difference. First operand 1474 states and 2726 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:02,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:02,587 INFO L93 Difference]: Finished difference Result 1731 states and 3163 transitions. [2022-02-18 15:39:02,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:39:02,587 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:02,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:02,589 INFO L225 Difference]: With dead ends: 1731 [2022-02-18 15:39:02,589 INFO L226 Difference]: Without dead ends: 1731 [2022-02-18 15:39:02,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:39:02,589 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 155 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:02,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 646 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:02,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2022-02-18 15:39:02,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1477. [2022-02-18 15:39:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 1470 states have (on average 1.8585034013605441) internal successors, (2732), 1476 states have internal predecessors, (2732), 0 states have call successors, (0), 0 states 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 15:39:02,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2732 transitions. [2022-02-18 15:39:02,602 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2732 transitions. Word has length 115 [2022-02-18 15:39:02,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:02,602 INFO L470 AbstractCegarLoop]: Abstraction has 1477 states and 2732 transitions. [2022-02-18 15:39:02,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:02,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2732 transitions. [2022-02-18 15:39:02,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:02,603 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:02,603 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:02,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-02-18 15:39:02,603 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:02,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:02,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1231552126, now seen corresponding path program 8 times [2022-02-18 15:39:02,604 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:02,604 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095110345] [2022-02-18 15:39:02,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:02,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:03,092 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 15:39:03,092 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:03,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095110345] [2022-02-18 15:39:03,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095110345] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:03,092 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:03,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:03,092 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501814235] [2022-02-18 15:39:03,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:03,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:03,092 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:03,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:03,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:03,093 INFO L87 Difference]: Start difference. First operand 1477 states and 2732 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:03,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:03,593 INFO L93 Difference]: Finished difference Result 1725 states and 3153 transitions. [2022-02-18 15:39:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:39:03,593 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:03,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:03,595 INFO L225 Difference]: With dead ends: 1725 [2022-02-18 15:39:03,595 INFO L226 Difference]: Without dead ends: 1725 [2022-02-18 15:39:03,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:39:03,595 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 153 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:03,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 543 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:03,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2022-02-18 15:39:03,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1459. [2022-02-18 15:39:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1459 states, 1452 states have (on average 1.856749311294766) internal successors, (2696), 1458 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states 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 15:39:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 2696 transitions. [2022-02-18 15:39:03,620 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 2696 transitions. Word has length 115 [2022-02-18 15:39:03,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:03,620 INFO L470 AbstractCegarLoop]: Abstraction has 1459 states and 2696 transitions. [2022-02-18 15:39:03,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 2696 transitions. [2022-02-18 15:39:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:03,621 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:03,622 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:03,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-02-18 15:39:03,622 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:03,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:03,623 INFO L85 PathProgramCache]: Analyzing trace with hash 600982884, now seen corresponding path program 9 times [2022-02-18 15:39:03,623 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:03,623 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075293682] [2022-02-18 15:39:03,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:03,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:04,231 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 15:39:04,231 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:04,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075293682] [2022-02-18 15:39:04,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075293682] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:04,231 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:04,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:04,232 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46404505] [2022-02-18 15:39:04,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:04,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:04,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:04,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:04,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:04,232 INFO L87 Difference]: Start difference. First operand 1459 states and 2696 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:04,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:04,711 INFO L93 Difference]: Finished difference Result 1704 states and 3114 transitions. [2022-02-18 15:39:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:39:04,711 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:04,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:04,713 INFO L225 Difference]: With dead ends: 1704 [2022-02-18 15:39:04,713 INFO L226 Difference]: Without dead ends: 1704 [2022-02-18 15:39:04,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:39:04,714 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 170 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:04,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 422 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:04,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2022-02-18 15:39:04,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1460. [2022-02-18 15:39:04,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1453 states have (on average 1.8568479008947005) internal successors, (2698), 1459 states have internal predecessors, (2698), 0 states have call successors, (0), 0 states 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 15:39:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2698 transitions. [2022-02-18 15:39:04,725 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2698 transitions. Word has length 115 [2022-02-18 15:39:04,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:04,725 INFO L470 AbstractCegarLoop]: Abstraction has 1460 states and 2698 transitions. [2022-02-18 15:39:04,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2698 transitions. [2022-02-18 15:39:04,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:04,726 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:04,726 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:04,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-02-18 15:39:04,727 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:04,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:04,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1402755940, now seen corresponding path program 10 times [2022-02-18 15:39:04,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:04,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986315406] [2022-02-18 15:39:04,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:04,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:05,454 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 15:39:05,454 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:05,454 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986315406] [2022-02-18 15:39:05,454 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986315406] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:05,454 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:05,454 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:05,454 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640745847] [2022-02-18 15:39:05,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:05,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:05,455 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:05,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:05,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:05,455 INFO L87 Difference]: Start difference. First operand 1460 states and 2698 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:06,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:06,033 INFO L93 Difference]: Finished difference Result 1686 states and 3078 transitions. [2022-02-18 15:39:06,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:39:06,033 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:06,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:06,035 INFO L225 Difference]: With dead ends: 1686 [2022-02-18 15:39:06,035 INFO L226 Difference]: Without dead ends: 1686 [2022-02-18 15:39:06,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:39:06,036 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 179 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:06,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 505 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:06,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-02-18 15:39:06,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1462. [2022-02-18 15:39:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1455 states have (on average 1.8563573883161513) internal successors, (2701), 1461 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states 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 15:39:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2701 transitions. [2022-02-18 15:39:06,049 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2701 transitions. Word has length 115 [2022-02-18 15:39:06,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:06,049 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2701 transitions. [2022-02-18 15:39:06,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2701 transitions. [2022-02-18 15:39:06,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:06,050 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:06,050 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:06,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-02-18 15:39:06,051 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:06,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:06,051 INFO L85 PathProgramCache]: Analyzing trace with hash 290712422, now seen corresponding path program 11 times [2022-02-18 15:39:06,051 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:06,051 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512747190] [2022-02-18 15:39:06,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:06,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:07,139 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 15:39:07,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:07,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512747190] [2022-02-18 15:39:07,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512747190] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:07,139 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:07,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:39:07,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977026158] [2022-02-18 15:39:07,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:07,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:39:07,140 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:07,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:39:07,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:39:07,140 INFO L87 Difference]: Start difference. First operand 1462 states and 2701 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:08,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:08,702 INFO L93 Difference]: Finished difference Result 2174 states and 3983 transitions. [2022-02-18 15:39:08,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-18 15:39:08,703 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:08,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:08,705 INFO L225 Difference]: With dead ends: 2174 [2022-02-18 15:39:08,705 INFO L226 Difference]: Without dead ends: 2174 [2022-02-18 15:39:08,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 15:39:08,706 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 735 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:08,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [735 Valid, 895 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:39:08,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2022-02-18 15:39:08,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 1467. [2022-02-18 15:39:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1460 states have (on average 1.856849315068493) internal successors, (2711), 1466 states have internal predecessors, (2711), 0 states have call successors, (0), 0 states 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 15:39:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2711 transitions. [2022-02-18 15:39:08,719 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2711 transitions. Word has length 115 [2022-02-18 15:39:08,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:08,720 INFO L470 AbstractCegarLoop]: Abstraction has 1467 states and 2711 transitions. [2022-02-18 15:39:08,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:08,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2711 transitions. [2022-02-18 15:39:08,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:08,721 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:08,721 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:08,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-02-18 15:39:08,721 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:08,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:08,722 INFO L85 PathProgramCache]: Analyzing trace with hash 2030768574, now seen corresponding path program 12 times [2022-02-18 15:39:08,722 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:08,722 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569875151] [2022-02-18 15:39:08,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:08,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:09,464 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 15:39:09,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:09,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569875151] [2022-02-18 15:39:09,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569875151] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:09,464 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:09,464 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:09,464 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539854394] [2022-02-18 15:39:09,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:09,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:09,465 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:09,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:09,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:09,465 INFO L87 Difference]: Start difference. First operand 1467 states and 2711 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:10,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:10,038 INFO L93 Difference]: Finished difference Result 1708 states and 3113 transitions. [2022-02-18 15:39:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:39:10,039 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:10,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:10,041 INFO L225 Difference]: With dead ends: 1708 [2022-02-18 15:39:10,041 INFO L226 Difference]: Without dead ends: 1708 [2022-02-18 15:39:10,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:39:10,041 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 160 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:10,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 555 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:10,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2022-02-18 15:39:10,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1462. [2022-02-18 15:39:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1455 states have (on average 1.8563573883161513) internal successors, (2701), 1461 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states 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 15:39:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2701 transitions. [2022-02-18 15:39:10,053 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2701 transitions. Word has length 115 [2022-02-18 15:39:10,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:10,053 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2701 transitions. [2022-02-18 15:39:10,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2701 transitions. [2022-02-18 15:39:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:10,054 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:10,055 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:10,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-02-18 15:39:10,055 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:10,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:10,055 INFO L85 PathProgramCache]: Analyzing trace with hash 182468356, now seen corresponding path program 13 times [2022-02-18 15:39:10,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:10,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834572786] [2022-02-18 15:39:10,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:10,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:10,376 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 15:39:10,377 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:10,377 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834572786] [2022-02-18 15:39:10,377 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834572786] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:10,377 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:10,377 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:10,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586708838] [2022-02-18 15:39:10,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:10,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:10,377 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:10,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:10,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:10,377 INFO L87 Difference]: Start difference. First operand 1462 states and 2701 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:10,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:10,702 INFO L93 Difference]: Finished difference Result 1588 states and 2917 transitions. [2022-02-18 15:39:10,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:10,702 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:10,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:10,704 INFO L225 Difference]: With dead ends: 1588 [2022-02-18 15:39:10,704 INFO L226 Difference]: Without dead ends: 1588 [2022-02-18 15:39:10,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:39:10,704 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 114 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:10,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 443 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:39:10,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2022-02-18 15:39:10,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1466. [2022-02-18 15:39:10,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 1459 states have (on average 1.8567511994516792) internal successors, (2709), 1465 states have internal predecessors, (2709), 0 states have call successors, (0), 0 states 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 15:39:10,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 2709 transitions. [2022-02-18 15:39:10,716 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 2709 transitions. Word has length 115 [2022-02-18 15:39:10,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:10,716 INFO L470 AbstractCegarLoop]: Abstraction has 1466 states and 2709 transitions. [2022-02-18 15:39:10,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:10,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2709 transitions. [2022-02-18 15:39:10,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:10,717 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:10,717 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:10,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-02-18 15:39:10,717 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:10,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:10,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1825911722, now seen corresponding path program 14 times [2022-02-18 15:39:10,718 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:10,718 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017930492] [2022-02-18 15:39:10,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:10,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:11,067 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 15:39:11,067 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:11,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017930492] [2022-02-18 15:39:11,067 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017930492] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:11,067 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:11,067 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:11,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026018158] [2022-02-18 15:39:11,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:11,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:11,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:11,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:11,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:11,068 INFO L87 Difference]: Start difference. First operand 1466 states and 2709 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:11,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:11,441 INFO L93 Difference]: Finished difference Result 1581 states and 2904 transitions. [2022-02-18 15:39:11,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:11,441 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:11,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:11,443 INFO L225 Difference]: With dead ends: 1581 [2022-02-18 15:39:11,443 INFO L226 Difference]: Without dead ends: 1581 [2022-02-18 15:39:11,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:39:11,443 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 109 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:11,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 529 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:39:11,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2022-02-18 15:39:11,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1469. [2022-02-18 15:39:11,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 1462 states have (on average 1.8570451436388509) internal successors, (2715), 1468 states have internal predecessors, (2715), 0 states have call successors, (0), 0 states 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 15:39:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2715 transitions. [2022-02-18 15:39:11,454 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2715 transitions. Word has length 115 [2022-02-18 15:39:11,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:11,455 INFO L470 AbstractCegarLoop]: Abstraction has 1469 states and 2715 transitions. [2022-02-18 15:39:11,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:11,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2715 transitions. [2022-02-18 15:39:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:11,456 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:11,456 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:11,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-02-18 15:39:11,456 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:11,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:11,456 INFO L85 PathProgramCache]: Analyzing trace with hash 2120522406, now seen corresponding path program 15 times [2022-02-18 15:39:11,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:11,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947468584] [2022-02-18 15:39:11,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:11,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:11,862 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 15:39:11,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:11,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947468584] [2022-02-18 15:39:11,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947468584] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:11,862 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:11,862 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:11,862 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366897164] [2022-02-18 15:39:11,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:11,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:11,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:11,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:11,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:11,863 INFO L87 Difference]: Start difference. First operand 1469 states and 2715 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:12,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:12,274 INFO L93 Difference]: Finished difference Result 1575 states and 2894 transitions. [2022-02-18 15:39:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:12,275 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:12,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:12,276 INFO L225 Difference]: With dead ends: 1575 [2022-02-18 15:39:12,276 INFO L226 Difference]: Without dead ends: 1575 [2022-02-18 15:39:12,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:39:12,277 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 93 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:12,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 590 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:12,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2022-02-18 15:39:12,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1451. [2022-02-18 15:39:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1444 states have (on average 1.855263157894737) internal successors, (2679), 1450 states have internal predecessors, (2679), 0 states have call successors, (0), 0 states 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 15:39:12,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2679 transitions. [2022-02-18 15:39:12,288 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2679 transitions. Word has length 115 [2022-02-18 15:39:12,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:12,288 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 2679 transitions. [2022-02-18 15:39:12,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2679 transitions. [2022-02-18 15:39:12,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:12,289 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:12,289 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:12,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-02-18 15:39:12,290 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:12,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:12,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1489953164, now seen corresponding path program 16 times [2022-02-18 15:39:12,290 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:12,290 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634754577] [2022-02-18 15:39:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:12,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:12,889 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 15:39:12,889 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:12,889 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634754577] [2022-02-18 15:39:12,889 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634754577] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:12,889 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:12,889 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:39:12,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775658524] [2022-02-18 15:39:12,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:12,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:39:12,890 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:12,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:39:12,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:39:12,890 INFO L87 Difference]: Start difference. First operand 1451 states and 2679 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:14,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:14,002 INFO L93 Difference]: Finished difference Result 1794 states and 3284 transitions. [2022-02-18 15:39:14,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-18 15:39:14,002 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:14,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:14,004 INFO L225 Difference]: With dead ends: 1794 [2022-02-18 15:39:14,004 INFO L226 Difference]: Without dead ends: 1794 [2022-02-18 15:39:14,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2022-02-18 15:39:14,004 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 656 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:14,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [656 Valid, 1374 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:39:14,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2022-02-18 15:39:14,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1452. [2022-02-18 15:39:14,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1445 states have (on average 1.855363321799308) internal successors, (2681), 1451 states have internal predecessors, (2681), 0 states have call successors, (0), 0 states 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 15:39:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 2681 transitions. [2022-02-18 15:39:14,016 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 2681 transitions. Word has length 115 [2022-02-18 15:39:14,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:14,017 INFO L470 AbstractCegarLoop]: Abstraction has 1452 states and 2681 transitions. [2022-02-18 15:39:14,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:14,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 2681 transitions. [2022-02-18 15:39:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:14,018 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:14,018 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:14,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-02-18 15:39:14,018 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:14,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:14,018 INFO L85 PathProgramCache]: Analyzing trace with hash -2003241076, now seen corresponding path program 17 times [2022-02-18 15:39:14,018 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:14,018 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420076775] [2022-02-18 15:39:14,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:14,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:14,654 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 15:39:14,655 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:14,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420076775] [2022-02-18 15:39:14,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420076775] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:14,655 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:14,655 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:14,655 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666159400] [2022-02-18 15:39:14,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:14,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:14,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:14,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:14,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:14,656 INFO L87 Difference]: Start difference. First operand 1452 states and 2681 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:15,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:15,280 INFO L93 Difference]: Finished difference Result 1603 states and 2934 transitions. [2022-02-18 15:39:15,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:39:15,280 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:15,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:15,282 INFO L225 Difference]: With dead ends: 1603 [2022-02-18 15:39:15,282 INFO L226 Difference]: Without dead ends: 1603 [2022-02-18 15:39:15,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-02-18 15:39:15,282 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 106 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:15,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 545 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:15,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2022-02-18 15:39:15,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1453. [2022-02-18 15:39:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1446 states have (on average 1.855463347164592) internal successors, (2683), 1452 states have internal predecessors, (2683), 0 states have call successors, (0), 0 states 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 15:39:15,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2683 transitions. [2022-02-18 15:39:15,293 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2683 transitions. Word has length 115 [2022-02-18 15:39:15,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:15,293 INFO L470 AbstractCegarLoop]: Abstraction has 1453 states and 2683 transitions. [2022-02-18 15:39:15,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:15,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2683 transitions. [2022-02-18 15:39:15,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:15,294 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:15,294 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:15,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-02-18 15:39:15,295 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:15,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:15,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1179682702, now seen corresponding path program 18 times [2022-02-18 15:39:15,295 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:15,295 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738674590] [2022-02-18 15:39:15,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:15,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:16,082 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 15:39:16,082 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:16,083 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738674590] [2022-02-18 15:39:16,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738674590] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:16,083 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:16,083 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:39:16,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77741654] [2022-02-18 15:39:16,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:16,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:39:16,083 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:16,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:39:16,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:39:16,083 INFO L87 Difference]: Start difference. First operand 1453 states and 2683 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:17,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:17,117 INFO L93 Difference]: Finished difference Result 1775 states and 3246 transitions. [2022-02-18 15:39:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 15:39:17,117 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:17,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:17,119 INFO L225 Difference]: With dead ends: 1775 [2022-02-18 15:39:17,119 INFO L226 Difference]: Without dead ends: 1775 [2022-02-18 15:39:17,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=323, Invalid=1159, Unknown=0, NotChecked=0, Total=1482 [2022-02-18 15:39:17,120 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 627 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:17,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [627 Valid, 1094 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:39:17,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2022-02-18 15:39:17,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1450. [2022-02-18 15:39:17,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 1443 states have (on average 1.8551628551628552) internal successors, (2677), 1449 states have internal predecessors, (2677), 0 states have call successors, (0), 0 states 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 15:39:17,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2677 transitions. [2022-02-18 15:39:17,136 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2677 transitions. Word has length 115 [2022-02-18 15:39:17,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:17,136 INFO L470 AbstractCegarLoop]: Abstraction has 1450 states and 2677 transitions. [2022-02-18 15:39:17,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2677 transitions. [2022-02-18 15:39:17,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:17,138 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:17,138 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:17,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-02-18 15:39:17,138 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:17,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:17,138 INFO L85 PathProgramCache]: Analyzing trace with hash 2131155892, now seen corresponding path program 19 times [2022-02-18 15:39:17,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:17,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594496] [2022-02-18 15:39:17,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:17,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:17,695 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 15:39:17,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:17,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594496] [2022-02-18 15:39:17,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594496] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:17,696 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:17,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:39:17,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356208993] [2022-02-18 15:39:17,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:17,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:39:17,696 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:17,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:39:17,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:39:17,697 INFO L87 Difference]: Start difference. First operand 1450 states and 2677 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:18,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:18,663 INFO L93 Difference]: Finished difference Result 1726 states and 3167 transitions. [2022-02-18 15:39:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:39:18,664 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:18,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:18,666 INFO L225 Difference]: With dead ends: 1726 [2022-02-18 15:39:18,666 INFO L226 Difference]: Without dead ends: 1726 [2022-02-18 15:39:18,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=293, Invalid=1039, Unknown=0, NotChecked=0, Total=1332 [2022-02-18 15:39:18,667 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 646 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:18,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [646 Valid, 1391 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:39:18,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2022-02-18 15:39:18,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1441. [2022-02-18 15:39:18,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8542538354253835) internal