/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-4b0ab11 [2022-03-03 18:21:35,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 18:21:35,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 18:21:35,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-03 18:21:35,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 18:21:35,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 18:21:35,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 18:21:35,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-03 18:21:35,869 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 18:21:35,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 18:21:35,869 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 18:21:35,870 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 18:21:35,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 18:21:35,870 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 18:21:35,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 18:21:35,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 18:21:35,871 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 18:21:35,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 18:21:35,871 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 18:21:35,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 18:21:35,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 18:21:35,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 18:21:35,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 18:21:35,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 18:21:35,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 18:21:35,872 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 18:21:35,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 18:21:35,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 18:21:35,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 18:21:35,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 18:21:35,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 18:21:35,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 18:21:35,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 18:21:35,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:21:35,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 18:21:35,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 18:21:35,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 18:21:35,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 18:21:35,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 18:21:35,874 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 18:21:35,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 18:21:35,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-03 18:21:36,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 18:21:36,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 18:21:36,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 18:21:36,063 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 18:21:36,065 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 18:21:36,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i [2022-03-03 18:21:36,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a852214/e0de70b0e2a344cebce448618f4dc2c9/FLAG873ce55fc [2022-03-03 18:21:36,533 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 18:21:36,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_08-tricky_address3.i [2022-03-03 18:21:36,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a852214/e0de70b0e2a344cebce448618f4dc2c9/FLAG873ce55fc [2022-03-03 18:21:36,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83a852214/e0de70b0e2a344cebce448618f4dc2c9 [2022-03-03 18:21:36,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 18:21:36,866 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 18:21:36,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 18:21:36,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 18:21:36,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 18:21:36,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:21:36" (1/1) ... [2022-03-03 18:21:36,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e6bf47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:36, skipping insertion in model container [2022-03-03 18:21:36,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:21:36" (1/1) ... [2022-03-03 18:21:36,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 18:21:36,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 18:21:37,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:21:37,336 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 18:21:37,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:21:37,407 INFO L208 MainTranslator]: Completed translation [2022-03-03 18:21:37,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:37 WrapperNode [2022-03-03 18:21:37,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 18:21:37,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 18:21:37,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 18:21:37,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 18:21:37,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:37" (1/1) ... [2022-03-03 18:21:37,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:37" (1/1) ... [2022-03-03 18:21:37,442 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-03-03 18:21:37,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 18:21:37,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 18:21:37,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 18:21:37,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 18:21:37,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:37" (1/1) ... [2022-03-03 18:21:37,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:37" (1/1) ... [2022-03-03 18:21:37,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:37" (1/1) ... [2022-03-03 18:21:37,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:37" (1/1) ... [2022-03-03 18:21:37,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:37" (1/1) ... [2022-03-03 18:21:37,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:37" (1/1) ... [2022-03-03 18:21:37,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:37" (1/1) ... [2022-03-03 18:21:37,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 18:21:37,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 18:21:37,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 18:21:37,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 18:21:37,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:37" (1/1) ... [2022-03-03 18:21:37,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:21:37,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:37,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-03 18:21:37,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-03 18:21:37,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 18:21:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 18:21:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 18:21:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 18:21:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-03 18:21:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 18:21:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 18:21:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 18:21:37,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 18:21:37,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 18:21:37,540 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 18:21:37,610 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 18:21:37,611 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 18:21:37,746 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 18:21:37,751 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 18:21:37,751 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-03 18:21:37,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:21:37 BoogieIcfgContainer [2022-03-03 18:21:37,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 18:21:37,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 18:21:37,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 18:21:37,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 18:21:37,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:21:36" (1/3) ... [2022-03-03 18:21:37,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483f9f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:21:37, skipping insertion in model container [2022-03-03 18:21:37,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:21:37" (2/3) ... [2022-03-03 18:21:37,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483f9f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:21:37, skipping insertion in model container [2022-03-03 18:21:37,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:21:37" (3/3) ... [2022-03-03 18:21:37,757 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_08-tricky_address3.i [2022-03-03 18:21:37,760 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 18:21:37,760 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 18:21:37,761 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-03 18:21:37,761 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 18:21:37,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,794 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,795 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,801 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,803 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,803 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,803 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,803 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,805 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,806 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:21:37,808 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-03 18:21:37,834 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 18:21:37,838 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 18:21:37,839 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-03 18:21:37,845 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 106 transitions, 217 flow [2022-03-03 18:21:37,922 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) [2022-03-03 18:21:37,925 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) [2022-03-03 18:21:37,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-03 18:21:37,930 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:37,931 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:37,931 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:37,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:37,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1316832337, now seen corresponding path program 1 times [2022-03-03 18:21:37,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:37,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009062505] [2022-03-03 18:21:37,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:37,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:38,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:38,087 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009062505] [2022-03-03 18:21:38,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009062505] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:38,087 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:38,087 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:21:38,088 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008998351] [2022-03-03 18:21:38,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:38,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-03 18:21:38,091 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:38,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-03 18:21:38,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 18:21:38,112 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) [2022-03-03 18:21:38,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:38,148 INFO L93 Difference]: Finished difference Result 1195 states and 2288 transitions. [2022-03-03 18:21:38,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 18:21:38,150 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 [2022-03-03 18:21:38,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:38,171 INFO L225 Difference]: With dead ends: 1195 [2022-03-03 18:21:38,171 INFO L226 Difference]: Without dead ends: 1183 [2022-03-03 18:21:38,172 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 [2022-03-03 18:21:38,174 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 [2022-03-03 18:21:38,180 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] [2022-03-03 18:21:38,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-03-03 18:21:38,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2022-03-03 18:21:38,248 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) [2022-03-03 18:21:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 2265 transitions. [2022-03-03 18:21:38,253 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 2265 transitions. Word has length 37 [2022-03-03 18:21:38,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:38,253 INFO L470 AbstractCegarLoop]: Abstraction has 1183 states and 2265 transitions. [2022-03-03 18:21:38,253 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) [2022-03-03 18:21:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 2265 transitions. [2022-03-03 18:21:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-03 18:21:38,254 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:38,254 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:38,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 18:21:38,255 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:38,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:38,256 INFO L85 PathProgramCache]: Analyzing trace with hash 900925616, now seen corresponding path program 1 times [2022-03-03 18:21:38,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:38,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330144948] [2022-03-03 18:21:38,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:38,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:38,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:38,302 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:38,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330144948] [2022-03-03 18:21:38,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330144948] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:38,303 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:38,303 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-03 18:21:38,303 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457741174] [2022-03-03 18:21:38,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:38,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:21:38,304 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:38,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:21:38,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:21:38,305 