successors, (2659), 1440 states have internal predecessors, (2659), 0 states have call successors, (0), 0 states 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 15:39:18,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2659 transitions. [2022-02-18 15:39:18,682 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2659 transitions. Word has length 115 [2022-02-18 15:39:18,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:18,683 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2659 transitions. [2022-02-18 15:39:18,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:18,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2659 transitions. [2022-02-18 15:39:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:18,684 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:18,684 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:18,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-02-18 15:39:18,684 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:18,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:18,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1362038348, now seen corresponding path program 20 times [2022-02-18 15:39:18,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:18,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621617753] [2022-02-18 15:39:18,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:18,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:19,269 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 15:39:19,269 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:19,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621617753] [2022-02-18 15:39:19,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621617753] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:19,269 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:19,269 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:19,270 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527810719] [2022-02-18 15:39:19,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:19,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:19,270 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:19,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:19,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:19,270 INFO L87 Difference]: Start difference. First operand 1441 states and 2659 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:19,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:19,796 INFO L93 Difference]: Finished difference Result 1583 states and 2894 transitions. [2022-02-18 15:39:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:39:19,797 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:19,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:19,798 INFO L225 Difference]: With dead ends: 1583 [2022-02-18 15:39:19,798 INFO L226 Difference]: Without dead ends: 1583 [2022-02-18 15:39:19,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:39:19,799 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 122 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:19,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 562 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:19,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-02-18 15:39:19,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1442. [2022-02-18 15:39:19,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1435 states have (on average 1.854355400696864) internal successors, (2661), 1441 states have internal predecessors, (2661), 0 states have call successors, (0), 0 states 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 15:39:19,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2661 transitions. [2022-02-18 15:39:19,810 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2661 transitions. Word has length 115 [2022-02-18 15:39:19,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:19,810 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2661 transitions. [2022-02-18 15:39:19,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:19,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2661 transitions. [2022-02-18 15:39:19,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:19,811 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:19,811 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:19,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-02-18 15:39:19,811 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:19,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:19,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1820885430, now seen corresponding path program 21 times [2022-02-18 15:39:19,811 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:19,811 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922881647] [2022-02-18 15:39:19,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:19,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:20,501 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 15:39:20,501 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:20,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922881647] [2022-02-18 15:39:20,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922881647] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:20,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:20,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:39:20,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002595141] [2022-02-18 15:39:20,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:20,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:39:20,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:20,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:39:20,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:39:20,502 INFO L87 Difference]: Start difference. First operand 1442 states and 2661 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:21,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:21,638 INFO L93 Difference]: Finished difference Result 1755 states and 3206 transitions. [2022-02-18 15:39:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 15:39:21,638 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:21,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:21,640 INFO L225 Difference]: With dead ends: 1755 [2022-02-18 15:39:21,640 INFO L226 Difference]: Without dead ends: 1755 [2022-02-18 15:39:21,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=322, Invalid=1160, Unknown=0, NotChecked=0, Total=1482 [2022-02-18 15:39:21,641 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 664 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:21,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [664 Valid, 1558 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:39:21,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2022-02-18 15:39:21,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1440. [2022-02-18 15:39:21,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1433 states have (on average 1.854152128401954) internal successors, (2657), 1439 states have internal predecessors, (2657), 0 states have call successors, (0), 0 states 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 15:39:21,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2657 transitions. [2022-02-18 15:39:21,652 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2657 transitions. Word has length 115 [2022-02-18 15:39:21,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:21,652 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2657 transitions. [2022-02-18 15:39:21,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2657 transitions. [2022-02-18 15:39:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:21,653 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:21,653 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:21,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-02-18 15:39:21,654 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:21,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:21,654 INFO L85 PathProgramCache]: Analyzing trace with hash 2088934690, now seen corresponding path program 22 times [2022-02-18 15:39:21,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:21,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833102693] [2022-02-18 15:39:21,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:21,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:22,063 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 15:39:22,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:22,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833102693] [2022-02-18 15:39:22,064 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833102693] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:22,064 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:22,064 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:22,064 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422792586] [2022-02-18 15:39:22,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:22,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:22,064 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:22,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:22,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:22,064 INFO L87 Difference]: Start difference. First operand 1440 states and 2657 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:22,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:22,428 INFO L93 Difference]: Finished difference Result 1514 states and 2784 transitions. [2022-02-18 15:39:22,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:39:22,428 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:22,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:22,429 INFO L225 Difference]: With dead ends: 1514 [2022-02-18 15:39:22,429 INFO L226 Difference]: Without dead ends: 1514 [2022-02-18 15:39:22,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:39:22,430 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 164 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:22,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 634 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:22,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2022-02-18 15:39:22,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1440. [2022-02-18 15:39:22,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1433 states have (on average 1.854152128401954) internal successors, (2657), 1439 states have internal predecessors, (2657), 0 states have call successors, (0), 0 states 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 15:39:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2657 transitions. [2022-02-18 15:39:22,442 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2657 transitions. Word has length 115 [2022-02-18 15:39:22,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:22,442 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2657 transitions. [2022-02-18 15:39:22,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:22,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2657 transitions. [2022-02-18 15:39:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:22,444 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:22,444 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:22,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-02-18 15:39:22,444 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:22,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:22,444 INFO L85 PathProgramCache]: Analyzing trace with hash 49289922, now seen corresponding path program 23 times [2022-02-18 15:39:22,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:22,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370102332] [2022-02-18 15:39:22,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:22,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:23,164 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 15:39:23,164 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:23,164 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370102332] [2022-02-18 15:39:23,164 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370102332] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:23,164 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:23,164 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:39:23,164 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033215169] [2022-02-18 15:39:23,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:23,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:39:23,165 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:23,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:39:23,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:39:23,165 INFO L87 Difference]: Start difference. First operand 1440 states and 2657 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:24,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:24,389 INFO L93 Difference]: Finished difference Result 1717 states and 3139 transitions. [2022-02-18 15:39:24,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 15:39:24,390 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:24,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:24,392 INFO L225 Difference]: With dead ends: 1717 [2022-02-18 15:39:24,392 INFO L226 Difference]: Without dead ends: 1717 [2022-02-18 15:39:24,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=344, Invalid=1216, Unknown=0, NotChecked=0, Total=1560 [2022-02-18 15:39:24,392 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 761 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:24,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [761 Valid, 1494 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:39:24,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-02-18 15:39:24,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1441. [2022-02-18 15:39:24,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1434 states have (on average 1.8542538354253835) internal successors, (2659), 1440 states have internal predecessors, (2659), 0 states have call successors, (0), 0 states 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 15:39:24,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2659 transitions. [2022-02-18 15:39:24,404 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2659 transitions. Word has length 115 [2022-02-18 15:39:24,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:24,404 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2659 transitions. [2022-02-18 15:39:24,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:24,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2659 transitions. [2022-02-18 15:39:24,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:24,405 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:24,405 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:24,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-02-18 15:39:24,405 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:24,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:24,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1062753596, now seen corresponding path program 24 times [2022-02-18 15:39:24,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:24,406 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886203967] [2022-02-18 15:39:24,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:24,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:25,005 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 15:39:25,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:25,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886203967] [2022-02-18 15:39:25,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886203967] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:25,005 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:25,005 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:39:25,006 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814965176] [2022-02-18 15:39:25,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:25,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:39:25,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:25,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:39:25,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:39:25,006 INFO L87 Difference]: Start difference. First operand 1441 states and 2659 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:26,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:26,070 INFO L93 Difference]: Finished difference Result 1706 states and 3127 transitions. [2022-02-18 15:39:26,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 15:39:26,070 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:26,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:26,072 INFO L225 Difference]: With dead ends: 1706 [2022-02-18 15:39:26,072 INFO L226 Difference]: Without dead ends: 1706 [2022-02-18 15:39:26,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=338, Invalid=1144, Unknown=0, NotChecked=0, Total=1482 [2022-02-18 15:39:26,072 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 726 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:26,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [726 Valid, 1422 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:39:26,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2022-02-18 15:39:26,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1440. [2022-02-18 15:39:26,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1433 states have (on average 1.854152128401954) internal successors, (2657), 1439 states have internal predecessors, (2657), 0 states have call successors, (0), 0 states 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 15:39:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2657 transitions. [2022-02-18 15:39:26,083 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2657 transitions. Word has length 115 [2022-02-18 15:39:26,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:26,083 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2657 transitions. [2022-02-18 15:39:26,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:26,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2657 transitions. [2022-02-18 15:39:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:26,084 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:26,085 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:26,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-02-18 15:39:26,085 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:26,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:26,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1384961470, now seen corresponding path program 2 times [2022-02-18 15:39:26,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:26,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519942510] [2022-02-18 15:39:26,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:26,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:26,512 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 15:39:26,512 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:26,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519942510] [2022-02-18 15:39:26,512 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519942510] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:26,512 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:26,512 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:26,513 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180253244] [2022-02-18 15:39:26,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:26,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:26,513 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:26,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:26,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:26,513 INFO L87 Difference]: Start difference. First operand 1440 states and 2657 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:26,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:26,963 INFO L93 Difference]: Finished difference Result 1694 states and 3084 transitions. [2022-02-18 15:39:26,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:39:26,964 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:26,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:26,965 INFO L225 Difference]: With dead ends: 1694 [2022-02-18 15:39:26,965 INFO L226 Difference]: Without dead ends: 1694 [2022-02-18 15:39:26,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:39:26,966 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 240 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:26,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 456 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:26,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2022-02-18 15:39:26,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1416. [2022-02-18 15:39:26,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 1409 states have (on average 1.85166784953868) internal successors, (2609), 1415 states have internal predecessors, (2609), 0 states have call successors, (0), 0 states 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 15:39:26,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 2609 transitions. [2022-02-18 15:39:26,977 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 2609 transitions. Word has length 115 [2022-02-18 15:39:26,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:26,978 INFO L470 AbstractCegarLoop]: Abstraction has 1416 states and 2609 transitions. [2022-02-18 15:39:26,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:26,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2609 transitions. [2022-02-18 15:39:26,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:26,979 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:26,979 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:26,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-02-18 15:39:26,979 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:26,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:26,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1293879257, now seen corresponding path program 6 times [2022-02-18 15:39:26,979 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:26,979 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47744648] [2022-02-18 15:39:26,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:26,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:27,196 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 15:39:27,197 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:27,197 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47744648] [2022-02-18 15:39:27,197 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47744648] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:27,197 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:27,197 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:27,197 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956312763] [2022-02-18 15:39:27,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:27,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:27,197 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:27,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:27,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:27,198 INFO L87 Difference]: Start difference. First operand 1416 states and 2609 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:27,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:27,568 INFO L93 Difference]: Finished difference Result 1754 states and 3199 transitions. [2022-02-18 15:39:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:27,568 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:27,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:27,581 INFO L225 Difference]: With dead ends: 1754 [2022-02-18 15:39:27,581 INFO L226 Difference]: Without dead ends: 1754 [2022-02-18 15:39:27,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:39:27,581 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 243 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:27,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 366 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:27,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2022-02-18 15:39:27,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1417. [2022-02-18 15:39:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1410 states have (on average 1.8517730496453901) internal successors, (2611), 1416 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states 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 15:39:27,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2611 transitions. [2022-02-18 15:39:27,593 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2611 transitions. Word has length 115 [2022-02-18 15:39:27,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:27,593 INFO L470 AbstractCegarLoop]: Abstraction has 1417 states and 2611 transitions. [2022-02-18 15:39:27,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2611 transitions. [2022-02-18 15:39:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:27,594 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:27,595 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:27,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-02-18 15:39:27,595 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:27,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:27,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1293848567, now seen corresponding path program 7 times [2022-02-18 15:39:27,595 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:27,596 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748208906] [2022-02-18 15:39:27,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:27,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:27,875 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 15:39:27,876 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:27,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748208906] [2022-02-18 15:39:27,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748208906] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:27,876 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:27,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:27,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402014012] [2022-02-18 15:39:27,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:27,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:27,876 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:27,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:27,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:27,877 INFO L87 Difference]: Start difference. First operand 1417 states and 2611 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:28,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:28,332 INFO L93 Difference]: Finished difference Result 1726 states and 3144 transitions. [2022-02-18 15:39:28,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:28,333 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:28,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:28,334 INFO L225 Difference]: With dead ends: 1726 [2022-02-18 15:39:28,334 INFO L226 Difference]: Without dead ends: 1726 [2022-02-18 15:39:28,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 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 15:39:28,335 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 194 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:28,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 513 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:28,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2022-02-18 15:39:28,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1407. [2022-02-18 15:39:28,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 1400 states have (on average 1.8507142857142858) internal successors, (2591), 1406 states have internal predecessors, (2591), 0 states have call successors, (0), 0 states 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 15:39:28,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2591 transitions. [2022-02-18 15:39:28,351 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2591 transitions. Word has length 115 [2022-02-18 15:39:28,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:28,352 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 2591 transitions. [2022-02-18 15:39:28,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:28,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2591 transitions. [2022-02-18 15:39:28,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:28,353 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:28,353 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:28,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-02-18 15:39:28,353 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:28,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:28,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1867641571, now seen corresponding path program 8 times [2022-02-18 15:39:28,354 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:28,354 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617696935] [2022-02-18 15:39:28,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:28,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:28,799 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 15:39:28,799 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:28,799 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617696935] [2022-02-18 15:39:28,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617696935] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:28,800 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:28,800 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:28,800 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947050021] [2022-02-18 15:39:28,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:28,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:28,800 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:28,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:28,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:28,800 INFO L87 Difference]: Start difference. First operand 1407 states and 2591 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:29,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:29,269 INFO L93 Difference]: Finished difference Result 1689 states and 3071 transitions. [2022-02-18 15:39:29,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:29,269 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:29,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:29,271 INFO L225 Difference]: With dead ends: 1689 [2022-02-18 15:39:29,271 INFO L226 Difference]: Without dead ends: 1689 [2022-02-18 15:39:29,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 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 15:39:29,272 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 227 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:29,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 466 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:29,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-02-18 15:39:29,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1394. [2022-02-18 15:39:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1387 states have (on average 1.8493150684931507) internal successors, (2565), 1393 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states 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 15:39:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2565 transitions. [2022-02-18 15:39:29,283 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2565 transitions. Word has length 115 [2022-02-18 15:39:29,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:29,283 INFO L470 AbstractCegarLoop]: Abstraction has 1394 states and 2565 transitions. [2022-02-18 15:39:29,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2565 transitions. [2022-02-18 15:39:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:29,284 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:29,284 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:29,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-02-18 15:39:29,284 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:29,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:29,284 INFO L85 PathProgramCache]: Analyzing trace with hash 413002505, now seen corresponding path program 9 times [2022-02-18 15:39:29,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:29,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070478818] [2022-02-18 15:39:29,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:29,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:29,722 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 15:39:29,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:29,723 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070478818] [2022-02-18 15:39:29,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070478818] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:29,723 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:29,723 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:29,723 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109607083] [2022-02-18 15:39:29,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:29,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:29,723 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:29,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:29,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:29,723 INFO L87 Difference]: Start difference. First operand 1394 states and 2565 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:30,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:30,165 INFO L93 Difference]: Finished difference Result 1675 states and 3045 transitions. [2022-02-18 15:39:30,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:30,165 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:30,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:30,167 INFO L225 Difference]: With dead ends: 1675 [2022-02-18 15:39:30,167 INFO L226 Difference]: Without dead ends: 1675 [2022-02-18 15:39:30,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 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 15:39:30,167 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 203 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:30,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [203 Valid, 417 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:30,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2022-02-18 15:39:30,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1377. [2022-02-18 15:39:30,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1377 states, 1370 states have (on average 1.8518248175182481) internal successors, (2537), 1376 states have internal predecessors, (2537), 0 states have call successors, (0), 0 states 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 15:39:30,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 2537 transitions. [2022-02-18 15:39:30,178 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 2537 transitions. Word has length 115 [2022-02-18 15:39:30,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:30,178 INFO L470 AbstractCegarLoop]: Abstraction has 1377 states and 2537 transitions. [2022-02-18 15:39:30,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:30,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 2537 transitions. [2022-02-18 15:39:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:30,179 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:30,179 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:30,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-02-18 15:39:30,180 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:30,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:30,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1173619534, now seen corresponding path program 25 times [2022-02-18 15:39:30,180 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:30,180 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490373403] [2022-02-18 15:39:30,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:30,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:30,624 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 15:39:30,624 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:30,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490373403] [2022-02-18 15:39:30,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490373403] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:30,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:30,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:39:30,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456951878] [2022-02-18 15:39:30,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:30,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:39:30,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:30,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:39:30,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:39:30,625 INFO L87 Difference]: Start difference. First operand 1377 states and 2537 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:31,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:31,277 INFO L93 Difference]: Finished difference Result 1728 states and 3142 transitions. [2022-02-18 15:39:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:39:31,277 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:31,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:31,279 INFO L225 Difference]: With dead ends: 1728 [2022-02-18 15:39:31,279 INFO L226 Difference]: Without dead ends: 1728 [2022-02-18 15:39:31,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:39:31,279 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 217 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:31,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 549 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:39:31,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-02-18 15:39:31,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1361. [2022-02-18 15:39:31,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1361 states, 1354 states have (on average 1.8500738552437224) internal successors, (2505), 1360 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states 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 15:39:31,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 2505 transitions. [2022-02-18 15:39:31,297 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 2505 transitions. Word has length 115 [2022-02-18 15:39:31,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:31,297 INFO L470 AbstractCegarLoop]: Abstraction has 1361 states and 2505 transitions. [2022-02-18 15:39:31,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 2505 transitions. [2022-02-18 15:39:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:31,298 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:31,298 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:31,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-02-18 15:39:31,299 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:31,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:31,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1276121356, now seen corresponding path program 26 times [2022-02-18 15:39:31,299 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:31,299 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288053225] [2022-02-18 15:39:31,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:31,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:31,661 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:39:31,662 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:31,662 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288053225] [2022-02-18 15:39:31,662 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288053225] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:31,662 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:31,662 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:31,662 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261150133] [2022-02-18 15:39:31,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:31,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:31,662 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:31,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:31,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:31,663 INFO L87 Difference]: Start difference. First operand 1361 states and 2505 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:32,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:32,012 INFO L93 Difference]: Finished difference Result 1702 states and 3091 transitions. [2022-02-18 15:39:32,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:32,013 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:32,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:32,014 INFO L225 Difference]: With dead ends: 1702 [2022-02-18 15:39:32,015 INFO L226 Difference]: Without dead ends: 1702 [2022-02-18 15:39:32,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:39:32,015 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 204 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:32,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 452 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:32,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2022-02-18 15:39:32,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1333. [2022-02-18 15:39:32,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 1326 states have (on average 1.8469079939668176) internal successors, (2449), 1332 states have internal predecessors, (2449), 0 states have call successors, (0), 0 states 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 15:39:32,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 2449 transitions. [2022-02-18 15:39:32,026 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 2449 transitions. Word has length 115 [2022-02-18 15:39:32,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:32,027 INFO L470 AbstractCegarLoop]: Abstraction has 1333 states and 2449 transitions. [2022-02-18 15:39:32,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 2449 transitions. [2022-02-18 15:39:32,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:32,028 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:32,028 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:32,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-02-18 15:39:32,028 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:32,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:32,028 INFO L85 PathProgramCache]: Analyzing trace with hash -838391602, now seen corresponding path program 27 times [2022-02-18 15:39:32,028 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:32,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664767333] [2022-02-18 15:39:32,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:32,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:32,468 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 15:39:32,468 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:32,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664767333] [2022-02-18 15:39:32,468 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664767333] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:32,468 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:32,468 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:32,468 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067015117] [2022-02-18 15:39:32,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:32,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:32,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:32,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:32,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:32,469 INFO L87 Difference]: Start difference. First operand 1333 states and 2449 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:32,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:32,901 INFO L93 Difference]: Finished difference Result 1690 states and 3069 transitions. [2022-02-18 15:39:32,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:32,901 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:32,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:32,903 INFO L225 Difference]: With dead ends: 1690 [2022-02-18 15:39:32,903 INFO L226 Difference]: Without dead ends: 1690 [2022-02-18 15:39:32,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 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 15:39:32,903 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 213 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:32,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 464 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:32,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2022-02-18 15:39:32,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1083. [2022-02-18 15:39:32,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8178438661710037) internal successors, (1956), 1082 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states 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 15:39:32,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-02-18 15:39:32,913 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-02-18 15:39:32,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:32,913 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-02-18 15:39:32,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:32,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-02-18 15:39:32,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:32,914 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:32,914 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:32,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-02-18 15:39:32,914 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:32,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:32,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1179708835, now seen corresponding path program 10 times [2022-02-18 15:39:32,915 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:32,915 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638733182] [2022-02-18 15:39:32,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:32,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:33,428 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 15:39:33,428 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:33,428 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638733182] [2022-02-18 15:39:33,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638733182] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:33,429 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:33,429 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:33,429 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190460927] [2022-02-18 15:39:33,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:33,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:33,429 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:33,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:33,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:33,429 INFO L87 Difference]: Start difference. First operand 1083 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:33,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:33,850 INFO L93 Difference]: Finished difference Result 1117 states and 2008 transitions. [2022-02-18 15:39:33,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:33,851 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:33,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:33,852 INFO L225 Difference]: With dead ends: 1117 [2022-02-18 15:39:33,852 INFO L226 Difference]: Without dead ends: 1117 [2022-02-18 15:39:33,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:39:33,852 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 145 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:33,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 472 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:33,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2022-02-18 15:39:33,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1083. [2022-02-18 15:39:33,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8178438661710037) internal successors, (1956), 1082 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states 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 15:39:33,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-02-18 15:39:33,860 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-02-18 15:39:33,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:33,860 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-02-18 15:39:33,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:33,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-02-18 15:39:33,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:33,861 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:33,861 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:33,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-02-18 15:39:33,862 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:33,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:33,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1813807177, now seen corresponding path program 11 times [2022-02-18 15:39:33,862 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:33,862 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009091588] [2022-02-18 15:39:33,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:33,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:34,338 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 15:39:34,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:34,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009091588] [2022-02-18 15:39:34,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009091588] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:34,339 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:34,339 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:34,339 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120765397] [2022-02-18 15:39:34,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:34,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:34,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:34,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:34,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:34,340 INFO L87 Difference]: Start difference. First operand 1083 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:34,721 INFO L93 Difference]: Finished difference Result 1137 states and 2046 transitions. [2022-02-18 15:39:34,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:34,721 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:34,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:34,722 INFO L225 Difference]: With dead ends: 1137 [2022-02-18 15:39:34,722 INFO L226 Difference]: Without dead ends: 1137 [2022-02-18 15:39:34,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:39:34,723 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 127 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:34,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 415 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:34,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2022-02-18 15:39:34,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1083. [2022-02-18 15:39:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8178438661710037) internal successors, (1956), 1082 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states 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 15:39:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-02-18 15:39:34,731 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-02-18 15:39:34,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:34,731 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-02-18 15:39:34,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-02-18 15:39:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:34,732 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:34,732 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:34,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-02-18 15:39:34,732 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:34,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:34,732 INFO L85 PathProgramCache]: Analyzing trace with hash 748683199, now seen corresponding path program 12 times [2022-02-18 15:39:34,732 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:34,732 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23232257] [2022-02-18 15:39:34,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:34,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:35,209 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 15:39:35,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:35,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23232257] [2022-02-18 15:39:35,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23232257] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:35,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:35,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:35,210 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84729285] [2022-02-18 15:39:35,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:35,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:35,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:35,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:35,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:35,210 INFO L87 Difference]: Start difference. First operand 1083 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:35,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:35,572 INFO L93 Difference]: Finished difference Result 1152 states and 2076 transitions. [2022-02-18 15:39:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:35,573 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:35,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:35,574 INFO L225 Difference]: With dead ends: 1152 [2022-02-18 15:39:35,574 INFO L226 Difference]: Without dead ends: 1152 [2022-02-18 15:39:35,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:39:35,574 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 149 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:35,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 335 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:35,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2022-02-18 15:39:35,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1083. [2022-02-18 15:39:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1076 states have (on average 1.8178438661710037) internal successors, (1956), 1082 states have internal predecessors, (1956), 0 states have call successors, (0), 0 states 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 15:39:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-02-18 15:39:35,582 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-02-18 15:39:35,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:35,582 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-02-18 15:39:35,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:35,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-02-18 15:39:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:35,583 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:35,583 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:35,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-02-18 15:39:35,585 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:35,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:35,585 INFO L85 PathProgramCache]: Analyzing trace with hash 192447189, now seen corresponding path program 13 times [2022-02-18 15:39:35,585 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:35,585 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047070798] [2022-02-18 15:39:35,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:35,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:36,048 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 15:39:36,048 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:36,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047070798] [2022-02-18 15:39:36,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047070798] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:36,049 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:36,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:36,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267991140] [2022-02-18 15:39:36,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:36,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:36,050 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:36,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:36,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:36,050 INFO L87 Difference]: Start difference. First operand 1083 states and 1956 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:36,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:36,402 INFO L93 Difference]: Finished difference Result 1135 states and 2048 transitions. [2022-02-18 15:39:36,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:36,402 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:36,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:36,403 INFO L225 Difference]: With dead ends: 1135 [2022-02-18 15:39:36,404 INFO L226 Difference]: Without dead ends: 1135 [2022-02-18 15:39:36,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:39:36,404 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 135 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:36,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 415 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:36,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-02-18 15:39:36,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1054. [2022-02-18 15:39:36,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1047 states have (on average 1.8185291308500477) internal successors, (1904), 1053 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states 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 15:39:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1904 transitions. [2022-02-18 15:39:36,412 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1904 transitions. Word has length 115 [2022-02-18 15:39:36,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:36,413 INFO L470 AbstractCegarLoop]: Abstraction has 1054 states and 1904 transitions. [2022-02-18 15:39:36,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1904 transitions. [2022-02-18 15:39:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:36,424 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:36,424 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:36,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-02-18 15:39:36,424 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:36,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:36,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1332858260, now seen corresponding path program 28 times [2022-02-18 15:39:36,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:36,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722992404] [2022-02-18 15:39:36,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:36,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:36,665 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 15:39:36,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:36,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722992404] [2022-02-18 15:39:36,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722992404] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:36,665 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:36,665 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:36,665 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482438796] [2022-02-18 15:39:36,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:36,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:36,665 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:36,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:36,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:36,666 INFO L87 Difference]: Start difference. First operand 1054 states and 1904 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:37,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:37,244 INFO L93 Difference]: Finished difference Result 1136 states and 2050 transitions. [2022-02-18 15:39:37,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:39:37,245 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:37,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:37,246 INFO L225 Difference]: With dead ends: 1136 [2022-02-18 15:39:37,246 INFO L226 Difference]: Without dead ends: 1136 [2022-02-18 15:39:37,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=328, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:39:37,246 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 246 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:37,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 576 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:37,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-02-18 15:39:37,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1056. [2022-02-18 15:39:37,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1049 states have (on average 1.818875119161106) internal successors, (1908), 1055 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states 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 15:39:37,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1908 transitions. [2022-02-18 15:39:37,255 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1908 transitions. Word has length 115 [2022-02-18 15:39:37,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:37,255 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1908 transitions. [2022-02-18 15:39:37,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1908 transitions. [2022-02-18 15:39:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:37,256 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:37,256 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:37,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-02-18 15:39:37,256 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:37,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:37,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1246401740, now seen corresponding path program 29 times [2022-02-18 15:39:37,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:37,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600566093] [2022-02-18 15:39:37,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:37,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:37,640 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 15:39:37,640 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:37,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600566093] [2022-02-18 15:39:37,641 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600566093] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:37,641 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:37,641 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:37,641 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16343923] [2022-02-18 15:39:37,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:37,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:37,641 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:37,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:37,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:37,641 INFO L87 Difference]: Start difference. First operand 1056 states and 1908 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:37,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:37,913 INFO L93 Difference]: Finished difference Result 1151 states and 2068 transitions. [2022-02-18 15:39:37,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:37,913 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:37,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:37,915 INFO L225 Difference]: With dead ends: 1151 [2022-02-18 15:39:37,915 INFO L226 Difference]: Without dead ends: 1151 [2022-02-18 15:39:37,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:39:37,915 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 122 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:37,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 334 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:39:37,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-02-18 15:39:37,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1060. [2022-02-18 15:39:37,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 1053 states have (on average 1.8195631528964862) internal successors, (1916), 1059 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states 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 15:39:37,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1916 transitions. [2022-02-18 15:39:37,923 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1916 transitions. Word has length 115 [2022-02-18 15:39:37,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:37,923 INFO L470 AbstractCegarLoop]: Abstraction has 1060 states and 1916 transitions. [2022-02-18 15:39:37,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1916 transitions. [2022-02-18 15:39:37,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:37,924 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:37,924 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:37,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-02-18 15:39:37,924 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:37,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:37,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1405122190, now seen corresponding path program 30 times [2022-02-18 15:39:37,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:37,925 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590565270] [2022-02-18 15:39:37,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:37,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:38,381 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 15:39:38,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:38,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590565270] [2022-02-18 15:39:38,381 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590565270] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:38,381 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:38,381 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:38,381 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978943649] [2022-02-18 15:39:38,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:38,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:38,382 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:38,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:38,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:38,382 INFO L87 Difference]: Start difference. First operand 1060 states and 1916 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:38,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:38,685 INFO L93 Difference]: Finished difference Result 1144 states and 2055 transitions. [2022-02-18 15:39:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:38,685 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:38,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:38,686 INFO L225 Difference]: With dead ends: 1144 [2022-02-18 15:39:38,687 INFO L226 Difference]: Without dead ends: 1144 [2022-02-18 15:39:38,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:39:38,687 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 138 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:38,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 360 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:38,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-02-18 15:39:38,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1063. [2022-02-18 15:39:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 1056 states have (on average 1.8200757575757576) internal successors, (1922), 1062 states have internal predecessors, (1922), 0 states have call successors, (0), 0 states 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 15:39:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1922 transitions. [2022-02-18 15:39:38,695 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1922 transitions. Word has length 115 [2022-02-18 15:39:38,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:38,695 INFO L470 AbstractCegarLoop]: Abstraction has 1063 states and 1922 transitions. [2022-02-18 15:39:38,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1922 transitions. [2022-02-18 15:39:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:38,696 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:38,696 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:38,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-02-18 15:39:38,696 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:38,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:38,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1110511506, now seen corresponding path program 31 times [2022-02-18 15:39:38,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:38,696 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973078983] [2022-02-18 15:39:38,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:38,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:39,616 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 15:39:39,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:39,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973078983] [2022-02-18 15:39:39,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973078983] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:39,617 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:39,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:39:39,617 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867213581] [2022-02-18 15:39:39,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:39,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:39:39,617 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:39,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:39:39,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:39:39,617 INFO L87 Difference]: Start difference. First operand 1063 states and 1922 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:40,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:40,955 INFO L93 Difference]: Finished difference Result 1664 states and 3022 transitions. [2022-02-18 15:39:40,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-18 15:39:40,955 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:40,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:40,957 INFO L225 Difference]: With dead ends: 1664 [2022-02-18 15:39:40,957 INFO L226 Difference]: Without dead ends: 1664 [2022-02-18 15:39:40,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=286, Invalid=1046, Unknown=0, NotChecked=0, Total=1332 [2022-02-18 15:39:40,957 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 653 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:40,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [653 Valid, 871 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:39:40,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2022-02-18 15:39:40,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1045. [2022-02-18 15:39:40,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 1038 states have (on average 1.8169556840077072) internal successors, (1886), 1044 states have internal predecessors, (1886), 0 states have call successors, (0), 0 states 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 15:39:40,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1886 transitions. [2022-02-18 15:39:40,967 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1886 transitions. Word has length 115 [2022-02-18 15:39:40,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:40,967 INFO L470 AbstractCegarLoop]: Abstraction has 1045 states and 1886 transitions. [2022-02-18 15:39:40,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:40,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1886 transitions. [2022-02-18 15:39:40,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:40,968 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:40,968 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:40,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-02-18 15:39:40,968 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:40,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:40,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1741080748, now seen corresponding path program 32 times [2022-02-18 15:39:40,969 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:40,969 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151365153] [2022-02-18 15:39:40,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:40,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:41,952 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 15:39:41,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:41,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151365153] [2022-02-18 15:39:41,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151365153] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:41,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:41,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:39:41,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611052423] [2022-02-18 15:39:41,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:41,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:39:41,952 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:41,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:39:41,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:39:41,953 INFO L87 Difference]: Start difference. First operand 1045 states and 1886 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:43,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:43,460 INFO L93 Difference]: Finished difference Result 1643 states and 2983 transitions. [2022-02-18 15:39:43,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-18 15:39:43,461 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:43,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:43,463 INFO L225 Difference]: With dead ends: 1643 [2022-02-18 15:39:43,463 INFO L226 Difference]: Without dead ends: 1643 [2022-02-18 15:39:43,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=305, Invalid=1101, Unknown=0, NotChecked=0, Total=1406 [2022-02-18 15:39:43,463 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 761 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:43,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [761 Valid, 976 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-18 15:39:43,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1643 states. [2022-02-18 15:39:43,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1643 to 1036. [2022-02-18 15:39:43,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1029 states have (on average 1.815354713313897) internal successors, (1868), 1035 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states 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 15:39:43,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1868 transitions. [2022-02-18 15:39:43,474 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1868 transitions. Word has length 115 [2022-02-18 15:39:43,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:43,474 INFO L470 AbstractCegarLoop]: Abstraction has 1036 states and 1868 transitions. [2022-02-18 15:39:43,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:43,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1868 transitions. [2022-02-18 15:39:43,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:43,475 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:43,475 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:43,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-02-18 15:39:43,475 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:43,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:43,475 INFO L85 PathProgramCache]: Analyzing trace with hash -939307692, now seen corresponding path program 33 times [2022-02-18 15:39:43,475 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:43,476 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987028928] [2022-02-18 15:39:43,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:43,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:44,323 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 15:39:44,324 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:44,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987028928] [2022-02-18 15:39:44,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987028928] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:44,324 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:44,324 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:44,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397774836] [2022-02-18 15:39:44,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:44,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:44,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:44,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:44,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:44,325 INFO L87 Difference]: Start difference. First operand 1036 states and 1868 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:44,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:44,952 INFO L93 Difference]: Finished difference Result 1099 states and 1970 transitions. [2022-02-18 15:39:44,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:44,953 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:44,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:44,954 INFO L225 Difference]: With dead ends: 1099 [2022-02-18 15:39:44,954 INFO L226 Difference]: Without dead ends: 1099 [2022-02-18 15:39:44,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:39:44,954 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 167 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:44,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 427 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:44,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2022-02-18 15:39:44,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1035. [2022-02-18 15:39:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1028 states have (on average 1.816147859922179) internal successors, (1867), 1034 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states 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 15:39:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1867 transitions. [2022-02-18 15:39:44,962 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1867 transitions. Word has length 115 [2022-02-18 15:39:44,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:44,962 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1867 transitions. [2022-02-18 15:39:44,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1867 transitions. [2022-02-18 15:39:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-18 15:39:44,963 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:44,963 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, 1, 1, 1, 1, 1] [2022-02-18 15:39:44,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-02-18 15:39:44,963 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:44,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:44,964 INFO L85 PathProgramCache]: Analyzing trace with hash -2051351210, now seen corresponding path program 34 times [2022-02-18 15:39:44,964 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:44,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672155826] [2022-02-18 15:39:44,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:44,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:46,130 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 15:39:46,130 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:46,130 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672155826] [2022-02-18 15:39:46,130 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672155826] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:46,130 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:46,130 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-02-18 15:39:46,130 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433934694] [2022-02-18 15:39:46,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:46,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-18 15:39:46,131 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:46,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-18 15:39:46,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:39:46,131 INFO L87 Difference]: Start difference. First operand 1035 states and 1867 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:47,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:47,480 INFO L93 Difference]: Finished difference Result 1624 states and 2945 transitions. [2022-02-18 15:39:47,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-18 15:39:47,480 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 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 115 [2022-02-18 15:39:47,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:47,482 INFO L225 Difference]: With dead ends: 1624 [2022-02-18 15:39:47,482 INFO L226 Difference]: Without dead ends: 1624 [2022-02-18 15:39:47,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=325, Invalid=1157, Unknown=0, NotChecked=0, Total=1482 [2022-02-18 15:39:47,483 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 746 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:47,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [746 Valid, 664 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:39:47,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2022-02-18 15:39:47,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1002. [2022-02-18 15:39:47,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 995 states have (on average 1.8190954773869348) internal successors, (1810), 1001 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states 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 15:39:47,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1810 transitions. [2022-02-18 15:39:47,492 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1810 transitions. Word has length 115 [2022-02-18 15:39:47,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:47,492 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1810 transitions. [2022-02-18 15:39:47,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states 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 15:39:47,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1810 transitions. [2022-02-18 15:39:47,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:47,493 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:47,493 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:47,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-02-18 15:39:47,493 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:47,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:47,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1742353774, now seen corresponding path program 1 times [2022-02-18 15:39:47,493 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:47,493 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409607233] [2022-02-18 15:39:47,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:47,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:48,001 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 15:39:48,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:48,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409607233] [2022-02-18 15:39:48,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409607233] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:48,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:48,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:48,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633401030] [2022-02-18 15:39:48,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:48,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:48,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:48,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:48,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:48,002 INFO L87 Difference]: Start difference. First operand 1002 states and 1810 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:48,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:48,526 