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) [2022-03-03 18:21:38,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:38,324 INFO L93 Difference]: Finished difference Result 1187 states and 2269 transitions. [2022-03-03 18:21:38,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:21:38,324 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 [2022-03-03 18:21:38,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:38,328 INFO L225 Difference]: With dead ends: 1187 [2022-03-03 18:21:38,329 INFO L226 Difference]: Without dead ends: 1187 [2022-03-03 18:21:38,329 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 [2022-03-03 18:21:38,330 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 [2022-03-03 18:21:38,330 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] [2022-03-03 18:21:38,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2022-03-03 18:21:38,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1184. [2022-03-03 18:21:38,355 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) [2022-03-03 18:21:38,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2266 transitions. [2022-03-03 18:21:38,358 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2266 transitions. Word has length 37 [2022-03-03 18:21:38,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:38,358 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2266 transitions. [2022-03-03 18:21:38,359 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) [2022-03-03 18:21:38,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2266 transitions. [2022-03-03 18:21:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-03 18:21:38,360 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:38,360 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] [2022-03-03 18:21:38,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 18:21:38,360 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:38,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:38,360 INFO L85 PathProgramCache]: Analyzing trace with hash 438260885, now seen corresponding path program 1 times [2022-03-03 18:21:38,361 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:38,361 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138063961] [2022-03-03 18:21:38,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:38,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:38,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:38,438 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:38,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138063961] [2022-03-03 18:21:38,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138063961] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 18:21:38,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290968946] [2022-03-03 18:21:38,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:38,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:38,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:38,447 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) [2022-03-03 18:21:38,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-03 18:21:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:38,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-03 18:21:38,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 18:21:38,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:38,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 18:21:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:38,712 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290968946] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 18:21:38,712 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 18:21:38,712 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-03 18:21:38,712 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579964236] [2022-03-03 18:21:38,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 18:21:38,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:21:38,713 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:38,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:21:38,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:21:38,713 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) [2022-03-03 18:21:38,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:38,772 INFO L93 Difference]: Finished difference Result 1194 states and 2276 transitions. [2022-03-03 18:21:38,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 18:21:38,772 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 [2022-03-03 18:21:38,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:38,776 INFO L225 Difference]: With dead ends: 1194 [2022-03-03 18:21:38,776 INFO L226 Difference]: Without dead ends: 1194 [2022-03-03 18:21:38,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-03 18:21:38,799 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 [2022-03-03 18:21:38,800 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] [2022-03-03 18:21:38,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2022-03-03 18:21:38,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1194. [2022-03-03 18:21:38,816 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) [2022-03-03 18:21:38,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 2276 transitions. [2022-03-03 18:21:38,819 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 2276 transitions. Word has length 42 [2022-03-03 18:21:38,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:38,819 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 2276 transitions. [2022-03-03 18:21:38,819 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) [2022-03-03 18:21:38,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 2276 transitions. [2022-03-03 18:21:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-03 18:21:38,820 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:38,820 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] [2022-03-03 18:21:38,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-03 18:21:39,038 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 [2022-03-03 18:21:39,038 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:39,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:39,039 INFO L85 PathProgramCache]: Analyzing trace with hash 432939381, now seen corresponding path program 2 times [2022-03-03 18:21:39,039 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:39,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567595241] [2022-03-03 18:21:39,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:39,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:39,114 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:39,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567595241] [2022-03-03 18:21:39,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567595241] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 18:21:39,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127332670] [2022-03-03 18:21:39,114 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 18:21:39,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:39,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:39,116 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) [2022-03-03 18:21:39,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-03 18:21:39,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-03 18:21:39,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 18:21:39,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-03 18:21:39,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 18:21:39,266 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 [2022-03-03 18:21:39,287 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-03-03 18:21:39,287 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 [2022-03-03 18:21:39,318 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-03-03 18:21:39,318 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 [2022-03-03 18:21:39,362 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-03-03 18:21:39,363 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 [2022-03-03 18:21:39,387 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-03 18:21:39,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-03 18:21:39,389 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127332670] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:39,389 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-03 18:21:39,391 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-03-03 18:21:39,391 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135143879] [2022-03-03 18:21:39,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:39,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:39,395 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:39,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:39,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:21:39,396 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) [2022-03-03 18:21:39,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:39,609 INFO L93 Difference]: Finished difference Result 1262 states and 2404 transitions. [2022-03-03 18:21:39,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:39,610 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 [2022-03-03 18:21:39,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:39,615 INFO L225 Difference]: With dead ends: 1262 [2022-03-03 18:21:39,615 INFO L226 Difference]: Without dead ends: 1262 [2022-03-03 18:21:39,615 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 [2022-03-03 18:21:39,619 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 128 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-03 18:21:39,620 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] [2022-03-03 18:21:39,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-03-03 18:21:39,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1214. [2022-03-03 18:21:39,637 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) [2022-03-03 18:21:39,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 2312 transitions. [2022-03-03 18:21:39,640 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 2312 transitions. Word has length 52 [2022-03-03 18:21:39,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:39,641 INFO L470 AbstractCegarLoop]: Abstraction has 1214 states and 2312 transitions. [2022-03-03 18:21:39,641 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) [2022-03-03 18:21:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 2312 transitions. [2022-03-03 18:21:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-03-03 18:21:39,646 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:39,646 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] [2022-03-03 18:21:39,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-03 18:21:39,862 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 [2022-03-03 18:21:39,863 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:39,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:39,863 INFO L85 PathProgramCache]: Analyzing trace with hash 491733010, now seen corresponding path program 1 times [2022-03-03 18:21:39,863 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:39,863 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911095118] [2022-03-03 18:21:39,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:39,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:39,931 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:39,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911095118] [2022-03-03 18:21:39,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911095118] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 18:21:39,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768237950] [2022-03-03 18:21:39,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:39,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:39,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:39,932 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) [2022-03-03 18:21:39,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-03 18:21:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:40,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-03 18:21:40,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 18:21:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:40,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 18:21:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:40,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768237950] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 18:21:40,244 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 18:21:40,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-03 18:21:40,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175846502] [2022-03-03 18:21:40,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 18:21:40,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-03 18:21:40,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:40,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-03 18:21:40,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:21:40,245 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) [2022-03-03 18:21:40,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:40,385 INFO L93 Difference]: Finished difference Result 1234 states and 2332 transitions. [2022-03-03 18:21:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-03 18:21:40,386 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 [2022-03-03 18:21:40,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:40,390 INFO L225 Difference]: With dead ends: 1234 [2022-03-03 18:21:40,390 INFO L226 Difference]: Without dead ends: 1234 [2022-03-03 18:21:40,390 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 [2022-03-03 18:21:40,391 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 [2022-03-03 18:21:40,391 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] [2022-03-03 18:21:40,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2022-03-03 18:21:40,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1234. [2022-03-03 18:21:40,407 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) [2022-03-03 18:21:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 2332 transitions. [2022-03-03 18:21:40,410 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 2332 transitions. Word has length 60 [2022-03-03 18:21:40,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:40,410 INFO L470 AbstractCegarLoop]: Abstraction has 1234 states and 2332 transitions. [2022-03-03 18:21:40,410 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) [2022-03-03 18:21:40,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 2332 transitions. [2022-03-03 18:21:40,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-03-03 18:21:40,411 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:40,411 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] [2022-03-03 18:21:40,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-03 18:21:40,631 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 [2022-03-03 18:21:40,632 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:40,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:40,632 INFO L85 PathProgramCache]: Analyzing trace with hash 656757202, now seen corresponding path program 2 times [2022-03-03 18:21:40,632 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:40,632 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883606843] [2022-03-03 18:21:40,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:40,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:40,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:40,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883606843] [2022-03-03 18:21:40,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883606843] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 18:21:40,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010600747] [2022-03-03 18:21:40,772 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 18:21:40,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:40,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:40,773 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) [2022-03-03 18:21:40,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-03 18:21:40,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-03 18:21:40,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 18:21:40,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-03 18:21:40,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 18:21:40,920 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 [2022-03-03 18:21:40,941 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-03-03 18:21:40,941 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 [2022-03-03 18:21:40,973 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-03-03 18:21:40,973 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 [2022-03-03 18:21:41,020 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-03-03 18:21:41,020 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 [2022-03-03 18:21:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-03-03 18:21:41,045 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-03 18:21:41,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010600747] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:41,045 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-03 18:21:41,059 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-03-03 18:21:41,059 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587665072] [2022-03-03 18:21:41,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:41,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:41,060 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:41,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:41,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:21:41,060 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) [2022-03-03 18:21:41,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:41,208 INFO L93 Difference]: Finished difference Result 1341 states and 2532 transitions. [2022-03-03 18:21:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:41,209 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 [2022-03-03 18:21:41,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:41,212 INFO L225 Difference]: With dead ends: 1341 [2022-03-03 18:21:41,212 INFO L226 Difference]: Without dead ends: 1197 [2022-03-03 18:21:41,213 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 [2022-03-03 18:21:41,213 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:41,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 404 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:21:41,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-03-03 18:21:41,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1155. [2022-03-03 18:21:41,230 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) [2022-03-03 18:21:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 2164 transitions. [2022-03-03 18:21:41,233 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 2164 transitions. Word has length 80 [2022-03-03 18:21:41,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:41,234 INFO L470 AbstractCegarLoop]: Abstraction has 1155 states and 2164 transitions. [2022-03-03 18:21:41,234 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) [2022-03-03 18:21:41,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2164 transitions. [2022-03-03 18:21:41,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-03 18:21:41,235 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:41,235 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] [2022-03-03 18:21:41,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-03 18:21:41,452 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 [2022-03-03 18:21:41,452 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:41,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:41,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1425828848, now seen corresponding path program 1 times [2022-03-03 18:21:41,453 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:41,453 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799133872] [2022-03-03 18:21:41,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:41,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:41,612 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:41,612 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799133872] [2022-03-03 18:21:41,612 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799133872] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 18:21:41,612 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016108366] [2022-03-03 18:21:41,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:41,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 18:21:41,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:21:41,629 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) [2022-03-03 18:21:41,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-03 18:21:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:41,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-03 18:21:41,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 18:21:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:41,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 18:21:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:21:42,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016108366] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 18:21:42,002 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 18:21:42,002 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-03-03 18:21:42,002 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678057918] [2022-03-03 18:21:42,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 18:21:42,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-03 18:21:42,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:42,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-03 18:21:42,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:21:42,003 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) [2022-03-03 18:21:42,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:42,216 INFO L93 Difference]: Finished difference Result 1170 states and 2179 transitions. [2022-03-03 18:21:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-03 18:21:42,216 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 [2022-03-03 18:21:42,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:42,219 INFO L225 Difference]: With dead ends: 1170 [2022-03-03 18:21:42,220 INFO L226 Difference]: Without dead ends: 1170 [2022-03-03 18:21:42,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-03-03 18:21:42,221 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, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:42,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 380 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:21:42,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2022-03-03 18:21:42,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1170. [2022-03-03 18:21:42,235 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) [2022-03-03 18:21:42,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 2179 transitions. [2022-03-03 18:21:42,237 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 2179 transitions. Word has length 84 [2022-03-03 18:21:42,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:42,237 INFO L470 AbstractCegarLoop]: Abstraction has 1170 states and 2179 transitions. [2022-03-03 18:21:42,238 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) [2022-03-03 18:21:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2179 transitions. [2022-03-03 18:21:42,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-03-03 18:21:42,238 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:42,238 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] [2022-03-03 18:21:42,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-03 18:21:42,455 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 [2022-03-03 18:21:42,455 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:42,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:42,456 INFO L85 PathProgramCache]: Analyzing trace with hash 2073879691, now seen corresponding path program 2 times [2022-03-03 18:21:42,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:42,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626561909] [2022-03-03 18:21:42,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:42,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:42,534 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:42,534 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626561909] [2022-03-03 18:21:42,534 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626561909] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:42,534 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:42,534 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:21:42,535 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438225235] [2022-03-03 18:21:42,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:42,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:42,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:42,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:42,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:42,535 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) [2022-03-03 18:21:42,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:42,636 INFO L93 Difference]: Finished difference Result 1295 states and 2421 transitions. [2022-03-03 18:21:42,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:42,636 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 [2022-03-03 18:21:42,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:42,641 INFO L225 Difference]: With dead ends: 1295 [2022-03-03 18:21:42,641 INFO L226 Difference]: Without dead ends: 1295 [2022-03-03 18:21:42,641 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 [2022-03-03 18:21:42,642 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 [2022-03-03 18:21:42,642 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] [2022-03-03 18:21:42,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-03-03 18:21:42,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1219. [2022-03-03 18:21:42,657 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) [2022-03-03 18:21:42,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 2273 transitions. [2022-03-03 18:21:42,660 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 2273 transitions. Word has length 99 [2022-03-03 18:21:42,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:42,660 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 2273 transitions. [2022-03-03 18:21:42,660 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) [2022-03-03 18:21:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 2273 transitions. [2022-03-03 18:21:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-03-03 18:21:42,661 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:42,661 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:42,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-03 18:21:42,661 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:42,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:42,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1373859952, now seen corresponding path program 1 times [2022-03-03 18:21:42,662 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:42,662 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693614115] [2022-03-03 18:21:42,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:42,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:42,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:42,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693614115] [2022-03-03 18:21:42,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693614115] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:42,757 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:42,757 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 18:21:42,757 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516615186] [2022-03-03 18:21:42,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:42,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 18:21:42,757 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:42,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 18:21:42,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-03 18:21:42,758 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) [2022-03-03 18:21:42,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:42,908 INFO L93 Difference]: Finished difference Result 1335 states and 2480 transitions. [2022-03-03 18:21:42,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-03 18:21:42,908 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 [2022-03-03 18:21:42,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:42,911 INFO L225 Difference]: With dead ends: 1335 [2022-03-03 18:21:42,911 INFO L226 Difference]: Without dead ends: 1005 [2022-03-03 18:21:42,911 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 [2022-03-03 18:21:42,912 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:42,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 442 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:21:42,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2022-03-03 18:21:42,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 981. [2022-03-03 18:21:42,924 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) [2022-03-03 18:21:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1774 transitions. [2022-03-03 18:21:42,925 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1774 transitions. Word has length 107 [2022-03-03 18:21:42,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:42,926 INFO L470 AbstractCegarLoop]: Abstraction has 981 states and 1774 transitions. [2022-03-03 18:21:42,926 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) [2022-03-03 