INFO L93 Difference]: Finished difference Result 1714 states and 3122 transitions. [2022-02-18 15:39:48,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:39:48,526 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:39:48,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:48,528 INFO L225 Difference]: With dead ends: 1714 [2022-02-18 15:39:48,528 INFO L226 Difference]: Without dead ends: 1686 [2022-02-18 15:39:48,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:39:48,528 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 292 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:48,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 589 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:48,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-02-18 15:39:48,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1056. [2022-02-18 15:39:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 1049 states have (on average 1.8284080076263107) internal successors, (1918), 1055 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states 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 15:39:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1918 transitions. [2022-02-18 15:39:48,538 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1918 transitions. Word has length 116 [2022-02-18 15:39:48,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:48,538 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1918 transitions. [2022-02-18 15:39:48,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1918 transitions. [2022-02-18 15:39:48,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:48,539 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:48,539 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:48,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-02-18 15:39:48,539 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:48,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:48,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1786362070, now seen corresponding path program 1 times [2022-02-18 15:39:48,539 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:48,539 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246000082] [2022-02-18 15:39:48,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:48,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:48,861 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 15:39:48,861 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:48,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246000082] [2022-02-18 15:39:48,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246000082] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:48,861 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:48,861 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:48,861 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600874740] [2022-02-18 15:39:48,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:48,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:48,862 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:48,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:48,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:48,862 INFO L87 Difference]: Start difference. First operand 1056 states and 1918 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:49,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:49,379 INFO L93 Difference]: Finished difference Result 1819 states and 3278 transitions. [2022-02-18 15:39:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:39:49,379 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:39:49,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:49,381 INFO L225 Difference]: With dead ends: 1819 [2022-02-18 15:39:49,381 INFO L226 Difference]: Without dead ends: 1775 [2022-02-18 15:39:49,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:39:49,381 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 218 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:49,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 739 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:49,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2022-02-18 15:39:49,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1349. [2022-02-18 15:39:49,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 1342 states have (on average 1.8621460506706409) internal successors, (2499), 1348 states have internal predecessors, (2499), 0 states have call successors, (0), 0 states 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 15:39:49,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 2499 transitions. [2022-02-18 15:39:49,393 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 2499 transitions. Word has length 116 [2022-02-18 15:39:49,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:49,393 INFO L470 AbstractCegarLoop]: Abstraction has 1349 states and 2499 transitions. [2022-02-18 15:39:49,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:49,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2499 transitions. [2022-02-18 15:39:49,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:49,395 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:49,395 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:49,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-02-18 15:39:49,395 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:49,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:49,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1082142128, now seen corresponding path program 2 times [2022-02-18 15:39:49,395 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:49,395 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617919443] [2022-02-18 15:39:49,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:49,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:49,768 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 15:39:49,768 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:49,769 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617919443] [2022-02-18 15:39:49,769 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617919443] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:49,769 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:49,769 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:49,769 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183676413] [2022-02-18 15:39:49,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:49,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:49,769 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:49,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:49,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:49,769 INFO L87 Difference]: Start difference. First operand 1349 states and 2499 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:50,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:50,242 INFO L93 Difference]: Finished difference Result 1723 states and 3109 transitions. [2022-02-18 15:39:50,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:39:50,242 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:39:50,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:50,244 INFO L225 Difference]: With dead ends: 1723 [2022-02-18 15:39:50,244 INFO L226 Difference]: Without dead ends: 1690 [2022-02-18 15:39:50,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:39:50,245 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 222 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:50,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 607 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:50,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2022-02-18 15:39:50,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1357. [2022-02-18 15:39:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1350 states have (on average 1.8622222222222222) internal successors, (2514), 1356 states have internal predecessors, (2514), 0 states have call successors, (0), 0 states 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 15:39:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 2514 transitions. [2022-02-18 15:39:50,257 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 2514 transitions. Word has length 116 [2022-02-18 15:39:50,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:50,257 INFO L470 AbstractCegarLoop]: Abstraction has 1357 states and 2514 transitions. [2022-02-18 15:39:50,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:50,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 2514 transitions. [2022-02-18 15:39:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:50,258 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:50,259 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:50,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-02-18 15:39:50,259 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:50,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:50,259 INFO L85 PathProgramCache]: Analyzing trace with hash 304088598, now seen corresponding path program 3 times [2022-02-18 15:39:50,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:50,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981701635] [2022-02-18 15:39:50,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:50,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:50,681 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 15:39:50,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:50,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981701635] [2022-02-18 15:39:50,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981701635] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:50,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:50,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:50,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566760664] [2022-02-18 15:39:50,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:50,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:50,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:50,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:50,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:50,683 INFO L87 Difference]: Start difference. First operand 1357 states and 2514 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:51,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:51,127 INFO L93 Difference]: Finished difference Result 1595 states and 2877 transitions. [2022-02-18 15:39:51,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:39:51,128 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:39:51,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:51,129 INFO L225 Difference]: With dead ends: 1595 [2022-02-18 15:39:51,129 INFO L226 Difference]: Without dead ends: 1573 [2022-02-18 15:39:51,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:39:51,130 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 226 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:51,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 501 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:51,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-02-18 15:39:51,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1361. [2022-02-18 15:39:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1361 states, 1354 states have (on average 1.861890694239291) internal successors, (2521), 1360 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states 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 15:39:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 2521 transitions. [2022-02-18 15:39:51,141 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 2521 transitions. Word has length 116 [2022-02-18 15:39:51,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:51,141 INFO L470 AbstractCegarLoop]: Abstraction has 1361 states and 2521 transitions. [2022-02-18 15:39:51,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:51,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 2521 transitions. [2022-02-18 15:39:51,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:51,142 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:51,142 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:51,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-02-18 15:39:51,142 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:51,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:51,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1840049488, now seen corresponding path program 4 times [2022-02-18 15:39:51,143 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:51,143 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915036687] [2022-02-18 15:39:51,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:51,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:51,653 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 15:39:51,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:51,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915036687] [2022-02-18 15:39:51,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915036687] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:51,653 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:51,653 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:51,653 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388341954] [2022-02-18 15:39:51,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:51,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:51,654 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:51,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:51,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:51,654 INFO L87 Difference]: Start difference. First operand 1361 states and 2521 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:52,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:52,152 INFO L93 Difference]: Finished difference Result 1520 states and 2748 transitions. [2022-02-18 15:39:52,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:39:52,152 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:39:52,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:52,153 INFO L225 Difference]: With dead ends: 1520 [2022-02-18 15:39:52,153 INFO L226 Difference]: Without dead ends: 1478 [2022-02-18 15:39:52,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:39:52,154 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 184 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:52,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 483 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:52,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2022-02-18 15:39:52,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1335. [2022-02-18 15:39:52,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 1328 states have (on average 1.8561746987951808) internal successors, (2465), 1334 states have internal predecessors, (2465), 0 states have call successors, (0), 0 states 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 15:39:52,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 2465 transitions. [2022-02-18 15:39:52,164 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 2465 transitions. Word has length 116 [2022-02-18 15:39:52,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:52,164 INFO L470 AbstractCegarLoop]: Abstraction has 1335 states and 2465 transitions. [2022-02-18 15:39:52,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 2465 transitions. [2022-02-18 15:39:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:52,165 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:52,165 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:52,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-02-18 15:39:52,165 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:52,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:52,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1602431647, now seen corresponding path program 1 times [2022-02-18 15:39:52,166 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:52,166 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998103764] [2022-02-18 15:39:52,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:52,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:52,259 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 15:39:52,259 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:52,259 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998103764] [2022-02-18 15:39:52,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998103764] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:52,259 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:52,259 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 15:39:52,259 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902507372] [2022-02-18 15:39:52,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:52,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 15:39:52,259 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:52,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 15:39:52,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-18 15:39:52,260 INFO L87 Difference]: Start difference. First operand 1335 states and 2465 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:52,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:52,491 INFO L93 Difference]: Finished difference Result 1564 states and 2874 transitions. [2022-02-18 15:39:52,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:39:52,492 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:39:52,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:52,493 INFO L225 Difference]: With dead ends: 1564 [2022-02-18 15:39:52,493 INFO L226 Difference]: Without dead ends: 1532 [2022-02-18 15:39:52,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:39:52,493 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 204 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:52,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 453 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:39:52,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-02-18 15:39:52,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1378. [2022-02-18 15:39:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1371 states have (on average 1.8570386579139315) internal successors, (2546), 1377 states have internal predecessors, (2546), 0 states have call successors, (0), 0 states 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 15:39:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 2546 transitions. [2022-02-18 15:39:52,504 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 2546 transitions. Word has length 116 [2022-02-18 15:39:52,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:52,504 INFO L470 AbstractCegarLoop]: Abstraction has 1378 states and 2546 transitions. [2022-02-18 15:39:52,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:52,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2546 transitions. [2022-02-18 15:39:52,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:52,505 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:52,506 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:52,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-02-18 15:39:52,506 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:52,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:52,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1515051637, now seen corresponding path program 2 times [2022-02-18 15:39:52,506 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:52,506 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882223665] [2022-02-18 15:39:52,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:52,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:39:52,798 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:52,799 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882223665] [2022-02-18 15:39:52,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882223665] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:52,799 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:52,799 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:52,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911892694] [2022-02-18 15:39:52,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:52,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:52,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:52,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:52,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:52,799 INFO L87 Difference]: Start difference. First operand 1378 states and 2546 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:53,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:53,324 INFO L93 Difference]: Finished difference Result 2677 states and 4898 transitions. [2022-02-18 15:39:53,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:39:53,324 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:39:53,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:53,327 INFO L225 Difference]: With dead ends: 2677 [2022-02-18 15:39:53,327 INFO L226 Difference]: Without dead ends: 2625 [2022-02-18 15:39:53,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:39:53,328 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 227 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:53,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 537 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:53,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2022-02-18 15:39:53,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 1746. [2022-02-18 15:39:53,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 1739 states have (on average 1.875215641173088) internal successors, (3261), 1745 states have internal predecessors, (3261), 0 states have call successors, (0), 0 states 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 15:39:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 3261 transitions. [2022-02-18 15:39:53,344 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 3261 transitions. Word has length 116 [2022-02-18 15:39:53,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:53,344 INFO L470 AbstractCegarLoop]: Abstraction has 1746 states and 3261 transitions. [2022-02-18 15:39:53,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 3261 transitions. [2022-02-18 15:39:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:53,346 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:53,346 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:53,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2022-02-18 15:39:53,346 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:53,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:53,346 INFO L85 PathProgramCache]: Analyzing trace with hash 264244723, now seen corresponding path program 3 times [2022-02-18 15:39:53,346 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:53,346 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990495896] [2022-02-18 15:39:53,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:53,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:53,686 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 15:39:53,686 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:53,686 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990495896] [2022-02-18 15:39:53,686 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990495896] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:53,686 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:53,686 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:53,686 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520110023] [2022-02-18 15:39:53,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:53,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:53,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:53,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:53,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:53,687 INFO L87 Difference]: Start difference. First operand 1746 states and 3261 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:54,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:54,156 INFO L93 Difference]: Finished difference Result 2063 states and 3758 transitions. [2022-02-18 15:39:54,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:54,156 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:39:54,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:54,158 INFO L225 Difference]: With dead ends: 2063 [2022-02-18 15:39:54,158 INFO L226 Difference]: Without dead ends: 1974 [2022-02-18 15:39:54,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:39:54,158 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 188 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:54,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 632 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:54,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2022-02-18 15:39:54,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1378. [2022-02-18 15:39:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1371 states have (on average 1.849744711889132) internal successors, (2536), 1377 states have internal predecessors, (2536), 0 states have call successors, (0), 0 states 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 15:39:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 2536 transitions. [2022-02-18 15:39:54,170 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 2536 transitions. Word has length 116 [2022-02-18 15:39:54,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:54,170 INFO L470 AbstractCegarLoop]: Abstraction has 1378 states and 2536 transitions. [2022-02-18 15:39:54,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:54,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2536 transitions. [2022-02-18 15:39:54,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:54,171 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:54,171 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:54,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2022-02-18 15:39:54,172 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:54,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:54,172 INFO L85 PathProgramCache]: Analyzing trace with hash -853166091, now seen corresponding path program 4 times [2022-02-18 15:39:54,172 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:54,172 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393963886] [2022-02-18 15:39:54,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:54,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:54,593 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 15:39:54,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:54,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393963886] [2022-02-18 15:39:54,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393963886] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:54,594 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:54,594 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:54,594 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272461296] [2022-02-18 15:39:54,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:54,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:54,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:54,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:54,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:54,595 INFO L87 Difference]: Start difference. First operand 1378 states and 2536 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:54,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:54,996 INFO L93 Difference]: Finished difference Result 1589 states and 2845 transitions. [2022-02-18 15:39:54,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:39:54,996 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:39:54,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:54,998 INFO L225 Difference]: With dead ends: 1589 [2022-02-18 15:39:54,998 INFO L226 Difference]: Without dead ends: 1543 [2022-02-18 15:39:54,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:39:54,998 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 212 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:54,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 439 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:55,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2022-02-18 15:39:55,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1364. [2022-02-18 15:39:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 1357 states have (on average 1.847457627118644) internal successors, (2507), 1363 states have internal predecessors, (2507), 0 states have call successors, (0), 0 states 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 15:39:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2507 transitions. [2022-02-18 15:39:55,009 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2507 transitions. Word has length 116 [2022-02-18 15:39:55,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:55,009 INFO L470 AbstractCegarLoop]: Abstraction has 1364 states and 2507 transitions. [2022-02-18 15:39:55,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2507 transitions. [2022-02-18 15:39:55,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:55,010 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:55,010 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:55,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2022-02-18 15:39:55,011 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:55,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:55,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1978558349, now seen corresponding path program 5 times [2022-02-18 15:39:55,011 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:55,011 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086540483] [2022-02-18 15:39:55,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:55,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:55,695 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 15:39:55,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:55,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086540483] [2022-02-18 15:39:55,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086540483] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:55,696 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:55,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:39:55,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507592016] [2022-02-18 15:39:55,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:55,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:39:55,696 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:55,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:39:55,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:39:55,697 INFO L87 Difference]: Start difference. First operand 1364 states and 2507 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:56,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:56,518 INFO L93 Difference]: Finished difference Result 1512 states and 2715 transitions. [2022-02-18 15:39:56,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:39:56,518 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:39:56,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:56,520 INFO L225 Difference]: With dead ends: 1512 [2022-02-18 15:39:56,520 INFO L226 Difference]: Without dead ends: 1260 [2022-02-18 15:39:56,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:39:56,520 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 183 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:56,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 628 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:39:56,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2022-02-18 15:39:56,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1150. [2022-02-18 15:39:56,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1150 states, 1143 states have (on average 1.8127734033245844) internal successors, (2072), 1149 states have internal predecessors, (2072), 0 states have call successors, (0), 0 states 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 15:39:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 2072 transitions. [2022-02-18 15:39:56,529 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 2072 transitions. Word has length 116 [2022-02-18 15:39:56,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:56,529 INFO L470 AbstractCegarLoop]: Abstraction has 1150 states and 2072 transitions. [2022-02-18 15:39:56,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:56,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 2072 transitions. [2022-02-18 15:39:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:56,530 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:56,530 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:56,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2022-02-18 15:39:56,530 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:56,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:56,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1361020946, now seen corresponding path program 2 times [2022-02-18 15:39:56,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:56,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255024272] [2022-02-18 15:39:56,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:56,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:57,549 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 15:39:57,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:57,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255024272] [2022-02-18 15:39:57,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255024272] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:57,549 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:57,549 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:57,549 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238444128] [2022-02-18 15:39:57,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:57,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:57,550 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:57,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:57,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:57,550 INFO L87 Difference]: Start difference. First operand 1150 states and 2072 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:58,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:58,091 INFO L93 Difference]: Finished difference Result 1275 states and 2258 transitions. [2022-02-18 15:39:58,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:39:58,091 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:39:58,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:58,092 INFO L225 Difference]: With dead ends: 1275 [2022-02-18 15:39:58,092 INFO L226 Difference]: Without dead ends: 1250 [2022-02-18 15:39:58,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:39:58,093 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 166 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:58,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 606 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:39:58,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2022-02-18 15:39:58,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1151. [2022-02-18 15:39:58,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 1144 states have (on average 1.812062937062937) internal successors, (2073), 1150 states have internal predecessors, (2073), 0 states have call successors, (0), 0 states 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 15:39:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 2073 transitions. [2022-02-18 15:39:58,102 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 2073 transitions. Word has length 116 [2022-02-18 15:39:58,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:58,102 INFO L470 AbstractCegarLoop]: Abstraction has 1151 states and 2073 transitions. [2022-02-18 15:39:58,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:58,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2073 transitions. [2022-02-18 15:39:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:58,103 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:58,103 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:58,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2022-02-18 15:39:58,103 INFO L402 AbstractCegarLoop]: === Iteration 211 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:58,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:58,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1954156579, now seen corresponding path program 6 times [2022-02-18 15:39:58,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:58,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754960168] [2022-02-18 15:39:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:58,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:58,391 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 15:39:58,392 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:58,392 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754960168] [2022-02-18 15:39:58,392 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754960168] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:58,392 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:58,392 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:58,392 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906917105] [2022-02-18 15:39:58,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:58,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:58,392 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:58,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:58,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:58,393 INFO L87 Difference]: Start difference. First operand 1151 states and 2073 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:59,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:39:59,163 INFO L93 Difference]: Finished difference Result 1423 states and 2505 transitions. [2022-02-18 15:39:59,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-18 15:39:59,163 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:39:59,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:39:59,164 INFO L225 Difference]: With dead ends: 1423 [2022-02-18 15:39:59,164 INFO L226 Difference]: Without dead ends: 1387 [2022-02-18 15:39:59,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-02-18 15:39:59,165 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 258 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:39:59,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 933 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:39:59,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2022-02-18 15:39:59,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1171. [2022-02-18 15:39:59,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 1164 states have (on average 1.8101374570446735) internal successors, (2107), 1170 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states 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 15:39:59,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 2107 transitions. [2022-02-18 15:39:59,185 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 2107 transitions. Word has length 116 [2022-02-18 15:39:59,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:39:59,186 INFO L470 AbstractCegarLoop]: Abstraction has 1171 states and 2107 transitions. [2022-02-18 15:39:59,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:39:59,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2107 transitions. [2022-02-18 15:39:59,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:39:59,187 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:39:59,187 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:39:59,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2022-02-18 15:39:59,187 INFO L402 AbstractCegarLoop]: === Iteration 212 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:39:59,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:39:59,188 INFO L85 PathProgramCache]: Analyzing trace with hash -426721413, now seen corresponding path program 7 times [2022-02-18 15:39:59,188 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:39:59,188 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681752258] [2022-02-18 15:39:59,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:39:59,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:39:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:39:59,621 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 15:39:59,621 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:39:59,621 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681752258] [2022-02-18 15:39:59,621 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681752258] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:39:59,621 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:39:59,621 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:39:59,621 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625299523] [2022-02-18 15:39:59,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:39:59,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:39:59,622 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:39:59,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:39:59,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:39:59,622 INFO L87 Difference]: Start difference. First operand 1171 states and 2107 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:00,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:00,113 INFO L93 Difference]: Finished difference Result 1554 states and 2724 transitions. [2022-02-18 15:40:00,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:00,113 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:00,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:00,115 INFO L225 Difference]: With dead ends: 1554 [2022-02-18 15:40:00,115 INFO L226 Difference]: Without dead ends: 1520 [2022-02-18 15:40:00,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:40:00,115 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 166 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:00,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 554 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:00,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2022-02-18 15:40:00,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1206. [2022-02-18 