18:21:42,926 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1774 transitions. [2022-03-03 18:21:42,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:42,927 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:42,927 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:42,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-03 18:21:42,927 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:42,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:42,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1446686969, now seen corresponding path program 1 times [2022-03-03 18:21:42,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:42,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886261753] [2022-03-03 18:21:42,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:42,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:43,276 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:43,276 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886261753] [2022-03-03 18:21:43,276 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886261753] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:43,276 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:43,276 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:21:43,276 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625569053] [2022-03-03 18:21:43,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:43,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:21:43,276 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:43,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:21:43,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:21:43,277 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) [2022-03-03 18:21:43,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:43,720 INFO L93 Difference]: Finished difference Result 1753 states and 3204 transitions. [2022-03-03 18:21:43,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:21:43,720 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 [2022-03-03 18:21:43,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:43,725 INFO L225 Difference]: With dead ends: 1753 [2022-03-03 18:21:43,725 INFO L226 Difference]: Without dead ends: 1753 [2022-03-03 18:21:43,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:21:43,726 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:43,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 527 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:43,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2022-03-03 18:21:43,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1086. [2022-03-03 18:21:43,741 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) [2022-03-03 18:21:43,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1984 transitions. [2022-03-03 18:21:43,743 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1984 transitions. Word has length 113 [2022-03-03 18:21:43,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:43,743 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1984 transitions. [2022-03-03 18:21:43,743 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) [2022-03-03 18:21:43,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1984 transitions. [2022-03-03 18:21:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:43,744 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:43,744 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:43,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-03 18:21:43,745 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:43,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:43,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1733561321, now seen corresponding path program 1 times [2022-03-03 18:21:43,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:43,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578291187] [2022-03-03 18:21:43,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:43,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:44,079 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:44,079 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578291187] [2022-03-03 18:21:44,079 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578291187] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:44,079 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:44,079 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:21:44,079 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103439226] [2022-03-03 18:21:44,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:44,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:21:44,079 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:44,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:21:44,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:21:44,080 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) [2022-03-03 18:21:44,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:44,754 INFO L93 Difference]: Finished difference Result 1743 states and 3187 transitions. [2022-03-03 18:21:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:21:44,755 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 [2022-03-03 18:21:44,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:44,759 INFO L225 Difference]: With dead ends: 1743 [2022-03-03 18:21:44,759 INFO L226 Difference]: Without dead ends: 1743 [2022-03-03 18:21:44,760 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 [2022-03-03 18:21:44,760 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:44,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 465 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:44,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1743 states. [2022-03-03 18:21:44,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1743 to 1245. [2022-03-03 18:21:44,776 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) [2022-03-03 18:21:44,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 2297 transitions. [2022-03-03 18:21:44,778 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 2297 transitions. Word has length 113 [2022-03-03 18:21:44,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:44,778 INFO L470 AbstractCegarLoop]: Abstraction has 1245 states and 2297 transitions. [2022-03-03 18:21:44,778 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) [2022-03-03 18:21:44,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 2297 transitions. [2022-03-03 18:21:44,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:44,780 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:44,780 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:44,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-03 18:21:44,780 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:44,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:44,780 INFO L85 PathProgramCache]: Analyzing trace with hash 376746620, now seen corresponding path program 1 times [2022-03-03 18:21:44,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:44,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670229915] [2022-03-03 18:21:44,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:44,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:45,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:45,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670229915] [2022-03-03 18:21:45,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670229915] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:45,602 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:45,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:21:45,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697710559] [2022-03-03 18:21:45,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:45,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:21:45,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:45,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:21:45,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:21:45,604 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) [2022-03-03 18:21:46,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:46,371 INFO L93 Difference]: Finished difference Result 1781 states and 3259 transitions. [2022-03-03 18:21:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-03 18:21:46,371 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 [2022-03-03 18:21:46,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:46,376 INFO L225 Difference]: With dead ends: 1781 [2022-03-03 18:21:46,376 INFO L226 Difference]: Without dead ends: 1781 [2022-03-03 18:21:46,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=273, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:21:46,377 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:46,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 787 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:21:46,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2022-03-03 18:21:46,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1252. [2022-03-03 18:21:46,393 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) [2022-03-03 18:21:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2311 transitions. [2022-03-03 18:21:46,394 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2311 transitions. Word has length 113 [2022-03-03 18:21:46,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:46,395 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2311 transitions. [2022-03-03 18:21:46,395 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) [2022-03-03 18:21:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2311 transitions. [2022-03-03 18:21:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:46,396 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:46,396 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:46,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-03 18:21:46,396 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:46,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:46,397 INFO L85 PathProgramCache]: Analyzing trace with hash -758070434, now seen corresponding path program 2 times [2022-03-03 18:21:46,397 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:46,397 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602089717] [2022-03-03 18:21:46,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:46,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:47,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:47,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602089717] [2022-03-03 18:21:47,066 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602089717] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:47,066 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:47,066 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:21:47,066 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138488823] [2022-03-03 18:21:47,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:47,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:21:47,067 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:47,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:21:47,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:21:47,067 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) [2022-03-03 18:21:47,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:47,919 INFO L93 Difference]: Finished difference Result 1769 states and 3235 transitions. [2022-03-03 18:21:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:21:47,920 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 [2022-03-03 18:21:47,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:47,925 INFO L225 Difference]: With dead ends: 1769 [2022-03-03 18:21:47,925 INFO L226 Difference]: Without dead ends: 1769 [2022-03-03 18:21:47,925 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 [2022-03-03 18:21:47,925 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 235 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:47,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 673 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-03 18:21:47,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2022-03-03 18:21:47,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1261. [2022-03-03 18:21:47,941 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) [2022-03-03 18:21:47,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 2329 transitions. [2022-03-03 18:21:47,943 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 2329 transitions. Word has length 113 [2022-03-03 18:21:47,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:47,944 INFO L470 AbstractCegarLoop]: Abstraction has 1261 states and 2329 transitions. [2022-03-03 18:21:47,944 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) [2022-03-03 18:21:47,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 2329 transitions. [2022-03-03 18:21:47,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:47,945 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:47,945 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:47,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-03 18:21:47,945 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:47,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:47,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1324244250, now seen corresponding path program 3 times [2022-03-03 18:21:47,946 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:47,946 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831408193] [2022-03-03 18:21:47,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:47,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:48,776 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:48,776 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831408193] [2022-03-03 18:21:48,776 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831408193] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:48,776 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:48,776 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:21:48,776 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973413206] [2022-03-03 18:21:48,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:48,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:21:48,777 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:48,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:21:48,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:21:48,777 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) [2022-03-03 18:21:49,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:49,381 INFO L93 Difference]: Finished difference Result 1850 states and 3397 transitions. [2022-03-03 18:21:49,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 18:21:49,381 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 [2022-03-03 18:21:49,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:49,404 INFO L225 Difference]: With dead ends: 1850 [2022-03-03 18:21:49,404 INFO L226 Difference]: Without dead ends: 1850 [2022-03-03 18:21:49,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=160, Invalid=302, Unknown=0, NotChecked=0, Total=462 [2022-03-03 18:21:49,404 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 285 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-03-03 18:21:49,405 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] [2022-03-03 18:21:49,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2022-03-03 18:21:49,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1276. [2022-03-03 18:21:49,439 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) [2022-03-03 18:21:49,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 2359 transitions. [2022-03-03 18:21:49,456 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 2359 transitions. Word has length 113 [2022-03-03 18:21:49,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:49,457 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 2359 transitions. [2022-03-03 18:21:49,457 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) [2022-03-03 18:21:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 2359 transitions. [2022-03-03 18:21:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:49,458 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:49,458 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:49,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-03 18:21:49,459 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:49,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:49,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1216231488, now seen corresponding path program 4 times [2022-03-03 18:21:49,459 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:49,459 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027784977] [2022-03-03 18:21:49,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:49,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:50,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:50,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027784977] [2022-03-03 18:21:50,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027784977] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:50,161 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:50,162 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:21:50,162 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176509623] [2022-03-03 18:21:50,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:50,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:21:50,162 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:50,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:21:50,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:21:50,163 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) [2022-03-03 18:21:50,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:50,806 INFO L93 Difference]: Finished difference Result 1917 states and 3531 transitions. [2022-03-03 18:21:50,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:21:50,807 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 [2022-03-03 18:21:50,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:50,812 INFO L225 Difference]: With dead ends: 1917 [2022-03-03 18:21:50,812 INFO L226 Difference]: Without dead ends: 1917 [2022-03-03 18:21:50,813 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 [2022-03-03 18:21:50,813 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 [2022-03-03 18:21:50,813 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] [2022-03-03 18:21:50,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2022-03-03 18:21:50,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1311. [2022-03-03 18:21:50,857 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) [2022-03-03 18:21:50,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 2429 transitions. [2022-03-03 18:21:50,859 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 2429 transitions. Word has length 113 [2022-03-03 18:21:50,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:50,860 INFO L470 AbstractCegarLoop]: Abstraction has 1311 states and 2429 transitions. [2022-03-03 18:21:50,860 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) [2022-03-03 18:21:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 2429 transitions. [2022-03-03 18:21:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:50,861 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:50,861 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] [2022-03-03 18:21:50,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-03 18:21:50,862 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:50,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:50,862 INFO L85 PathProgramCache]: Analyzing trace with hash -835243848, now seen corresponding path program 5 times [2022-03-03 18:21:50,862 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:50,862 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117512830] [2022-03-03 18:21:50,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:50,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:51,275 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:51,276 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117512830] [2022-03-03 18:21:51,276 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117512830] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:51,276 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:51,276 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:21:51,276 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461198627] [2022-03-03 18:21:51,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:51,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:21:51,276 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:51,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:21:51,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:21:51,277 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) [2022-03-03 18:21:51,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:51,784 INFO L93 Difference]: Finished difference Result 1816 states and 3329 transitions. [2022-03-03 18:21:51,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:21:51,784 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 [2022-03-03 18:21:51,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:51,789 INFO L225 Difference]: With dead ends: 1816 [2022-03-03 18:21:51,789 INFO L226 Difference]: Without dead ends: 1816 [2022-03-03 18:21:51,789 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 [2022-03-03 18:21:51,789 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 190 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:51,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 638 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:51,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2022-03-03 18:21:51,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1300. [2022-03-03 18:21:51,803 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) [2022-03-03 18:21:51,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 2407 transitions. [2022-03-03 18:21:51,805 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 2407 transitions. Word has length 113 [2022-03-03 18:21:51,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:51,805 INFO L470 AbstractCegarLoop]: Abstraction has 1300 states and 2407 transitions. [2022-03-03 18:21:51,805 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) [2022-03-03 18:21:51,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 2407 transitions. [2022-03-03 18:21:51,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:51,806 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:51,807 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:51,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-03 18:21:51,807 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:51,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:51,807 INFO L85 PathProgramCache]: Analyzing trace with hash 874882793, now seen corresponding path program 1 times [2022-03-03 18:21:51,807 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:51,807 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292958798] [2022-03-03 18:21:51,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:51,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:51,918 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:51,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292958798] [2022-03-03 18:21:51,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292958798] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:51,918 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:51,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:21:51,918 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504266636] [2022-03-03 18:21:51,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:51,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:21:51,919 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:51,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:21:51,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:21:51,919 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) [2022-03-03 18:21:52,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:52,525 INFO L93 Difference]: Finished difference Result 1795 states and 3290 transitions. [2022-03-03 18:21:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-03 18:21:52,526 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 [2022-03-03 18:21:52,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:52,529 INFO L225 Difference]: With dead ends: 1795 [2022-03-03 18:21:52,529 INFO L226 Difference]: Without dead ends: 1795 [2022-03-03 18:21:52,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:21:52,529 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 311 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:52,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [311 Valid, 851 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:52,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2022-03-03 18:21:52,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1311. [2022-03-03 18:21:52,554 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) [2022-03-03 18:21:52,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 2429 transitions. [2022-03-03 18:21:52,556 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 2429 transitions. Word has length 113 [2022-03-03 18:21:52,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:52,556 INFO L470 AbstractCegarLoop]: Abstraction has 1311 states and 2429 transitions. [2022-03-03 18:21:52,557 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) [2022-03-03 18:21:52,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 2429 transitions. [2022-03-03 18:21:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:52,560 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:52,560 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] [2022-03-03 18:21:52,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-03 18:21:52,560 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:52,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:52,560 INFO L85 PathProgramCache]: Analyzing trace with hash 790273253, now seen corresponding path program 2 times [2022-03-03 18:21:52,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:52,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094638082] [2022-03-03 18:21:52,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:52,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:52,851 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:52,851 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:52,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094638082] [2022-03-03 18:21:52,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094638082] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:52,852 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:52,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:21:52,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573051532] [2022-03-03 18:21:52,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:52,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:21:52,852 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:52,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:21:52,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:21:52,853 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) [2022-03-03 18:21:53,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:53,294 INFO L93 Difference]: Finished difference Result 1818 states and 3329 transitions. [2022-03-03 18:21:53,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:21:53,294 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 [2022-03-03 18:21:53,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:53,298 INFO L225 Difference]: With dead ends: 1818 [2022-03-03 18:21:53,298 INFO L226 Difference]: Without dead ends: 1818 [2022-03-03 18:21:53,298 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 [2022-03-03 18:21:53,298 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:53,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 455 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:21:53,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-03-03 18:21:53,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1355. [2022-03-03 18:21:53,316 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) [2022-03-03 18:21:53,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 2508 transitions. [2022-03-03 18:21:53,318 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 2508 transitions. Word has length 113 [2022-03-03 18:21:53,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:53,318 INFO L470 AbstractCegarLoop]: Abstraction has 1355 states and 2508 transitions. [2022-03-03 18:21:53,318 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) [2022-03-03 18:21:53,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2508 transitions. [2022-03-03 18:21:53,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:53,320 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:53,320 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:53,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-03 18:21:53,321 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:53,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:53,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1356984961, now seen corresponding path program 2 times [2022-03-03 18:21:53,321 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:53,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184070200] [2022-03-03 18:21:53,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:53,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:54,133 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:54,133 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184070200] [2022-03-03 18:21:54,133 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184070200] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:54,133 