15:40:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1206 states, 1199 states have (on average 1.8123436196830691) internal successors, (2173), 1205 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states 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 15:40:00,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 2173 transitions. [2022-02-18 15:40:00,124 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 2173 transitions. Word has length 116 [2022-02-18 15:40:00,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:00,125 INFO L470 AbstractCegarLoop]: Abstraction has 1206 states and 2173 transitions. [2022-02-18 15:40:00,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 2173 transitions. [2022-02-18 15:40:00,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:00,126 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:00,126 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:00,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2022-02-18 15:40:00,126 INFO L402 AbstractCegarLoop]: === Iteration 213 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:00,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:00,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1019584619, now seen corresponding path program 8 times [2022-02-18 15:40:00,126 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:00,126 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604205823] [2022-02-18 15:40:00,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:00,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:01,150 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 15:40:01,150 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:01,150 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604205823] [2022-02-18 15:40:01,150 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604205823] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:01,150 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:01,150 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 15:40:01,150 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487624889] [2022-02-18 15:40:01,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:01,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:40:01,151 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:01,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:40:01,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:40:01,151 INFO L87 Difference]: Start difference. First operand 1206 states and 2173 transitions. Second operand has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:02,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:02,382 INFO L93 Difference]: Finished difference Result 1489 states and 2623 transitions. [2022-02-18 15:40:02,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 15:40:02,382 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:02,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:02,384 INFO L225 Difference]: With dead ends: 1489 [2022-02-18 15:40:02,384 INFO L226 Difference]: Without dead ends: 1463 [2022-02-18 15:40:02,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=233, Invalid=889, Unknown=0, NotChecked=0, Total=1122 [2022-02-18 15:40:02,384 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 536 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:02,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [536 Valid, 1196 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-18 15:40:02,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2022-02-18 15:40:02,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1259. [2022-02-18 15:40:02,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 1252 states have (on average 1.8099041533546325) internal successors, (2266), 1258 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 15:40:02,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 2266 transitions. [2022-02-18 15:40:02,394 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 2266 transitions. Word has length 116 [2022-02-18 15:40:02,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:02,394 INFO L470 AbstractCegarLoop]: Abstraction has 1259 states and 2266 transitions. [2022-02-18 15:40:02,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:02,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 2266 transitions. [2022-02-18 15:40:02,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:02,395 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:02,395 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:02,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2022-02-18 15:40:02,395 INFO L402 AbstractCegarLoop]: === Iteration 214 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:02,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:02,396 INFO L85 PathProgramCache]: Analyzing trace with hash -476588007, now seen corresponding path program 9 times [2022-02-18 15:40:02,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:02,396 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169035260] [2022-02-18 15:40:02,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:02,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:02,991 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 15:40:02,991 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:02,992 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169035260] [2022-02-18 15:40:02,992 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169035260] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:02,992 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:02,992 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:02,992 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583596919] [2022-02-18 15:40:02,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:02,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:02,992 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:02,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:02,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:02,992 INFO L87 Difference]: Start difference. First operand 1259 states and 2266 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:03,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:03,460 INFO L93 Difference]: Finished difference Result 1500 states and 2645 transitions. [2022-02-18 15:40:03,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:03,460 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:03,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:03,462 INFO L225 Difference]: With dead ends: 1500 [2022-02-18 15:40:03,462 INFO L226 Difference]: Without dead ends: 1360 [2022-02-18 15:40:03,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:40:03,462 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 172 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:03,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 532 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:03,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2022-02-18 15:40:03,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1172. [2022-02-18 15:40:03,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1165 states have (on average 1.809442060085837) internal successors, (2108), 1171 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states 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 15:40:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 2108 transitions. [2022-02-18 15:40:03,471 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 2108 transitions. Word has length 116 [2022-02-18 15:40:03,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:03,472 INFO L470 AbstractCegarLoop]: Abstraction has 1172 states and 2108 transitions. [2022-02-18 15:40:03,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:03,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 2108 transitions. [2022-02-18 15:40:03,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:03,473 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:03,473 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:03,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2022-02-18 15:40:03,473 INFO L402 AbstractCegarLoop]: === Iteration 215 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:03,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:03,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1450601971, now seen corresponding path program 10 times [2022-02-18 15:40:03,473 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:03,473 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143598046] [2022-02-18 15:40:03,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:03,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:04,227 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 15:40:04,227 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:04,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143598046] [2022-02-18 15:40:04,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143598046] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:04,227 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:04,227 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:04,227 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015463482] [2022-02-18 15:40:04,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:04,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:04,227 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:04,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:04,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:04,228 INFO L87 Difference]: Start difference. First operand 1172 states and 2108 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:04,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:04,682 INFO L93 Difference]: Finished difference Result 1400 states and 2468 transitions. [2022-02-18 15:40:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:04,683 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:04,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:04,684 INFO L225 Difference]: With dead ends: 1400 [2022-02-18 15:40:04,684 INFO L226 Difference]: Without dead ends: 1325 [2022-02-18 15:40:04,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:40:04,684 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 157 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:04,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 514 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:04,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2022-02-18 15:40:04,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1173. [2022-02-18 15:40:04,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1166 states have (on average 1.8087478559176673) internal successors, (2109), 1172 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states 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 15:40:04,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 2109 transitions. [2022-02-18 15:40:04,694 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 2109 transitions. Word has length 116 [2022-02-18 15:40:04,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:04,694 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 2109 transitions. [2022-02-18 15:40:04,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:04,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2109 transitions. [2022-02-18 15:40:04,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:04,695 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:04,695 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:04,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2022-02-18 15:40:04,695 INFO L402 AbstractCegarLoop]: === Iteration 216 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:04,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:04,695 INFO L85 PathProgramCache]: Analyzing trace with hash 535762931, now seen corresponding path program 11 times [2022-02-18 15:40:04,696 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:04,696 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273640166] [2022-02-18 15:40:04,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:04,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:06,021 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 15:40:06,021 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:06,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273640166] [2022-02-18 15:40:06,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273640166] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:06,021 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:06,021 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:40:06,022 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807019793] [2022-02-18 15:40:06,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:06,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:40:06,022 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:06,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:40:06,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:40:06,022 INFO L87 Difference]: Start difference. First operand 1173 states and 2109 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:06,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:06,475 INFO L93 Difference]: Finished difference Result 1228 states and 2179 transitions. [2022-02-18 15:40:06,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:40:06,475 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:06,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:06,477 INFO L225 Difference]: With dead ends: 1228 [2022-02-18 15:40:06,477 INFO L226 Difference]: Without dead ends: 1202 [2022-02-18 15:40:06,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:40:06,477 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 90 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:06,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 443 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:40:06,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-02-18 15:40:06,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1174. [2022-02-18 15:40:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 1167 states have (on average 1.8080548414738646) internal successors, (2110), 1173 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states 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 15:40:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 2110 transitions. [2022-02-18 15:40:06,486 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 2110 transitions. Word has length 116 [2022-02-18 15:40:06,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:06,486 INFO L470 AbstractCegarLoop]: Abstraction has 1174 states and 2110 transitions. [2022-02-18 15:40:06,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 2110 transitions. [2022-02-18 15:40:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:06,487 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:06,487 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:06,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2022-02-18 15:40:06,488 INFO L402 AbstractCegarLoop]: === Iteration 217 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:06,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:06,488 INFO L85 PathProgramCache]: Analyzing trace with hash 422152241, now seen corresponding path program 12 times [2022-02-18 15:40:06,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:06,488 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073655359] [2022-02-18 15:40:06,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:06,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:07,339 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 15:40:07,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:07,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073655359] [2022-02-18 15:40:07,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073655359] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:07,340 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:07,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:07,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973948210] [2022-02-18 15:40:07,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:07,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:07,340 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:07,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:07,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:07,340 INFO L87 Difference]: Start difference. First operand 1174 states and 2110 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:07,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:07,931 INFO L93 Difference]: Finished difference Result 1308 states and 2312 transitions. [2022-02-18 15:40:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:07,931 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:07,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:07,933 INFO L225 Difference]: With dead ends: 1308 [2022-02-18 15:40:07,933 INFO L226 Difference]: Without dead ends: 1244 [2022-02-18 15:40:07,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:40:07,933 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 120 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:07,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 747 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:07,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-02-18 15:40:07,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1160. [2022-02-18 15:40:07,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1153 states have (on average 1.8091934084995664) internal successors, (2086), 1159 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 15:40:07,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 2086 transitions. [2022-02-18 15:40:07,942 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 2086 transitions. Word has length 116 [2022-02-18 15:40:07,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:07,942 INFO L470 AbstractCegarLoop]: Abstraction has 1160 states and 2086 transitions. [2022-02-18 15:40:07,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 2086 transitions. [2022-02-18 15:40:07,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:07,943 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:07,943 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:07,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2022-02-18 15:40:07,943 INFO L402 AbstractCegarLoop]: === Iteration 218 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:07,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:07,944 INFO L85 PathProgramCache]: Analyzing trace with hash 175830382, now seen corresponding path program 3 times [2022-02-18 15:40:07,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:07,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921912713] [2022-02-18 15:40:07,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:07,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:08,829 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 15:40:08,829 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:08,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921912713] [2022-02-18 15:40:08,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921912713] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:08,830 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:08,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:08,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062587436] [2022-02-18 15:40:08,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:08,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:08,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:08,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:08,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:08,830 INFO L87 Difference]: Start difference. First operand 1160 states and 2086 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:09,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:09,408 INFO L93 Difference]: Finished difference Result 1292 states and 2276 transitions. [2022-02-18 15:40:09,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:40:09,408 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:09,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:09,409 INFO L225 Difference]: With dead ends: 1292 [2022-02-18 15:40:09,409 INFO L226 Difference]: Without dead ends: 1217 [2022-02-18 15:40:09,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:40:09,410 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 171 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:09,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 684 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:09,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2022-02-18 15:40:09,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1123. [2022-02-18 15:40:09,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 1116 states have (on average 1.8028673835125448) internal successors, (2012), 1122 states have internal predecessors, (2012), 0 states have call successors, (0), 0 states 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 15:40:09,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 2012 transitions. [2022-02-18 15:40:09,418 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 2012 transitions. Word has length 116 [2022-02-18 15:40:09,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:09,418 INFO L470 AbstractCegarLoop]: Abstraction has 1123 states and 2012 transitions. [2022-02-18 15:40:09,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2012 transitions. [2022-02-18 15:40:09,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:09,419 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:09,419 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:09,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2022-02-18 15:40:09,420 INFO L402 AbstractCegarLoop]: === Iteration 219 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:09,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:09,420 INFO L85 PathProgramCache]: Analyzing trace with hash 566339014, now seen corresponding path program 4 times [2022-02-18 15:40:09,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:09,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311075608] [2022-02-18 15:40:09,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:09,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:10,348 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 15:40:10,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:10,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311075608] [2022-02-18 15:40:10,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311075608] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:10,348 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:10,348 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:10,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916153632] [2022-02-18 15:40:10,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:10,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:10,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:10,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:10,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:10,349 INFO L87 Difference]: Start difference. First operand 1123 states and 2012 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:10,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:10,908 INFO L93 Difference]: Finished difference Result 1209 states and 2138 transitions. [2022-02-18 15:40:10,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:40:10,909 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:10,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:10,910 INFO L225 Difference]: With dead ends: 1209 [2022-02-18 15:40:10,910 INFO L226 Difference]: Without dead ends: 1180 [2022-02-18 15:40:10,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:40:10,911 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 165 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:10,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 594 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:10,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2022-02-18 15:40:10,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1122. [2022-02-18 15:40:10,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 1115 states have (on average 1.8026905829596414) internal successors, (2010), 1121 states have internal predecessors, (2010), 0 states have call successors, (0), 0 states 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 15:40:10,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 2010 transitions. [2022-02-18 15:40:10,919 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 2010 transitions. Word has length 116 [2022-02-18 15:40:10,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:10,919 INFO L470 AbstractCegarLoop]: Abstraction has 1122 states and 2010 transitions. [2022-02-18 15:40:10,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:10,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2010 transitions. [2022-02-18 15:40:10,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:10,920 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:10,920 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:10,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2022-02-18 15:40:10,920 INFO L402 AbstractCegarLoop]: === Iteration 220 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:10,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:10,921 INFO L85 PathProgramCache]: Analyzing trace with hash 373201338, now seen corresponding path program 5 times [2022-02-18 15:40:10,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:10,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980750482] [2022-02-18 15:40:10,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:10,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:11,732 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 15:40:11,732 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:11,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980750482] [2022-02-18 15:40:11,732 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980750482] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:11,732 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:11,732 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:11,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448588711] [2022-02-18 15:40:11,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:11,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:11,733 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:11,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:11,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:11,733 INFO L87 Difference]: Start difference. First operand 1122 states and 2010 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:12,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:12,259 INFO L93 Difference]: Finished difference Result 1178 states and 2101 transitions. [2022-02-18 15:40:12,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:12,260 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:12,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:12,261 INFO L225 Difference]: With dead ends: 1178 [2022-02-18 15:40:12,261 INFO L226 Difference]: Without dead ends: 1150 [2022-02-18 15:40:12,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:40:12,261 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 164 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:12,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 774 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:12,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-02-18 15:40:12,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1101. [2022-02-18 15:40:12,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 1094 states have (on average 1.8162705667276051) internal successors, (1987), 1100 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states 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 15:40:12,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1987 transitions. [2022-02-18 15:40:12,269 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1987 transitions. Word has length 116 [2022-02-18 15:40:12,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:12,270 INFO L470 AbstractCegarLoop]: Abstraction has 1101 states and 1987 transitions. [2022-02-18 15:40:12,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1987 transitions. [2022-02-18 15:40:12,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:12,270 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:12,271 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:12,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2022-02-18 15:40:12,271 INFO L402 AbstractCegarLoop]: === Iteration 221 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:12,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:12,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1361553491, now seen corresponding path program 13 times [2022-02-18 15:40:12,271 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:12,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570923290] [2022-02-18 15:40:12,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:12,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:12,646 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 15:40:12,646 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:12,646 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570923290] [2022-02-18 15:40:12,646 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570923290] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:12,646 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:12,647 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:12,647 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920414262] [2022-02-18 15:40:12,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:12,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:12,647 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:12,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:12,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:12,647 INFO L87 Difference]: Start difference. First operand 1101 states and 1987 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:13,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:13,098 INFO L93 Difference]: Finished difference Result 1380 states and 2424 transitions. [2022-02-18 15:40:13,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:13,098 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:13,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:13,099 INFO L225 Difference]: With dead ends: 1380 [2022-02-18 15:40:13,099 INFO L226 Difference]: Without dead ends: 1346 [2022-02-18 15:40:13,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:40:13,100 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 181 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:13,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 619 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:13,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2022-02-18 15:40:13,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1105. [2022-02-18 15:40:13,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1098 states have (on average 1.8169398907103824) internal successors, (1995), 1104 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states 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 15:40:13,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1995 transitions. [2022-02-18 15:40:13,109 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1995 transitions. Word has length 116 [2022-02-18 15:40:13,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:13,109 INFO L470 AbstractCegarLoop]: Abstraction has 1105 states and 1995 transitions. [2022-02-18 15:40:13,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1995 transitions. [2022-02-18 15:40:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:13,110 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:13,110 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:13,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2022-02-18 15:40:13,110 INFO L402 AbstractCegarLoop]: === Iteration 222 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:13,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:13,110 INFO L85 PathProgramCache]: Analyzing trace with hash 768690285, now seen corresponding path program 14 times [2022-02-18 15:40:13,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:13,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365047752] [2022-02-18 15:40:13,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:13,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:13,556 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 15:40:13,557 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:13,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365047752] [2022-02-18 15:40:13,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365047752] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:13,557 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:13,557 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:13,557 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071974113] [2022-02-18 15:40:13,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:13,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:13,557 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:13,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:13,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:13,558 INFO L87 Difference]: Start difference. First operand 1105 states and 1995 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:13,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:13,982 INFO L93 Difference]: Finished difference Result 1308 states and 2301 transitions. [2022-02-18 15:40:13,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:13,982 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:13,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:13,984 INFO L225 Difference]: With dead ends: 1308 [2022-02-18 15:40:13,984 INFO L226 Difference]: Without dead ends: 1282 [2022-02-18 15:40:13,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:40:13,984 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 187 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:13,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 471 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:13,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-02-18 15:40:13,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1108. [2022-02-18 15:40:13,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1101 states have (on average 1.8174386920980927) internal successors, (2001), 1107 states have internal predecessors, (2001), 0 states have call successors, (0), 0 states 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 15:40:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 2001 transitions. [2022-02-18 15:40:13,993 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 2001 transitions. Word has length 116 [2022-02-18 15:40:13,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:13,994 INFO L470 AbstractCegarLoop]: Abstraction has 1108 states and 2001 transitions. [2022-02-18 15:40:13,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2001 transitions. [2022-02-18 15:40:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:13,995 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:13,995 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:13,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2022-02-18 15:40:13,995 INFO L402 AbstractCegarLoop]: === Iteration 223 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:13,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:13,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1311686897, now seen corresponding path program 15 times [2022-02-18 15:40:13,995 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:13,995 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968082152] [2022-02-18 15:40:13,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:13,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:14,794 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 15:40:14,794 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:14,794 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968082152] [2022-02-18 15:40:14,794 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968082152] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:14,794 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:14,794 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:40:14,794 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228285948] [2022-02-18 15:40:14,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:14,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:40:14,795 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:14,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:40:14,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:40:14,795 INFO L87 Difference]: Start difference. First operand 1108 states and 2001 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:15,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:15,663 INFO L93 Difference]: Finished difference Result 1383 states and 2452 transitions. [2022-02-18 15:40:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:40:15,664 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:15,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:15,665 INFO L225 Difference]: With dead ends: 1383 [2022-02-18 15:40:15,665 INFO L226 Difference]: Without dead ends: 1308 [2022-02-18 15:40:15,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:40:15,665 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 155 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:15,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 638 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:15,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-02-18 15:40:15,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1117. [2022-02-18 15:40:15,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 1110 states have (on average 1.818018018018018) internal successors, (2018), 1116 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states 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 15:40:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 2018 transitions. [2022-02-18 15:40:15,674 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 2018 transitions. Word has length 116 [2022-02-18 15:40:15,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:15,674 INFO L470 AbstractCegarLoop]: Abstraction has 1117 states and 2018 transitions. [2022-02-18 15:40:15,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:15,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 2018 transitions. [2022-02-18 15:40:15,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:15,675 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:15,675 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:15,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2022-02-18 15:40:15,676 INFO L402 AbstractCegarLoop]: === Iteration 224 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:15,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:15,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1056090421, now seen corresponding path program 16 times [2022-02-18 15:40:15,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:15,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556555931] [2022-02-18 15:40:15,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:15,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:16,237 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 15:40:16,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:16,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556555931] [2022-02-18 15:40:16,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556555931] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:16,238 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:16,238 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:16,238 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469962427] [2022-02-18 15:40:16,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:16,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:16,238 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:16,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:16,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:16,239 INFO L87 Difference]: Start difference. First operand 1117 states and 2018 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:16,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:16,891 INFO L93 Difference]: Finished difference Result 1402 states and 2464 transitions. [2022-02-18 15:40:16,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:40:16,892 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:16,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:16,893 INFO L225 Difference]: With dead ends: 1402 [2022-02-18 15:40:16,893 INFO L226 Difference]: Without dead ends: 1327 [2022-02-18 15:40:16,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:40:16,893 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 178 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:16,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 652 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:16,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2022-02-18 15:40:16,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1118. [2022-02-18 15:40:16,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1118 states, 1111 states have (on average 1.8172817281728173) internal successors, (2019), 1117 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states 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 15:40:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 2019 transitions. [2022-02-18 15:40:16,903 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 2019 transitions. Word has length 116 [2022-02-18 15:40:16,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:16,903 INFO L470 AbstractCegarLoop]: Abstraction has 1118 states and 2019 transitions. [2022-02-18 15:40:16,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 2019 transitions. [2022-02-18 15:40:16,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:16,904 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:16,904 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:16,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2022-02-18 15:40:16,904 INFO L402 AbstractCegarLoop]: === Iteration 225 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:16,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:16,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1970929461, now seen corresponding path program 17 times [2022-02-18 15:40:16,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:16,904 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673671643] [2022-02-18 15:40:16,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:16,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:17,678 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:40:17,679 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:17,679 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673671643] [2022-02-18 15:40:17,679 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673671643] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:17,679 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:17,679 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:17,679 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126232221] [2022-02-18 15:40:17,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:17,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:17,679 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:17,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:17,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:17,683 INFO L87 Difference]: Start difference. First operand 1118 states and 2019 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:18,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:18,433 INFO L93 Difference]: Finished difference Result 1308 states and 2305 transitions. [2022-02-18 15:40:18,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-18 15:40:18,434 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:18,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:18,435 INFO L225 Difference]: With dead ends: 1308 [2022-02-18 15:40:18,435 INFO L226 Difference]: Without dead ends: 1282 [2022-02-18 15:40:18,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-02-18 15:40:18,436 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 183 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:18,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 608 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:18,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-02-18 15:40:18,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1119. [2022-02-18 15:40:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1112 states have (on average 1.816546762589928) internal successors, (2020), 1118 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states 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 15:40:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 2020 transitions. [2022-02-18 15:40:18,445 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 2020 transitions. Word has length 116 [2022-02-18 15:40:18,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:18,445 INFO L470 AbstractCegarLoop]: Abstraction has 1119 states and 2020 transitions. [2022-02-18 15:40:18,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2020 transitions. [2022-02-18 15:40:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:18,446 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:18,446 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:18,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2022-02-18 15:40:18,446 INFO L402 AbstractCegarLoop]: === Iteration 226 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:18,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:18,446 INFO L85 PathProgramCache]: Analyzing trace with hash -2084540151, now seen corresponding path program 18 times [2022-02-18 15:40:18,446 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:18,446 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126976220] [2022-02-18 15:40:18,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:18,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:19,190 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:40:19,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:19,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126976220] [2022-02-18 15:40:19,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126976220] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:19,190 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:19,190 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:19,190 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518933111] [2022-02-18 15:40:19,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:19,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:19,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:19,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:19,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:19,191 INFO L87 Difference]: Start difference. First operand 1119 states and 2020 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:19,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:19,886 INFO L93 Difference]: Finished difference Result 1310 states and 2308 transitions. [2022-02-18 15:40:19,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:40:19,886 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:19,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:19,888 INFO L225 Difference]: With dead ends: 1310 [2022-02-18 15:40:19,888 INFO L226 Difference]: Without dead ends: 1257 [2022-02-18 15:40:19,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2022-02-18 15:40:19,888 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 155 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:19,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 668 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:19,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2022-02-18 15:40:19,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1116. [2022-02-18 15:40:19,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1109 states have (on average 1.8169522091974752) internal successors, (2015), 1115 states have internal predecessors, (2015), 0 states have call successors, (0), 0 states 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 15:40:19,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 2015 transitions. [2022-02-18 15:40:19,897 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 2015 transitions. Word has length 116 [2022-02-18 15:40:19,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:19,898 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 2015 transitions. [2022-02-18 15:40:19,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:19,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 2015 transitions. [2022-02-18 15:40:19,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:19,899 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:19,899 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:19,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2022-02-18 15:40:19,899 INFO L402 AbstractCegarLoop]: === Iteration 227 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:19,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:19,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1641324963, now seen corresponding path program 19 times [2022-02-18 15:40:19,899 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:19,899 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257132133] [2022-02-18 15:40:19,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:19,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:20,382 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 15:40:20,383 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:20,383 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257132133] [2022-02-18 15:40:20,383 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257132133] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:20,383 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:20,383 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:20,383 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105950100] [2022-02-18 15:40:20,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:20,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:20,383 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:20,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:20,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:20,384 INFO L87 Difference]: Start difference. First operand 1116 states and 2015 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:20,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:20,898 INFO L93 Difference]: Finished difference Result 1279 states and 2267 transitions. [2022-02-18 15:40:20,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:20,898 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:20,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:20,899 INFO L225 Difference]: With dead ends: 1279 [2022-02-18 15:40:20,899 INFO L226 Difference]: Without dead ends: 1204 [2022-02-18 15:40:20,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:40:20,900 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 188 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:20,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 729 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:20,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2022-02-18 15:40:20,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1098. [2022-02-18 15:40:20,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 1091 states have (on average 1.8130155820348304) internal successors, (1978), 1097 states have internal predecessors, (1978), 0 states have call successors, (0), 0 states 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 15:40:20,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1978 transitions. [2022-02-18 15:40:20,909 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1978 transitions. Word has length 116 [2022-02-18 15:40:20,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:20,909 INFO L470 AbstractCegarLoop]: Abstraction has 1098 states and 1978 transitions. [2022-02-18 15:40:20,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1978 transitions. [2022-02-18 15:40:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:20,910 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:20,910 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:20,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2022-02-18 15:40:20,910 INFO L402 AbstractCegarLoop]: === Iteration 228 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:20,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:20,910 INFO L85 PathProgramCache]: Analyzing trace with hash 726485923, now seen corresponding path program 20 times [2022-02-18 15:40:20,910 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:20,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462314067] [2022-02-18 15:40:20,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:20,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:21,582 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 15:40:21,582 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:21,582 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462314067] [2022-02-18 15:40:21,582 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462314067] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:21,582 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:21,582 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:21,582 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150339944] [2022-02-18 15:40:21,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:21,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:21,583 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:21,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:21,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:21,583 INFO L87 Difference]: Start difference. First operand 1098 states and 1978 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:22,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:22,225 INFO L93 Difference]: Finished difference Result 1279 states and 2251 transitions. [2022-02-18 15:40:22,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:40:22,226 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:22,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:22,227 INFO L225 Difference]: With dead ends: 1279 [2022-02-18 15:40:22,227 INFO L226 Difference]: Without dead ends: 1253 [2022-02-18 15:40:22,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:40:22,228 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 189 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:22,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 610 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:22,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2022-02-18 15:40:22,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1099. [2022-02-18 15:40:22,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1092 states have (on average 1.8122710622710623) internal successors, (1979), 1098 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states 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 15:40:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1979 transitions. [2022-02-18 15:40:22,237 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1979 transitions. Word has length 116 [2022-02-18 15:40:22,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:22,237 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 1979 transitions. [2022-02-18 15:40:22,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:22,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1979 transitions. [2022-02-18 15:40:22,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:22,238 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:22,238 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:22,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2022-02-18 15:40:22,239 INFO L402 AbstractCegarLoop]: === Iteration 229 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:22,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:22,239 INFO L85 PathProgramCache]: Analyzing trace with hash 612875233, now seen corresponding path program 21 times [2022-02-18 15:40:22,239 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:22,239 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370140563] [2022-02-18 15:40:22,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:22,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:23,167 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 15:40:23,167 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:23,167 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370140563] [2022-02-18 15:40:23,167 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370140563] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:23,167 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:23,167 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:40:23,167 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797504279] [2022-02-18 15:40:23,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:23,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:40:23,167 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:23,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:40:23,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:40:23,168 INFO L87 Difference]: Start difference. First operand 1099 states and 1979 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:23,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:23,929 INFO L93 Difference]: Finished difference Result 1237 states and 2191 transitions. [2022-02-18 15:40:23,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:40:23,930 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:23,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:23,931 INFO L225 Difference]: With dead ends: 1237 [2022-02-18 15:40:23,931 INFO L226 Difference]: Without dead ends: 1212 [2022-02-18 15:40:23,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:40:23,931 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 134 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:23,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 713 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:23,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-02-18 15:40:23,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1112. [2022-02-18 15:40:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1105 states have (on average 1.8099547511312217) internal successors, (2000), 1111 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states 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 15:40:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2000 transitions. [2022-02-18 15:40:23,940 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2000 transitions. Word has length 116 [2022-02-18 15:40:23,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:23,940 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2000 transitions. [2022-02-18 15:40:23,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2000 transitions. [2022-02-18 15:40:23,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:23,941 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:23,941 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:23,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2022-02-18 15:40:23,941 INFO L402 AbstractCegarLoop]: === Iteration 230 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:23,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:23,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1476171673, now seen corresponding path program 22 times [2022-02-18 15:40:23,942 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:23,942 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271726388] [2022-02-18 15:40:23,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:23,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:24,492 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 15:40:24,492 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:24,492 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271726388] [2022-02-18 15:40:24,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271726388] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:24,492 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:24,492 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:24,492 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982497662] [2022-02-18 15:40:24,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:24,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:24,492 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:24,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:24,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:24,493 INFO L87 Difference]: Start difference. First operand 1112 states and 2000 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:25,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:25,068 INFO L93 Difference]: Finished difference Result 1259 states and 2227 transitions. [2022-02-18 15:40:25,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:40:25,068 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:25,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:25,070 INFO L225 Difference]: With dead ends: 1259 [2022-02-18 15:40:25,070 INFO L226 Difference]: Without dead ends: 1202 [2022-02-18 15:40:25,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:40:25,070 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 159 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:25,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 718 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:25,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-02-18 15:40:25,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1097. [2022-02-18 15:40:25,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 1090 states have (on average 1.8128440366972478) internal successors, (1976), 1096 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states 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 15:40:25,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1976 transitions. [2022-02-18 15:40:25,079 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1976 transitions. Word has length 116 [2022-02-18 15:40:25,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:25,079 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 1976 transitions. [2022-02-18 15:40:25,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:25,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1976 transitions. [2022-02-18 15:40:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:25,080 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:25,080 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:25,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2022-02-18 15:40:25,080 INFO L402 AbstractCegarLoop]: === Iteration 231 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:25,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:25,080 INFO L85 PathProgramCache]: Analyzing trace with hash 332467701, now seen corresponding path program 23 times [2022-02-18 15:40:25,081 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:25,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976159347] [2022-02-18 15:40:25,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:25,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:25,563 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 15:40:25,563 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:25,564 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976159347] [2022-02-18 15:40:25,564 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976159347] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:25,564 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:25,564 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:25,564 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337650025] [2022-02-18 15:40:25,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:25,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:25,564 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:25,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:25,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:25,564 INFO L87 Difference]: Start difference. First operand 1097 states and 1976 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:25,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:25,998 INFO L93 Difference]: Finished difference Result 1180 states and 2098 transitions. [2022-02-18 15:40:25,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:40:25,998 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:25,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:26,000 INFO L225 Difference]: With dead ends: 1180 [2022-02-18 15:40:26,000 INFO L226 Difference]: Without dead ends: 1143 [2022-02-18 15:40:26,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:40:26,000 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 226 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:26,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 648 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:26,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2022-02-18 15:40:26,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1086. [2022-02-18 15:40:26,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1079 states have (on average 1.8109360518999074) internal successors, (1954), 1085 states have internal predecessors, (1954), 0 states have call successors, (0), 0 states 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 15:40:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1954 transitions. [2022-02-18 15:40:26,008 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1954 transitions. Word has length 116 [2022-02-18 15:40:26,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:26,009 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1954 transitions. [2022-02-18 15:40:26,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:26,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1954 transitions. [2022-02-18 15:40:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:26,009 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:26,010 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:26,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2022-02-18 15:40:26,010 INFO L402 AbstractCegarLoop]: === Iteration 232 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:26,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:26,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1527989333, now seen corresponding path program 24 times [2022-02-18 15:40:26,010 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:26,010 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967710504] [2022-02-18 15:40:26,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:26,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:26,592 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 15:40:26,592 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:26,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967710504] [2022-02-18 15:40:26,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967710504] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:26,593 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:26,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:26,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058853176] [2022-02-18 15:40:26,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:26,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:26,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:26,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:26,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:26,593 INFO L87 Difference]: Start difference. First operand 1086 states and 1954 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:27,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:27,262 INFO L93 Difference]: Finished difference Result 1208 states and 2132 transitions. [2022-02-18 15:40:27,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 15:40:27,263 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:27,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:27,264 INFO L225 Difference]: With dead ends: 1208 [2022-02-18 15:40:27,264 INFO L226 Difference]: Without dead ends: 1182 [2022-02-18 15:40:27,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:40:27,264 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 194 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:27,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 783 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:27,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-02-18 15:40:27,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1086. [2022-02-18 15:40:27,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1079 states have (on average 1.8100092678405932) internal successors, (1953), 1085 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states 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 15:40:27,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1953 transitions. [2022-02-18 15:40:27,284 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1953 transitions. Word has length 116 [2022-02-18 15:40:27,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:27,284 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1953 transitions. [2022-02-18 15:40:27,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:27,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1953 transitions. [2022-02-18 15:40:27,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:27,285 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:27,285 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:27,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2022-02-18 15:40:27,285 INFO L402 AbstractCegarLoop]: === Iteration 233 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:27,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:27,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1414378643, now seen corresponding path program 25 times [2022-02-18 15:40:27,286 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:27,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176046104] [2022-02-18 15:40:27,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:27,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:28,225 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 15:40:28,225 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:28,225 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176046104] [2022-02-18 15:40:28,225 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176046104] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:28,225 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:28,225 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:40:28,225 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276944524] [2022-02-18 15:40:28,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:28,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:40:28,226 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:28,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:40:28,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:40:28,226 INFO L87 Difference]: Start difference. First operand 1086 states and 1953 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:28,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:28,864 INFO L93 Difference]: Finished difference Result 1206 states and 2134 transitions. [2022-02-18 15:40:28,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:40:28,864 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:28,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:28,866 INFO L225 Difference]: With dead ends: 1206 [2022-02-18 15:40:28,866 INFO L226 Difference]: Without dead ends: 1181 [2022-02-18 15:40:28,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:40:28,866 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 143 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:28,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 696 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:28,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2022-02-18 15:40:28,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1106. [2022-02-18 15:40:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1099 states have (on average 1.8016378525932666) internal successors, (1980), 1105 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states 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 15:40:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1980 transitions. [2022-02-18 15:40:28,874 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1980 transitions. Word has length 116 [2022-02-18 15:40:28,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:28,875 INFO L470 AbstractCegarLoop]: Abstraction has 1106 states and 1980 transitions. [2022-02-18 15:40:28,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1980 transitions. [2022-02-18 15:40:28,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:28,876 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:28,876 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:28,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2022-02-18 15:40:28,876 INFO L402 AbstractCegarLoop]: === Iteration 234 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:28,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:28,876 INFO L85 PathProgramCache]: Analyzing trace with hash -674668263, now seen corresponding path program 26 times [2022-02-18 15:40:28,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:28,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845488006] [2022-02-18 15:40:28,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:28,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:40:29,434 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:29,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845488006] [2022-02-18 15:40:29,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845488006] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:29,434 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:29,434 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:29,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311572940] [2022-02-18 15:40:29,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:29,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:29,434 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:29,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:29,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:29,435 INFO L87 Difference]: Start difference. First operand 1106 states and 1980 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:29,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:29,893 INFO L93 Difference]: Finished difference Result 1195 states and 2114 transitions. [2022-02-18 15:40:29,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:29,893 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:29,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:29,895 INFO L225 Difference]: With dead ends: 1195 [2022-02-18 15:40:29,895 INFO L226 Difference]: Without dead ends: 1006 [2022-02-18 15:40:29,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:40:29,895 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 189 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:29,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 665 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:29,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2022-02-18 15:40:29,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 949. [2022-02-18 15:40:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 942 states have (on average 1.7770700636942676) internal successors, (1674), 948 states have internal predecessors, (1674), 0 states have call successors, (0), 0 states 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 15:40:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1674 transitions. [2022-02-18 15:40:29,902 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1674 transitions. Word has length 116 [2022-02-18 15:40:29,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:29,902 INFO L470 AbstractCegarLoop]: Abstraction has 949 states and 1674 transitions. [2022-02-18 15:40:29,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:29,902 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1674 transitions. [2022-02-18 15:40:29,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:29,903 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:29,903 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:29,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2022-02-18 15:40:29,903 INFO L402 AbstractCegarLoop]: === Iteration 235 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:29,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:29,904 INFO L85 PathProgramCache]: Analyzing trace with hash 15870440, now seen corresponding path program 6 times [2022-02-18 15:40:29,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:29,904 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374663519] [2022-02-18 15:40:29,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:29,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:30,448 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 15:40:30,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:30,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374663519] [2022-02-18 15:40:30,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374663519] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:30,448 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:30,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:30,448 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192755662] [2022-02-18 15:40:30,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:30,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:30,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:30,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:30,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:30,449 INFO L87 Difference]: Start difference. First operand 949 states and 1674 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:30,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:30,908 INFO L93 Difference]: Finished difference Result 1023 states and 1778 transitions. [2022-02-18 15:40:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:40:30,908 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:30,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:30,909 INFO L225 Difference]: With dead ends: 1023 [2022-02-18 15:40:30,909 INFO L226 Difference]: Without dead ends: 995 [2022-02-18 15:40:30,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 1 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 15:40:30,909 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 232 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:30,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 533 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:30,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2022-02-18 15:40:30,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 867. [2022-02-18 15:40:30,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 861 states have (on average 1.7572590011614402) internal successors, (1513), 866 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states 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 15:40:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1513 transitions. [2022-02-18 15:40:30,916 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1513 transitions. Word has length 116 [2022-02-18 15:40:30,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:30,917 INFO L470 AbstractCegarLoop]: Abstraction has 867 states and 1513 transitions. [2022-02-18 15:40:30,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1513 transitions. [2022-02-18 15:40:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:30,917 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:30,917 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:30,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2022-02-18 15:40:30,917 INFO L402 AbstractCegarLoop]: === Iteration 236 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:30,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:30,918 INFO L85 PathProgramCache]: Analyzing trace with hash -750381012, now seen corresponding path program 5 times [2022-02-18 15:40:30,918 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:30,918 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477592992] [2022-02-18 15:40:30,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:30,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:31,194 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 15:40:31,195 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:31,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477592992] [2022-02-18 15:40:31,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477592992] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:31,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:31,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:31,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823694519] [2022-02-18 15:40:31,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:31,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:31,195 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:31,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:31,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:31,195 INFO L87 Difference]: Start difference. First operand 867 states and 1513 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:31,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:31,549 INFO L93 Difference]: Finished difference Result 1259 states and 2166 transitions. [2022-02-18 15:40:31,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:31,550 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:31,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:31,551 INFO L225 Difference]: With dead ends: 1259 [2022-02-18 15:40:31,551 INFO L226 Difference]: Without dead ends: 1215 [2022-02-18 15:40:31,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 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 15:40:31,551 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 252 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:31,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 443 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:31,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2022-02-18 15:40:31,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 911. [2022-02-18 15:40:31,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 905 states have (on average 1.7624309392265194) internal successors, (1595), 910 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states 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 15:40:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1595 transitions. [2022-02-18 15:40:31,559 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1595 transitions. Word has length 116 [2022-02-18 15:40:31,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:31,559 INFO L470 AbstractCegarLoop]: Abstraction has 911 states and 1595 transitions. [2022-02-18 15:40:31,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:31,559 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1595 transitions. [2022-02-18 15:40:31,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:31,560 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:31,560 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:31,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2022-02-18 15:40:31,560 INFO L402 AbstractCegarLoop]: === Iteration 237 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:31,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:31,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1454600954, now seen corresponding path program 6 times [2022-02-18 15:40:31,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:31,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773221078] [2022-02-18 15:40:31,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:31,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:31,938 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 