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:54,133 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:21:54,134 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773231676] [2022-03-03 18:21:54,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:54,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:21:54,134 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:54,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:21:54,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:21:54,134 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) [2022-03-03 18:21:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:54,939 INFO L93 Difference]: Finished difference Result 2165 states and 4016 transitions. [2022-03-03 18:21:54,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:21:54,940 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 [2022-03-03 18:21:54,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:54,943 INFO L225 Difference]: With dead ends: 2165 [2022-03-03 18:21:54,943 INFO L226 Difference]: Without dead ends: 2165 [2022-03-03 18:21:54,944 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 [2022-03-03 18:21:54,944 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 [2022-03-03 18:21:54,944 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] [2022-03-03 18:21:54,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2022-03-03 18:21:54,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 1406. [2022-03-03 18:21:55,009 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) [2022-03-03 18:21:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-03-03 18:21:55,011 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-03-03 18:21:55,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:55,012 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-03-03 18:21:55,012 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) [2022-03-03 18:21:55,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-03-03 18:21:55,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:55,014 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:55,014 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:55,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-03 18:21:55,014 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:55,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:55,014 INFO L85 PathProgramCache]: Analyzing trace with hash -620012861, now seen corresponding path program 3 times [2022-03-03 18:21:55,014 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:55,014 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684264711] [2022-03-03 18:21:55,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:55,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:55,870 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:55,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684264711] [2022-03-03 18:21:55,871 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684264711] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:55,871 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:55,871 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:21:55,872 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144616919] [2022-03-03 18:21:55,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:55,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:21:55,873 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:55,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:21:55,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:21:55,874 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) [2022-03-03 18:21:56,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:56,791 INFO L93 Difference]: Finished difference Result 2195 states and 4068 transitions. [2022-03-03 18:21:56,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:21:56,791 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 [2022-03-03 18:21:56,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:56,795 INFO L225 Difference]: With dead ends: 2195 [2022-03-03 18:21:56,795 INFO L226 Difference]: Without dead ends: 2195 [2022-03-03 18:21:56,795 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 [2022-03-03 18:21:56,796 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 [2022-03-03 18:21:56,797 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] [2022-03-03 18:21:56,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2195 states. [2022-03-03 18:21:56,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2195 to 1406. [2022-03-03 18:21:56,817 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) [2022-03-03 18:21:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-03-03 18:21:56,819 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-03-03 18:21:56,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:56,819 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-03-03 18:21:56,820 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) [2022-03-03 18:21:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-03-03 18:21:56,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:56,821 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:56,821 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:56,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-03 18:21:56,822 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:56,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:56,822 INFO L85 PathProgramCache]: Analyzing trace with hash 836114431, now seen corresponding path program 4 times [2022-03-03 18:21:56,822 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:56,822 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175568224] [2022-03-03 18:21:56,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:56,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:57,601 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:57,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:57,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175568224] [2022-03-03 18:21:57,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175568224] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:57,602 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:57,602 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:21:57,602 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734974190] [2022-03-03 18:21:57,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:57,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:21:57,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:57,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:21:57,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:21:57,603 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) [2022-03-03 18:21:58,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:58,270 INFO L93 Difference]: Finished difference Result 2215 states and 4108 transitions. [2022-03-03 18:21:58,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:21:58,270 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 [2022-03-03 18:21:58,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:58,274 INFO L225 Difference]: With dead ends: 2215 [2022-03-03 18:21:58,274 INFO L226 Difference]: Without dead ends: 2215 [2022-03-03 18:21:58,275 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 [2022-03-03 18:21:58,276 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:21:58,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 553 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:21:58,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2022-03-03 18:21:58,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 1406. [2022-03-03 18:21:58,302 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) [2022-03-03 18:21:58,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-03-03 18:21:58,305 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-03-03 18:21:58,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:58,305 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-03-03 18:21:58,305 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) [2022-03-03 18:21:58,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-03-03 18:21:58,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:58,308 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:58,308 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:21:58,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-03 18:21:58,308 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:58,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:58,308 INFO L85 PathProgramCache]: Analyzing trace with hash -567711677, now seen corresponding path program 5 times [2022-03-03 18:21:58,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:58,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637887695] [2022-03-03 18:21:58,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:58,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:21:59,059 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:21:59,059 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:21:59,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637887695] [2022-03-03 18:21:59,059 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637887695] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:21:59,059 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:21:59,059 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:21:59,059 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357345684] [2022-03-03 18:21:59,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:21:59,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:21:59,060 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:21:59,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:21:59,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:21:59,060 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) [2022-03-03 18:21:59,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:21:59,628 INFO L93 Difference]: Finished difference Result 2133 states and 3963 transitions. [2022-03-03 18:21:59,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:21:59,629 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 [2022-03-03 18:21:59,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:21:59,632 INFO L225 Difference]: With dead ends: 2133 [2022-03-03 18:21:59,632 INFO L226 Difference]: Without dead ends: 2133 [2022-03-03 18:21:59,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=308, Unknown=0, NotChecked=0, Total=462 [2022-03-03 18:21:59,633 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 [2022-03-03 18:21:59,633 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] [2022-03-03 18:21:59,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2022-03-03 18:21:59,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1406. [2022-03-03 18:21:59,649 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) [2022-03-03 18:21:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2610 transitions. [2022-03-03 18:21:59,651 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2610 transitions. Word has length 113 [2022-03-03 18:21:59,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:21:59,651 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2610 transitions. [2022-03-03 18:21:59,651 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) [2022-03-03 18:21:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2610 transitions. [2022-03-03 18:21:59,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:21:59,653 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:21:59,653 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] [2022-03-03 18:21:59,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-03 18:21:59,653 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:21:59,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:21:59,653 INFO L85 PathProgramCache]: Analyzing trace with hash 551482577, now seen corresponding path program 6 times [2022-03-03 18:21:59,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:21:59,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047061114] [2022-03-03 18:21:59,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:21:59,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:21:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:00,603 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:00,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047061114] [2022-03-03 18:22:00,603 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047061114] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:00,603 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:00,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:00,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025258644] [2022-03-03 18:22:00,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:00,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:00,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:00,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:00,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:00,604 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) [2022-03-03 18:22:01,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:01,489 INFO L93 Difference]: Finished difference Result 2160 states and 4008 transitions. [2022-03-03 18:22:01,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:22:01,489 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 [2022-03-03 18:22:01,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:01,493 INFO L225 Difference]: With dead ends: 2160 [2022-03-03 18:22:01,493 INFO L226 Difference]: Without dead ends: 2160 [2022-03-03 18:22:01,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=156, Invalid=306, Unknown=0, NotChecked=0, Total=462 [2022-03-03 18:22:01,494 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 [2022-03-03 18:22:01,494 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] [2022-03-03 18:22:01,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2022-03-03 18:22:01,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 1429. [2022-03-03 18:22:01,513 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) [2022-03-03 18:22:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2656 transitions. [2022-03-03 18:22:01,515 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2656 transitions. Word has length 113 [2022-03-03 18:22:01,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:01,516 INFO L470 AbstractCegarLoop]: Abstraction has 1429 states and 2656 transitions. [2022-03-03 18:22:01,516 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) [2022-03-03 18:22:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2656 transitions. [2022-03-03 18:22:01,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:01,518 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:01,518 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:01,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-03 18:22:01,518 