15:40:31,939 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:31,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773221078] [2022-02-18 15:40:31,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773221078] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:31,939 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:31,939 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:31,939 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002263306] [2022-02-18 15:40:31,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:31,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:31,939 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:31,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:31,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:31,940 INFO L87 Difference]: Start difference. First operand 911 states and 1595 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:32,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:32,326 INFO L93 Difference]: Finished difference Result 1170 states and 2007 transitions. [2022-02-18 15:40:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:32,326 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:32,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:32,327 INFO L225 Difference]: With dead ends: 1170 [2022-02-18 15:40:32,327 INFO L226 Difference]: Without dead ends: 1137 [2022-02-18 15:40:32,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 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 15:40:32,328 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 209 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:32,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 499 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:32,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2022-02-18 15:40:32,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 906. [2022-02-18 15:40:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 900 states have (on average 1.76) internal successors, (1584), 905 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states 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 15:40:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1584 transitions. [2022-02-18 15:40:32,335 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1584 transitions. Word has length 116 [2022-02-18 15:40:32,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:32,335 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1584 transitions. [2022-02-18 15:40:32,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1584 transitions. [2022-02-18 15:40:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:32,336 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:32,336 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:32,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2022-02-18 15:40:32,336 INFO L402 AbstractCegarLoop]: === Iteration 238 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:32,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:32,337 INFO L85 PathProgramCache]: Analyzing trace with hash 2062312812, now seen corresponding path program 7 times [2022-02-18 15:40:32,337 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:32,337 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353912132] [2022-02-18 15:40:32,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:32,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:32,788 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 15:40:32,788 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:32,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353912132] [2022-02-18 15:40:32,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353912132] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:32,788 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:32,788 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:32,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110567089] [2022-02-18 15:40:32,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:32,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:32,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:32,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:32,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:32,789 INFO L87 Difference]: Start difference. First operand 906 states and 1584 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:33,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:33,173 INFO L93 Difference]: Finished difference Result 1054 states and 1792 transitions. [2022-02-18 15:40:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:33,174 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:33,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:33,175 INFO L225 Difference]: With dead ends: 1054 [2022-02-18 15:40:33,175 INFO L226 Difference]: Without dead ends: 1025 [2022-02-18 15:40:33,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 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 15:40:33,175 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 249 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:33,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 396 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:33,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2022-02-18 15:40:33,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 902. [2022-02-18 15:40:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 896 states have (on average 1.7566964285714286) internal successors, (1574), 901 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states 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 15:40:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1574 transitions. [2022-02-18 15:40:33,194 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1574 transitions. Word has length 116 [2022-02-18 15:40:33,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:33,194 INFO L470 AbstractCegarLoop]: Abstraction has 902 states and 1574 transitions. [2022-02-18 15:40:33,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1574 transitions. [2022-02-18 15:40:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:33,194 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:33,194 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:33,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2022-02-18 15:40:33,195 INFO L402 AbstractCegarLoop]: === Iteration 239 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:33,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:33,196 INFO L85 PathProgramCache]: Analyzing trace with hash -81825274, now seen corresponding path program 8 times [2022-02-18 15:40:33,196 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:33,196 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379661272] [2022-02-18 15:40:33,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:33,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:33,724 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 15:40:33,724 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:33,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379661272] [2022-02-18 15:40:33,724 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379661272] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:33,724 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:33,724 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:33,724 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266413492] [2022-02-18 15:40:33,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:33,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:33,725 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:33,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:33,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:33,725 INFO L87 Difference]: Start difference. First operand 902 states and 1574 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:34,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:34,156 INFO L93 Difference]: Finished difference Result 974 states and 1659 transitions. [2022-02-18 15:40:34,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:34,157 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:34,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:34,158 INFO L225 Difference]: With dead ends: 974 [2022-02-18 15:40:34,158 INFO L226 Difference]: Without dead ends: 932 [2022-02-18 15:40:34,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 1 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 15:40:34,158 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 215 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:34,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 435 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:34,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2022-02-18 15:40:34,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 871. [2022-02-18 15:40:34,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 865 states have (on average 1.7526011560693642) internal successors, (1516), 870 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states 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 15:40:34,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1516 transitions. [2022-02-18 15:40:34,166 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1516 transitions. Word has length 116 [2022-02-18 15:40:34,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:34,166 INFO L470 AbstractCegarLoop]: Abstraction has 871 states and 1516 transitions. [2022-02-18 15:40:34,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:34,166 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1516 transitions. [2022-02-18 15:40:34,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:34,166 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:34,166 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:34,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2022-02-18 15:40:34,167 INFO L402 AbstractCegarLoop]: === Iteration 240 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:34,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:34,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1021691445, now seen corresponding path program 27 times [2022-02-18 15:40:34,167 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:34,167 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948533987] [2022-02-18 15:40:34,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:34,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:34,506 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 15:40:34,507 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:34,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948533987] [2022-02-18 15:40:34,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948533987] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:34,507 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:34,507 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:40:34,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480594855] [2022-02-18 15:40:34,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:34,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:40:34,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:34,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:40:34,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:40:34,508 INFO L87 Difference]: Start difference. First operand 871 states and 1516 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:34,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:34,884 INFO L93 Difference]: Finished difference Result 1214 states and 2069 transitions. [2022-02-18 15:40:34,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:34,884 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:34,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:34,886 INFO L225 Difference]: With dead ends: 1214 [2022-02-18 15:40:34,886 INFO L226 Difference]: Without dead ends: 1162 [2022-02-18 15:40:34,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:40:34,886 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 270 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:34,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 505 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:34,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2022-02-18 15:40:34,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 874. [2022-02-18 15:40:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 869 states have (on average 1.7422324510932106) internal successors, (1514), 873 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states 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 15:40:34,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1514 transitions. [2022-02-18 15:40:34,896 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1514 transitions. Word has length 116 [2022-02-18 15:40:34,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:34,896 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1514 transitions. [2022-02-18 15:40:34,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:34,897 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1514 transitions. [2022-02-18 15:40:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:34,897 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:34,897 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:34,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2022-02-18 15:40:34,898 INFO L402 AbstractCegarLoop]: === Iteration 241 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:34,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:34,898 INFO L85 PathProgramCache]: Analyzing trace with hash 2022468937, now seen corresponding path program 28 times [2022-02-18 15:40:34,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:34,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398365672] [2022-02-18 15:40:34,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:34,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:35,250 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 15:40:35,250 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:35,250 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398365672] [2022-02-18 15:40:35,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398365672] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:35,250 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:35,250 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:35,251 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865844615] [2022-02-18 15:40:35,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:35,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:35,251 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:35,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:35,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:35,251 INFO L87 Difference]: Start difference. First operand 874 states and 1514 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:35,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:35,526 INFO L93 Difference]: Finished difference Result 1106 states and 1868 transitions. [2022-02-18 15:40:35,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:40:35,526 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:35,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:35,528 INFO L225 Difference]: With dead ends: 1106 [2022-02-18 15:40:35,528 INFO L226 Difference]: Without dead ends: 1052 [2022-02-18 15:40:35,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:35,528 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 223 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:35,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 390 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:35,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-02-18 15:40:35,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 858. [2022-02-18 15:40:35,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 853 states have (on average 1.7373974208675265) internal successors, (1482), 857 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states 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 15:40:35,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1482 transitions. [2022-02-18 15:40:35,535 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1482 transitions. Word has length 116 [2022-02-18 15:40:35,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:35,535 INFO L470 AbstractCegarLoop]: Abstraction has 858 states and 1482 transitions. [2022-02-18 15:40:35,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:35,535 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1482 transitions. [2022-02-18 15:40:35,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:35,536 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:35,536 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:35,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2022-02-18 15:40:35,536 INFO L402 AbstractCegarLoop]: === Iteration 242 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:35,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:35,536 INFO L85 PathProgramCache]: Analyzing trace with hash 905058123, now seen corresponding path program 29 times [2022-02-18 15:40:35,536 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:35,536 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56844389] [2022-02-18 15:40:35,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:35,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:36,002 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 15:40:36,002 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:36,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56844389] [2022-02-18 15:40:36,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56844389] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:36,002 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:36,002 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:36,002 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764536528] [2022-02-18 15:40:36,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:36,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:36,003 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:36,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:36,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:36,003 INFO L87 Difference]: Start difference. First operand 858 states and 1482 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:36,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:36,335 INFO L93 Difference]: Finished difference Result 992 states and 1665 transitions. [2022-02-18 15:40:36,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:40:36,336 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:36,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:36,337 INFO L225 Difference]: With dead ends: 992 [2022-02-18 15:40:36,337 INFO L226 Difference]: Without dead ends: 946 [2022-02-18 15:40:36,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:40:36,337 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 210 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:36,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 400 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:36,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2022-02-18 15:40:36,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 795. [2022-02-18 15:40:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 791 states have (on average 1.718078381795196) internal successors, (1359), 794 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states 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 15:40:36,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1359 transitions. [2022-02-18 15:40:36,344 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1359 transitions. Word has length 116 [2022-02-18 15:40:36,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:36,344 INFO L470 AbstractCegarLoop]: Abstraction has 795 states and 1359 transitions. [2022-02-18 15:40:36,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1359 transitions. [2022-02-18 15:40:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:36,344 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:36,345 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:36,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2022-02-18 15:40:36,345 INFO L402 AbstractCegarLoop]: === Iteration 243 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:36,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:36,345 INFO L85 PathProgramCache]: Analyzing trace with hash -220334135, now seen corresponding path program 30 times [2022-02-18 15:40:36,345 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:36,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315601611] [2022-02-18 15:40:36,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:36,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:37,038 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 15:40:37,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:37,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315601611] [2022-02-18 15:40:37,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315601611] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:37,039 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:37,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:40:37,039 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202763536] [2022-02-18 15:40:37,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:37,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:40:37,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:37,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:40:37,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:40:37,039 INFO L87 Difference]: Start difference. First operand 795 states and 1359 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:37,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:37,813 INFO L93 Difference]: Finished difference Result 911 states and 1527 transitions. [2022-02-18 15:40:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:40:37,814 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:37,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:37,814 INFO L225 Difference]: With dead ends: 911 [2022-02-18 15:40:37,814 INFO L226 Difference]: Without dead ends: 659 [2022-02-18 15:40:37,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2022-02-18 15:40:37,815 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 208 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:37,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 447 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:37,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2022-02-18 15:40:37,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 614. [2022-02-18 15:40:37,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 610 states have (on average 1.5852459016393443) internal successors, (967), 613 states have internal predecessors, (967), 0 states have call successors, (0), 0 states 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 15:40:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 967 transitions. [2022-02-18 15:40:37,819 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 967 transitions. Word has length 116 [2022-02-18 15:40:37,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:37,819 INFO L470 AbstractCegarLoop]: Abstraction has 614 states and 967 transitions. [2022-02-18 15:40:37,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 967 transitions. [2022-02-18 15:40:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:37,820 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:37,820 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:37,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2022-02-18 15:40:37,820 INFO L402 AbstractCegarLoop]: === Iteration 244 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:37,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:37,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1669765944, now seen corresponding path program 1 times [2022-02-18 15:40:37,821 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:37,821 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283437990] [2022-02-18 15:40:37,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:37,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:38,493 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 15:40:38,493 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:38,493 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283437990] [2022-02-18 15:40:38,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283437990] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:38,493 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:38,493 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:38,493 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167889569] [2022-02-18 15:40:38,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:38,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:38,494 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:38,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:38,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:38,494 INFO L87 Difference]: Start difference. First operand 614 states and 967 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:38,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:38,986 INFO L93 Difference]: Finished difference Result 668 states and 1038 transitions. [2022-02-18 15:40:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:38,986 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:38,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:38,986 INFO L225 Difference]: With dead ends: 668 [2022-02-18 15:40:38,987 INFO L226 Difference]: Without dead ends: 616 [2022-02-18 15:40:38,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:40:38,987 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 204 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:38,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 371 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:40:38,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2022-02-18 15:40:38,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 588. [2022-02-18 15:40:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 584 states have (on average 1.5667808219178083) internal successors, (915), 587 states have internal predecessors, (915), 0 states have call successors, (0), 0 states 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 15:40:38,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 915 transitions. [2022-02-18 15:40:38,991 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 915 transitions. Word has length 116 [2022-02-18 15:40:38,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:38,991 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 915 transitions. [2022-02-18 15:40:38,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:38,991 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 915 transitions. [2022-02-18 15:40:38,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:38,992 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:38,992 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:38,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2022-02-18 15:40:38,992 INFO L402 AbstractCegarLoop]: === Iteration 245 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:38,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:38,992 INFO L85 PathProgramCache]: Analyzing trace with hash -194600416, now seen corresponding path program 2 times [2022-02-18 15:40:38,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:38,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966463723] [2022-02-18 15:40:38,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:39,696 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 15:40:39,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:39,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966463723] [2022-02-18 15:40:39,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966463723] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:39,696 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:39,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:39,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985323900] [2022-02-18 15:40:39,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:39,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:39,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:39,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:39,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:39,697 INFO L87 Difference]: Start difference. First operand 588 states and 915 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:40,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:40,269 INFO L93 Difference]: Finished difference Result 604 states and 938 transitions. [2022-02-18 15:40:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:40,269 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:40,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:40,270 INFO L225 Difference]: With dead ends: 604 [2022-02-18 15:40:40,270 INFO L226 Difference]: Without dead ends: 578 [2022-02-18 15:40:40,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:40:40,270 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 150 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:40,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 431 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:40:40,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-02-18 15:40:40,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 550. [2022-02-18 15:40:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 547 states have (on average 1.583180987202925) internal successors, (866), 549 states have internal predecessors, (866), 0 states have call successors, (0), 0 states 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 15:40:40,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 866 transitions. [2022-02-18 15:40:40,275 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 866 transitions. Word has length 116 [2022-02-18 15:40:40,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:40,275 INFO L470 AbstractCegarLoop]: Abstraction has 550 states and 866 transitions. [2022-02-18 15:40:40,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:40,275 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 866 transitions. [2022-02-18 15:40:40,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:40,275 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:40,275 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:40,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2022-02-18 15:40:40,275 INFO L402 AbstractCegarLoop]: === Iteration 246 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:40,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:40,276 INFO L85 PathProgramCache]: Analyzing trace with hash 2083730738, now seen corresponding path program 9 times [2022-02-18 15:40:40,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:40,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088430727] [2022-02-18 15:40:40,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:40,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:40,865 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 15:40:40,865 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:40,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088430727] [2022-02-18 15:40:40,865 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088430727] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:40,865 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:40,865 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:40,865 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008119794] [2022-02-18 15:40:40,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:40,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:40,866 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:40,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:40,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:40,866 INFO L87 Difference]: Start difference. First operand 550 states and 866 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:41,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:41,567 INFO L93 Difference]: Finished difference Result 588 states and 912 transitions. [2022-02-18 15:40:41,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:41,567 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:41,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:41,568 INFO L225 Difference]: With dead ends: 588 [2022-02-18 15:40:41,568 INFO L226 Difference]: Without dead ends: 559 [2022-02-18 15:40:41,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:40:41,568 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 181 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:41,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 549 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-18 15:40:41,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2022-02-18 15:40:41,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 547. [2022-02-18 15:40:41,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 544 states have (on average 1.5808823529411764) internal successors, (860), 546 states have internal predecessors, (860), 0 states have call successors, (0), 0 states 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 15:40:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 860 transitions. [2022-02-18 15:40:41,572 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 860 transitions. Word has length 116 [2022-02-18 15:40:41,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:41,572 INFO L470 AbstractCegarLoop]: Abstraction has 547 states and 860 transitions. [2022-02-18 15:40:41,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 860 transitions. [2022-02-18 15:40:41,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:41,573 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:41,573 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:41,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2022-02-18 15:40:41,573 INFO L402 AbstractCegarLoop]: === Iteration 247 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:41,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:41,573 INFO L85 PathProgramCache]: Analyzing trace with hash -393448680, now seen corresponding path program 10 times [2022-02-18 15:40:41,574 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:41,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974433162] [2022-02-18 15:40:41,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:41,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:42,515 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 15:40:42,515 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:42,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974433162] [2022-02-18 15:40:42,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974433162] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:42,515 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:42,515 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-18 15:40:42,515 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404997560] [2022-02-18 15:40:42,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:42,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 15:40:42,516 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:42,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 15:40:42,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-02-18 15:40:42,516 INFO L87 Difference]: Start difference. First operand 547 states and 860 transitions. Second operand has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:44,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:44,074 INFO L93 Difference]: Finished difference Result 611 states and 957 transitions. [2022-02-18 15:40:44,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-18 15:40:44,074 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:44,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:44,075 INFO L225 Difference]: With dead ends: 611 [2022-02-18 15:40:44,075 INFO L226 Difference]: Without dead ends: 556 [2022-02-18 15:40:44,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=328, Invalid=1154, Unknown=0, NotChecked=0, Total=1482 [2022-02-18 15:40:44,075 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 566 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:44,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [566 Valid, 886 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 15:40:44,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-02-18 15:40:44,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 544. [2022-02-18 15:40:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 541 states have (on average 1.578558225508318) internal successors, (854), 543 states have internal predecessors, (854), 0 states have call successors, (0), 0 states 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 15:40:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 854 transitions. [2022-02-18 15:40:44,080 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 854 transitions. Word has length 116 [2022-02-18 15:40:44,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:44,080 INFO L470 AbstractCegarLoop]: Abstraction has 544 states and 854 transitions. [2022-02-18 15:40:44,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.176470588235294) internal successors, (71), 18 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 854 transitions. [2022-02-18 15:40:44,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:44,081 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:44,081 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:44,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2022-02-18 15:40:44,081 INFO L402 AbstractCegarLoop]: === Iteration 248 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:44,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:44,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1734341648, now seen corresponding path program 11 times [2022-02-18 15:40:44,081 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:44,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555258368] [2022-02-18 15:40:44,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:44,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-18 15:40:44,645 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:44,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555258368] [2022-02-18 15:40:44,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555258368] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:44,645 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:44,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:44,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080705879] [2022-02-18 15:40:44,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:44,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:44,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:44,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:44,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:44,646 INFO L87 Difference]: Start difference. First operand 544 states and 854 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:45,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:45,185 INFO L93 Difference]: Finished difference Result 634 states and 1002 transitions. [2022-02-18 15:40:45,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:45,186 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:45,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:45,186 INFO L225 Difference]: With dead ends: 634 [2022-02-18 15:40:45,186 INFO L226 Difference]: Without dead ends: 553 [2022-02-18 15:40:45,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:40:45,187 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 177 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:45,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 513 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:45,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2022-02-18 15:40:45,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 541. [2022-02-18 15:40:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 538 states have (on average 1.5762081784386617) internal successors, (848), 540 states have internal predecessors, (848), 0 states have call successors, (0), 0 states 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 15:40:45,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 848 transitions. [2022-02-18 15:40:45,191 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 848 transitions. Word has length 116 [2022-02-18 15:40:45,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:45,191 INFO L470 AbstractCegarLoop]: Abstraction has 541 states and 848 transitions. [2022-02-18 15:40:45,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:45,191 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 848 transitions. [2022-02-18 15:40:45,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:45,191 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:45,191 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:45,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2022-02-18 15:40:45,192 INFO L402 AbstractCegarLoop]: === Iteration 249 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:45,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:45,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1670894522, now seen corresponding path program 12 times [2022-02-18 15:40:45,192 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:45,192 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197424812] [2022-02-18 15:40:45,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:45,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:45,730 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 15:40:45,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:45,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197424812] [2022-02-18 15:40:45,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197424812] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:45,731 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:45,731 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:45,731 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495985937] [2022-02-18 15:40:45,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:45,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:45,731 