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:01,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:01,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1288454677, now seen corresponding path program 7 times [2022-03-03 18:22:01,519 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:01,519 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859005997] [2022-03-03 18:22:01,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:01,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:02,676 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:02,676 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859005997] [2022-03-03 18:22:02,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859005997] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:02,677 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:02,677 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:02,677 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070578718] [2022-03-03 18:22:02,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:02,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:02,677 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:02,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:02,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:02,678 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) [2022-03-03 18:22:03,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:03,548 INFO L93 Difference]: Finished difference Result 2178 states and 4044 transitions. [2022-03-03 18:22:03,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:22:03,548 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 [2022-03-03 18:22:03,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:03,555 INFO L225 Difference]: With dead ends: 2178 [2022-03-03 18:22:03,555 INFO L226 Difference]: Without dead ends: 2178 [2022-03-03 18:22:03,556 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 [2022-03-03 18:22:03,556 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 280 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2022-03-03 18:22:03,556 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] [2022-03-03 18:22:03,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2022-03-03 18:22:03,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 1417. [2022-03-03 18:22:03,575 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) [2022-03-03 18:22:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2632 transitions. [2022-03-03 18:22:03,577 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2632 transitions. Word has length 113 [2022-03-03 18:22:03,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:03,577 INFO L470 AbstractCegarLoop]: Abstraction has 1417 states and 2632 transitions. [2022-03-03 18:22:03,577 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) [2022-03-03 18:22:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2632 transitions. [2022-03-03 18:22:03,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:03,578 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:03,579 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:03,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-03 18:22:03,579 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:03,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:03,579 INFO L85 PathProgramCache]: Analyzing trace with hash -121845815, now seen corresponding path program 8 times [2022-03-03 18:22:03,579 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:03,579 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671699555] [2022-03-03 18:22:03,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:03,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:04,482 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:04,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671699555] [2022-03-03 18:22:04,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671699555] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:04,483 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:04,483 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:04,483 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64036725] [2022-03-03 18:22:04,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:04,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:04,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:04,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:04,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:04,485 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) [2022-03-03 18:22:05,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:05,269 INFO L93 Difference]: Finished difference Result 2121 states and 3940 transitions. [2022-03-03 18:22:05,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:22:05,269 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 [2022-03-03 18:22:05,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:05,273 INFO L225 Difference]: With dead ends: 2121 [2022-03-03 18:22:05,273 INFO L226 Difference]: Without dead ends: 2121 [2022-03-03 18:22:05,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:22:05,273 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:05,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 652 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:22:05,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2022-03-03 18:22:05,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 1407. [2022-03-03 18:22:05,289 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) [2022-03-03 18:22:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2612 transitions. [2022-03-03 18:22:05,290 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2612 transitions. Word has length 113 [2022-03-03 18:22:05,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:05,290 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 2612 transitions. [2022-03-03 18:22:05,291 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) [2022-03-03 18:22:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2612 transitions. [2022-03-03 18:22:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:05,292 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:05,292 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] [2022-03-03 18:22:05,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-03 18:22:05,292 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:05,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:05,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1447474959, now seen corresponding path program 9 times [2022-03-03 18:22:05,293 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:05,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199781462] [2022-03-03 18:22:05,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:05,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:06,352 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:06,352 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199781462] [2022-03-03 18:22:06,352 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199781462] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:06,352 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:06,352 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:06,352 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994459332] [2022-03-03 18:22:06,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:06,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:06,352 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:06,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:06,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:06,353 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) [2022-03-03 18:22:07,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:07,315 INFO L93 Difference]: Finished difference Result 2091 states and 3872 transitions. [2022-03-03 18:22:07,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:22:07,315 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 [2022-03-03 18:22:07,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:07,318 INFO L225 Difference]: With dead ends: 2091 [2022-03-03 18:22:07,318 INFO L226 Difference]: Without dead ends: 2091 [2022-03-03 18:22:07,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-03-03 18:22:07,318 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 [2022-03-03 18:22:07,319 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] [2022-03-03 18:22:07,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2022-03-03 18:22:07,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1418. [2022-03-03 18:22:07,337 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) [2022-03-03 18:22:07,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2634 transitions. [2022-03-03 18:22:07,339 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2634 transitions. Word has length 113 [2022-03-03 18:22:07,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:07,339 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 2634 transitions. [2022-03-03 18:22:07,339 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) [2022-03-03 18:22:07,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2634 transitions. [2022-03-03 18:22:07,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:07,340 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:07,340 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:07,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-03 18:22:07,341 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:07,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:07,341 INFO L85 PathProgramCache]: Analyzing trace with hash -2110520237, now seen corresponding path program 10 times [2022-03-03 18:22:07,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:07,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069936351] [2022-03-03 18:22:07,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:07,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:08,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:08,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069936351] [2022-03-03 18:22:08,625 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069936351] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:08,625 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:08,625 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:08,625 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570766942] [2022-03-03 18:22:08,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:08,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:08,625 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:08,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:08,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:08,626 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) [2022-03-03 18:22:09,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:09,416 INFO L93 Difference]: Finished difference Result 2064 states and 3827 transitions. [2022-03-03 18:22:09,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:22:09,418 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 [2022-03-03 18:22:09,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:09,421 INFO L225 Difference]: With dead ends: 2064 [2022-03-03 18:22:09,421 INFO L226 Difference]: Without dead ends: 2064 [2022-03-03 18:22:09,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-03-03 18:22:09,421 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:09,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 903 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:22:09,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2022-03-03 18:22:09,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 1408. [2022-03-03 18:22:09,436 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) [2022-03-03 18:22:09,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 2614 transitions. [2022-03-03 18:22:09,438 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 2614 transitions. Word has length 113 [2022-03-03 18:22:09,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:09,438 INFO L470 AbstractCegarLoop]: Abstraction has 1408 states and 2614 transitions. [2022-03-03 18:22:09,438 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) [2022-03-03 18:22:09,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 2614 transitions. [2022-03-03 18:22:09,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:09,440 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:09,440 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:09,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-03 18:22:09,440 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:09,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:09,441 INFO L85 PathProgramCache]: Analyzing trace with hash 2052449145, now seen corresponding path program 11 times [2022-03-03 18:22:09,441 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:09,441 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570460209] [2022-03-03 18:22:09,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:09,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:10,405 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:10,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570460209] [2022-03-03 18:22:10,405 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570460209] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:10,405 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:10,405 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:10,405 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967538085] [2022-03-03 18:22:10,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:10,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:10,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:10,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:10,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:10,406 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) [2022-03-03 18:22:11,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:11,060 INFO L93 Difference]: Finished difference Result 1975 states and 3658 transitions. [2022-03-03 18:22:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:22:11,060 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 [2022-03-03 18:22:11,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:11,062 INFO L225 Difference]: With dead ends: 1975 [2022-03-03 18:22:11,062 INFO L226 Difference]: Without dead ends: 1975 [2022-03-03 18:22:11,062 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 [2022-03-03 18:22:11,064 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:11,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 667 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:22:11,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2022-03-03 18:22:11,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1426. [2022-03-03 18:22:11,077 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) [2022-03-03 18:22:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2650 transitions. [2022-03-03 18:22:11,078 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2650 