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:45,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:45,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:45,732 INFO L87 Difference]: Start difference. First operand 541 states and 848 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:46,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:46,149 INFO L93 Difference]: Finished difference Result 533 states and 830 transitions. [2022-02-18 15:40:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:46,150 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:46,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:46,150 INFO L225 Difference]: With dead ends: 533 [2022-02-18 15:40:46,150 INFO L226 Difference]: Without dead ends: 384 [2022-02-18 15:40:46,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=92, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:40:46,150 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 179 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:46,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 463 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:46,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2022-02-18 15:40:46,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 372. [2022-02-18 15:40:46,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 370 states have (on average 1.5) internal successors, (555), 371 states have internal predecessors, (555), 0 states have call successors, (0), 0 states 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 15:40:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 555 transitions. [2022-02-18 15:40:46,154 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 555 transitions. Word has length 116 [2022-02-18 15:40:46,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:46,154 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 555 transitions. [2022-02-18 15:40:46,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:46,154 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 555 transitions. [2022-02-18 15:40:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:46,154 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:46,154 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:46,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2022-02-18 15:40:46,154 INFO L402 AbstractCegarLoop]: === Iteration 250 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:46,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:46,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1771492386, now seen corresponding path program 7 times [2022-02-18 15:40:46,155 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:46,155 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105828973] [2022-02-18 15:40:46,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:46,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:47,350 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 15:40:47,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:47,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105828973] [2022-02-18 15:40:47,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105828973] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:47,350 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:47,350 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:47,350 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164675746] [2022-02-18 15:40:47,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:47,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:47,351 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:47,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:47,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:47,351 INFO L87 Difference]: Start difference. First operand 372 states and 555 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:47,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:47,824 INFO L93 Difference]: Finished difference Result 364 states and 540 transitions. [2022-02-18 15:40:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 15:40:47,825 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:47,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:47,825 INFO L225 Difference]: With dead ends: 364 [2022-02-18 15:40:47,825 INFO L226 Difference]: Without dead ends: 339 [2022-02-18 15:40:47,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:40:47,825 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 124 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:47,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 300 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:40:47,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-02-18 15:40:47,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2022-02-18 15:40:47,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 338 states have (on average 1.5236686390532543) internal successors, (515), 338 states have internal predecessors, (515), 0 states have call successors, (0), 0 states 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 15:40:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 515 transitions. [2022-02-18 15:40:47,828 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 515 transitions. Word has length 116 [2022-02-18 15:40:47,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:47,828 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 515 transitions. [2022-02-18 15:40:47,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 515 transitions. [2022-02-18 15:40:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:47,829 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:47,829 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:47,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2022-02-18 15:40:47,829 INFO L402 AbstractCegarLoop]: === Iteration 251 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:47,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:47,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1543685139, now seen corresponding path program 31 times [2022-02-18 15:40:47,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:47,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435895434] [2022-02-18 15:40:47,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:47,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:48,224 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 15:40:48,224 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:48,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435895434] [2022-02-18 15:40:48,224 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435895434] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:48,224 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:48,224 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:48,224 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177321552] [2022-02-18 15:40:48,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:48,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:48,225 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:48,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:48,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:48,225 INFO L87 Difference]: Start difference. First operand 339 states and 515 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:48,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:48,709 INFO L93 Difference]: Finished difference Result 515 states and 781 transitions. [2022-02-18 15:40:48,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 15:40:48,709 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:48,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:48,710 INFO L225 Difference]: With dead ends: 515 [2022-02-18 15:40:48,710 INFO L226 Difference]: Without dead ends: 479 [2022-02-18 15:40:48,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=238, Unknown=0, NotChecked=0, Total=380 [2022-02-18 15:40:48,710 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 199 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:48,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 426 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:40:48,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-02-18 15:40:48,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 351. [2022-02-18 15:40:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 350 states have (on average 1.5285714285714285) internal successors, (535), 350 states have internal predecessors, (535), 0 states have call successors, (0), 0 states 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 15:40:48,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 535 transitions. [2022-02-18 15:40:48,713 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 535 transitions. Word has length 116 [2022-02-18 15:40:48,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:48,713 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 535 transitions. [2022-02-18 15:40:48,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:48,713 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 535 transitions. [2022-02-18 15:40:48,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:48,714 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:48,714 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:48,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2022-02-18 15:40:48,714 INFO L402 AbstractCegarLoop]: === Iteration 252 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:48,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:48,714 INFO L85 PathProgramCache]: Analyzing trace with hash -16249973, now seen corresponding path program 32 times [2022-02-18 15:40:48,714 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:48,714 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036676803] [2022-02-18 15:40:48,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:48,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:49,199 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 15:40:49,199 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:49,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036676803] [2022-02-18 15:40:49,199 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036676803] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:49,199 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:49,200 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:49,200 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467951815] [2022-02-18 15:40:49,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:49,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:49,201 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:49,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:49,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:49,201 INFO L87 Difference]: Start difference. First operand 351 states and 535 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:49,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:49,422 INFO L93 Difference]: Finished difference Result 559 states and 849 transitions. [2022-02-18 15:40:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:40:49,422 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:49,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:49,423 INFO L225 Difference]: With dead ends: 559 [2022-02-18 15:40:49,423 INFO L226 Difference]: Without dead ends: 525 [2022-02-18 15:40:49,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:49,423 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 156 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:49,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 331 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:40:49,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-02-18 15:40:49,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 354. [2022-02-18 15:40:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 353 states have (on average 1.5354107648725213) internal successors, (542), 353 states have internal predecessors, (542), 0 states have call successors, (0), 0 states 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 15:40:49,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 542 transitions. [2022-02-18 15:40:49,429 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 542 transitions. Word has length 116 [2022-02-18 15:40:49,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:49,430 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 542 transitions. [2022-02-18 15:40:49,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:49,430 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 542 transitions. [2022-02-18 15:40:49,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:49,430 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:49,430 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:49,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2022-02-18 15:40:49,430 INFO L402 AbstractCegarLoop]: === Iteration 253 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:49,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:49,431 INFO L85 PathProgramCache]: Analyzing trace with hash -609113179, now seen corresponding path program 33 times [2022-02-18 15:40:49,431 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:49,431 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320722810] [2022-02-18 15:40:49,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:49,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:50,009 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 15:40:50,009 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:50,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320722810] [2022-02-18 15:40:50,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320722810] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:50,009 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:50,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:50,009 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394546940] [2022-02-18 15:40:50,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:50,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:50,009 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:50,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:50,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:50,010 INFO L87 Difference]: Start difference. First operand 354 states and 542 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:50,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:50,308 INFO L93 Difference]: Finished difference Result 487 states and 726 transitions. [2022-02-18 15:40:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:40:50,308 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:50,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:50,309 INFO L225 Difference]: With dead ends: 487 [2022-02-18 15:40:50,309 INFO L226 Difference]: Without dead ends: 461 [2022-02-18 15:40:50,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:40:50,309 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 188 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:50,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 296 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:40:50,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-02-18 15:40:50,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 314. [2022-02-18 15:40:50,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 313 states have (on average 1.488817891373802) internal successors, (466), 313 states have internal predecessors, (466), 0 states have call successors, (0), 0 states 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 15:40:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 466 transitions. [2022-02-18 15:40:50,312 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 466 transitions. Word has length 116 [2022-02-18 15:40:50,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:50,312 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 466 transitions. [2022-02-18 15:40:50,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 466 transitions. [2022-02-18 15:40:50,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:50,313 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:50,313 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:50,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2022-02-18 15:40:50,313 INFO L402 AbstractCegarLoop]: === Iteration 254 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:50,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:50,313 INFO L85 PathProgramCache]: Analyzing trace with hash -66116567, now seen corresponding path program 34 times [2022-02-18 15:40:50,313 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:50,313 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275016038] [2022-02-18 15:40:50,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:50,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:50,977 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 15:40:50,977 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:50,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275016038] [2022-02-18 15:40:50,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275016038] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:50,977 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:50,977 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:50,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522305366] [2022-02-18 15:40:50,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:50,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:50,978 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:50,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:50,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:50,978 INFO L87 Difference]: Start difference. First operand 314 states and 466 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:51,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:51,254 INFO L93 Difference]: Finished difference Result 430 states and 634 transitions. [2022-02-18 15:40:51,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:40:51,254 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:51,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:51,255 INFO L225 Difference]: With dead ends: 430 [2022-02-18 15:40:51,255 INFO L226 Difference]: Without dead ends: 355 [2022-02-18 15:40:51,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:40:51,255 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 165 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:51,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 316 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:40:51,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-02-18 15:40:51,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 314. [2022-02-18 15:40:51,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 313 states have (on average 1.4856230031948883) internal successors, (465), 313 states have internal predecessors, (465), 0 states have call successors, (0), 0 states 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 15:40:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 465 transitions. [2022-02-18 15:40:51,258 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 465 transitions. Word has length 116 [2022-02-18 15:40:51,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:51,258 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 465 transitions. [2022-02-18 15:40:51,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:51,258 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 465 transitions. [2022-02-18 15:40:51,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:51,258 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:51,258 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:51,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2022-02-18 15:40:51,259 INFO L402 AbstractCegarLoop]: === Iteration 255 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:51,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:51,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1861073411, now seen corresponding path program 35 times [2022-02-18 15:40:51,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:51,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989476142] [2022-02-18 15:40:51,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:51,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:52,017 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 15:40:52,017 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:52,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989476142] [2022-02-18 15:40:52,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989476142] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:52,018 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:52,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:52,018 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148264657] [2022-02-18 15:40:52,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:52,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:52,018 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:52,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:52,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:52,018 INFO L87 Difference]: Start difference. First operand 314 states and 465 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:52,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:52,346 INFO L93 Difference]: Finished difference Result 405 states and 593 transitions. [2022-02-18 15:40:52,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:40:52,346 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:52,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:52,347 INFO L225 Difference]: With dead ends: 405 [2022-02-18 15:40:52,347 INFO L226 Difference]: Without dead ends: 330 [2022-02-18 15:40:52,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-02-18 15:40:52,347 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 171 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:52,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 320 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:40:52,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-02-18 15:40:52,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 289. [2022-02-18 15:40:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 288 states have (on average 1.4409722222222223) internal successors, (415), 288 states have internal predecessors, (415), 0 states have call successors, (0), 0 states 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 15:40:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 415 transitions. [2022-02-18 15:40:52,349 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 415 transitions. Word has length 116 [2022-02-18 15:40:52,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:52,349 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 415 transitions. [2022-02-18 15:40:52,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 415 transitions. [2022-02-18 15:40:52,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:52,350 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:52,350 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:52,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2022-02-18 15:40:52,350 INFO L402 AbstractCegarLoop]: === Iteration 256 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:52,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:52,351 INFO L85 PathProgramCache]: Analyzing trace with hash 946234371, now seen corresponding path program 36 times [2022-02-18 15:40:52,351 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:52,351 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613433824] [2022-02-18 15:40:52,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:52,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:53,837 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 15:40:53,837 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:53,837 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613433824] [2022-02-18 15:40:53,837 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613433824] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:53,838 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:53,838 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:40:53,838 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357456091] [2022-02-18 15:40:53,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:53,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:40:53,838 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:53,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:40:53,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:40:53,839 INFO L87 Difference]: Start difference. First operand 289 states and 415 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:54,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:54,390 INFO L93 Difference]: Finished difference Result 317 states and 442 transitions. [2022-02-18 15:40:54,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:54,391 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:54,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:54,392 INFO L225 Difference]: With dead ends: 317 [2022-02-18 15:40:54,392 INFO L226 Difference]: Without dead ends: 291 [2022-02-18 15:40:54,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-02-18 15:40:54,392 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 52 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:54,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 442 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-18 15:40:54,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-02-18 15:40:54,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 288. [2022-02-18 15:40:54,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 1.4390243902439024) internal successors, (413), 287 states have internal predecessors, (413), 0 states have call successors, (0), 0 states 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 15:40:54,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 413 transitions. [2022-02-18 15:40:54,396 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 413 transitions. Word has length 116 [2022-02-18 15:40:54,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:54,396 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 413 transitions. [2022-02-18 15:40:54,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:54,396 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 413 transitions. [2022-02-18 15:40:54,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:54,396 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:54,397 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:54,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2022-02-18 15:40:54,397 INFO L402 AbstractCegarLoop]: === Iteration 257 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:54,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:54,397 INFO L85 PathProgramCache]: Analyzing trace with hash 832623681, now seen corresponding path program 37 times [2022-02-18 15:40:54,397 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:54,397 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123554994] [2022-02-18 15:40:54,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:54,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:56,048 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 15:40:56,048 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:56,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123554994] [2022-02-18 15:40:56,048 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123554994] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:56,048 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:56,048 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-18 15:40:56,048 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484641820] [2022-02-18 15:40:56,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:56,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 15:40:56,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:56,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 15:40:56,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-02-18 15:40:56,049 INFO L87 Difference]: Start difference. First operand 288 states and 413 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:56,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:56,610 INFO L93 Difference]: Finished difference Result 313 states and 437 transitions. [2022-02-18 15:40:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 15:40:56,611 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:56,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:56,611 INFO L225 Difference]: With dead ends: 313 [2022-02-18 15:40:56,611 INFO L226 Difference]: Without dead ends: 288 [2022-02-18 15:40:56,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-02-18 15:40:56,611 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 61 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:56,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 381 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:40:56,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-02-18 15:40:56,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-02-18 15:40:56,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 287 states have (on average 1.4285714285714286) internal successors, (410), 287 states have internal predecessors, (410), 0 states have call successors, (0), 0 states 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 15:40:56,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 410 transitions. [2022-02-18 15:40:56,614 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 410 transitions. Word has length 116 [2022-02-18 15:40:56,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:56,614 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 410 transitions. [2022-02-18 15:40:56,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:56,614 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 410 transitions. [2022-02-18 15:40:56,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:56,614 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:56,614 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:56,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2022-02-18 15:40:56,615 INFO L402 AbstractCegarLoop]: === Iteration 258 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:56,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:56,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1256423225, now seen corresponding path program 38 times [2022-02-18 15:40:56,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:56,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872328350] [2022-02-18 15:40:56,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:56,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:57,425 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 15:40:57,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:57,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872328350] [2022-02-18 15:40:57,425 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872328350] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:57,425 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:57,426 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-18 15:40:57,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212527324] [2022-02-18 15:40:57,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:57,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-18 15:40:57,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:57,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-18 15:40:57,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-02-18 15:40:57,426 INFO L87 Difference]: Start difference. First operand 288 states and 410 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:57,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:57,816 INFO L93 Difference]: Finished difference Result 310 states and 431 transitions. [2022-02-18 15:40:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 15:40:57,817 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:57,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:57,817 INFO L225 Difference]: With dead ends: 310 [2022-02-18 15:40:57,817 INFO L226 Difference]: Without dead ends: 222 [2022-02-18 15:40:57,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-02-18 15:40:57,817 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 109 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:57,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 349 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:40:57,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-02-18 15:40:57,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-02-18 15:40:57,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.3755656108597285) internal successors, (304), 221 states have internal predecessors, (304), 0 states have call successors, (0), 0 states 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 15:40:57,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 304 transitions. [2022-02-18 15:40:57,819 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 304 transitions. Word has length 116 [2022-02-18 15:40:57,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:57,819 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 304 transitions. [2022-02-18 15:40:57,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:57,819 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 304 transitions. [2022-02-18 15:40:57,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-02-18 15:40:57,820 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 15:40:57,820 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, 1, 1, 1, 1, 1, 1] [2022-02-18 15:40:57,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2022-02-18 15:40:57,820 INFO L402 AbstractCegarLoop]: === Iteration 259 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-18 15:40:57,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 15:40:57,820 INFO L85 PathProgramCache]: Analyzing trace with hash -242398841, now seen corresponding path program 39 times [2022-02-18 15:40:57,820 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 15:40:57,820 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229501736] [2022-02-18 15:40:57,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 15:40:57,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 15:40:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 15:40:58,597 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 15:40:58,597 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 15:40:58,597 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229501736] [2022-02-18 15:40:58,597 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229501736] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 15:40:58,597 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 15:40:58,597 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 15:40:58,597 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288238866] [2022-02-18 15:40:58,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 15:40:58,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 15:40:58,598 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 15:40:58,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 15:40:58,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-02-18 15:40:58,598 INFO L87 Difference]: Start difference. First operand 222 states and 304 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:59,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 15:40:59,105 INFO L93 Difference]: Finished difference Result 206 states and 273 transitions. [2022-02-18 15:40:59,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 15:40:59,106 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-02-18 15:40:59,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 15:40:59,106 INFO L225 Difference]: With dead ends: 206 [2022-02-18 15:40:59,106 INFO L226 Difference]: Without dead ends: 0 [2022-02-18 15:40:59,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2022-02-18 15:40:59,106 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 114 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-18 15:40:59,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 347 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-18 15:40:59,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-18 15:40:59,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-18 15:40:59,106 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 15:40:59,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-18 15:40:59,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2022-02-18 15:40:59,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 15:40:59,107 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-18 15:40:59,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 15:40:59,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-18 15:40:59,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-18 15:40:59,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-18 15:40:59,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-18 15:40:59,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-18 15:40:59,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-18 15:40:59,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-18 15:40:59,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-18 15:40:59,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-18 15:40:59,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2022-02-18 15:40:59,111 INFO L732 BasicCegarLoop]: Path program histogram: [39, 36, 34, 28, 26, 20, 13, 13, 12, 8, 7, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1] [2022-02-18 15:40:59,114 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 15:40:59,114 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 15:40:59,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 03:40:59 BasicIcfg [2022-02-18 15:40:59,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 15:40:59,115 INFO L158 Benchmark]: Toolchain (without parser) took 325235.81ms. Allocated memory was 196.1MB in the beginning and 588.3MB in the end (delta: 392.2MB). Free memory was 144.0MB in the beginning and 540.3MB in the end (delta: -396.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 15:40:59,115 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 196.1MB. Free memory is still 162.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 15:40:59,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.58ms. Allocated memory is still 196.1MB. Free memory was 143.8MB in the beginning and 154.3MB in the end (delta: -10.5MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-02-18 15:40:59,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.91ms. Allocated memory is still 196.1MB. Free memory was 154.3MB in the beginning and 151.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-18 15:40:59,115 INFO L158 Benchmark]: Boogie Preprocessor took 37.36ms. Allocated memory is still 196.1MB. Free memory was 151.7MB in the beginning and 150.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 15:40:59,115 INFO L158 Benchmark]: RCFGBuilder took 366.48ms. Allocated memory is still 196.1MB. Free memory was 149.6MB in the beginning and 134.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-18 15:40:59,115 INFO L158 Benchmark]: TraceAbstraction took 324305.48ms. Allocated memory was 196.1MB in the beginning and 588.3MB in the end (delta: 392.2MB). Free memory was 134.4MB in the beginning and 540.3MB in the end (delta: -405.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 15:40:59,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 196.1MB. Free memory is still 162.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 456.58ms. Allocated memory is still 196.1MB. Free memory was 143.8MB in the beginning and 154.3MB in the end (delta: -10.5MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.91ms. Allocated memory is still 196.1MB. Free memory was 154.3MB in the beginning and 151.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.36ms. Allocated memory is still 196.1MB. Free memory was 151.7MB in the beginning and 150.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 366.48ms. Allocated memory is still 196.1MB. Free memory was 149.6MB in the beginning and 134.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 324305.48ms. Allocated memory was 196.1MB in the beginning and 588.3MB in the end (delta: 392.2MB). Free memory was 134.4MB in the beginning and 540.3MB in the end (delta: -405.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 944]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 944]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: 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, 144 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 324.1s, OverallIterations: 259, TraceHistogramMax: 10, PathProgramHistogramMax: 39, EmptinessCheckTime: 0.3s, AutomataDifference: 161.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65386 SdHoareTripleChecker+Valid, 100.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65386 mSDsluCounter, 165352 SdHoareTripleChecker+Invalid, 85.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128066 mSDsCounter, 14820 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149195 IncrementalHoareTripleChecker+Invalid, 164015 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14820 mSolverCounterUnsat, 37716 mSDtfsCounter, 149195 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6132 GetRequests, 1214 SyntacticMatches, 471 SemanticMatches, 4447 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19038 ImplicationChecksByTransitivity, 102.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1788occurred in iteration=158, InterpolantAutomatonStates: 3443, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 259 MinimizatonAttempts, 79778 StatesRemovedByMinimization, 251 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 150.5s InterpolantComputationTime, 29497 NumberOfCodeBlocks, 29447 NumberOfCodeBlocksAsserted, 264 NumberOfCheckSat, 29416 ConstructedInterpolants, 0 QuantifiedInterpolants, 496978 SizeOfPredicates, 22 NumberOfNonLiveVariables, 686 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 267 InterpolantComputations, 256 PerfectInterpolantSequences, 59350/59873 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 15:40:59,151 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...