transitions. Word has length 113 [2022-03-03 18:22:11,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:11,079 INFO L470 AbstractCegarLoop]: Abstraction has 1426 states and 2650 transitions. [2022-03-03 18:22:11,079 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) [2022-03-03 18:22:11,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2650 transitions. [2022-03-03 18:22:11,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:11,083 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:11,083 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:11,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-03 18:22:11,084 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:11,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:11,084 INFO L85 PathProgramCache]: Analyzing trace with hash -2023297281, now seen corresponding path program 3 times [2022-03-03 18:22:11,084 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:11,084 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867370343] [2022-03-03 18:22:11,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:11,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:11,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:11,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867370343] [2022-03-03 18:22:11,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867370343] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:11,653 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:11,653 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:11,653 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034388878] [2022-03-03 18:22:11,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:11,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:11,653 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:11,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:11,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:11,654 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) [2022-03-03 18:22:12,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:12,794 INFO L93 Difference]: Finished difference Result 2446 states and 4549 transitions. [2022-03-03 18:22:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-03 18:22:12,794 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 [2022-03-03 18:22:12,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:12,797 INFO L225 Difference]: With dead ends: 2446 [2022-03-03 18:22:12,797 INFO L226 Difference]: Without dead ends: 2446 [2022-03-03 18:22:12,798 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 [2022-03-03 18:22:12,798 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 [2022-03-03 18:22:12,798 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] [2022-03-03 18:22:12,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2022-03-03 18:22:12,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 1429. [2022-03-03 18:22:12,812 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) [2022-03-03 18:22:12,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2656 transitions. [2022-03-03 18:22:12,814 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2656 transitions. Word has length 113 [2022-03-03 18:22:12,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:12,814 INFO L470 AbstractCegarLoop]: Abstraction has 1429 states and 2656 transitions. [2022-03-03 18:22:12,814 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) [2022-03-03 18:22:12,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2656 transitions. [2022-03-03 18:22:12,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:12,816 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:12,816 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:12,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-03 18:22:12,816 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:12,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:12,816 INFO L85 PathProgramCache]: Analyzing trace with hash -178145435, now seen corresponding path program 4 times [2022-03-03 18:22:12,816 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:12,816 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996435828] [2022-03-03 18:22:12,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:12,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:13,465 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:13,465 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996435828] [2022-03-03 18:22:13,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996435828] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:13,465 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:13,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:13,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720318017] [2022-03-03 18:22:13,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:13,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:13,466 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:13,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:13,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:13,466 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) [2022-03-03 18:22:14,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:14,719 INFO L93 Difference]: Finished difference Result 2410 states and 4477 transitions. [2022-03-03 18:22:14,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-03 18:22:14,719 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 [2022-03-03 18:22:14,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:14,722 INFO L225 Difference]: With dead ends: 2410 [2022-03-03 18:22:14,722 INFO L226 Difference]: Without dead ends: 2410 [2022-03-03 18:22:14,722 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 [2022-03-03 18:22:14,723 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 [2022-03-03 18:22:14,723 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] [2022-03-03 18:22:14,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2022-03-03 18:22:14,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 1430. [2022-03-03 18:22:14,752 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) [2022-03-03 18:22:14,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2658 transitions. [2022-03-03 18:22:14,753 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2658 transitions. Word has length 113 [2022-03-03 18:22:14,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:14,753 INFO L470 AbstractCegarLoop]: Abstraction has 1430 states and 2658 transitions. [2022-03-03 18:22:14,753 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) [2022-03-03 18:22:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2658 transitions. [2022-03-03 18:22:14,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:14,755 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:14,771 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:14,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-03 18:22:14,771 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:14,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1665577627, now seen corresponding path program 5 times [2022-03-03 18:22:14,772 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:14,772 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139162325] [2022-03-03 18:22:14,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:14,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:15,397 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:15,397 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:15,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139162325] [2022-03-03 18:22:15,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139162325] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:15,397 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:15,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:15,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542308404] [2022-03-03 18:22:15,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:15,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:15,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:15,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:15,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:15,398 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) [2022-03-03 18:22:16,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:16,786 INFO L93 Difference]: Finished difference Result 2381 states and 4411 transitions. [2022-03-03 18:22:16,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-03 18:22:16,786 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 [2022-03-03 18:22:16,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:16,789 INFO L225 Difference]: With dead ends: 2381 [2022-03-03 18:22:16,789 INFO L226 Difference]: Without dead ends: 2381 [2022-03-03 18:22:16,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=366, Invalid=1274, Unknown=0, NotChecked=0, Total=1640 [2022-03-03 18:22:16,790 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 809 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:16,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [809 Valid, 1017 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-03 18:22:16,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2022-03-03 18:22:16,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1432. [2022-03-03 18:22:16,803 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) [2022-03-03 18:22:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2661 transitions. [2022-03-03 18:22:16,805 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2661 transitions. Word has length 113 [2022-03-03 18:22:16,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:16,805 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2661 transitions. [2022-03-03 18:22:16,805 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) [2022-03-03 18:22:16,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2661 transitions. [2022-03-03 18:22:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:16,807 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:16,807 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:16,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-03 18:22:16,807 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:16,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:16,808 INFO L85 PathProgramCache]: Analyzing trace with hash 465106407, now seen corresponding path program 6 times [2022-03-03 18:22:16,808 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:16,808 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78017224] [2022-03-03 18:22:16,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:16,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:17,407 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:17,408 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:17,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78017224] [2022-03-03 18:22:17,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78017224] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:17,408 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:17,408 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:17,408 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965220896] [2022-03-03 18:22:17,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:17,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:17,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:17,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:17,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:17,409 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) [2022-03-03 18:22:18,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:18,266 INFO L93 Difference]: Finished difference Result 2374 states and 4405 transitions. [2022-03-03 18:22:18,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-03 18:22:18,267 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 [2022-03-03 18:22:18,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:18,269 INFO L225 Difference]: With dead ends: 2374 [2022-03-03 18:22:18,269 INFO L226 Difference]: Without dead ends: 2374 [2022-03-03 18:22:18,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-03-03 18:22:18,270 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 796 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:18,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 747 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:22:18,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2022-03-03 18:22:18,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 1432. [2022-03-03 18:22:18,283 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) [2022-03-03 18:22:18,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2661 transitions. [2022-03-03 18:22:18,285 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2661 transitions. Word has length 113 [2022-03-03 18:22:18,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:18,285 INFO L470 AbstractCegarLoop]: Abstraction has 1432 states and 2661 transitions. [2022-03-03 18:22:18,285 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) [2022-03-03 18:22:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2661 transitions. [2022-03-03 18:22:18,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:18,287 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:18,287 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:18,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-03 18:22:18,287 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:18,287 INFO L85 PathProgramCache]: Analyzing trace with hash 2040785995, now seen corresponding path program 12 times [2022-03-03 18:22:18,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:18,287 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236251402] [2022-03-03 18:22:18,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:18,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:19,016 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:19,016 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236251402] [2022-03-03 18:22:19,016 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236251402] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:19,016 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:19,016 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:19,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126950754] [2022-03-03 18:22:19,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:19,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:19,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:19,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:19,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:19,017 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) [2022-03-03 18:22:19,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:19,862 INFO L93 Difference]: Finished difference Result 1812 states and 3369 transitions. [2022-03-03 18:22:19,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 18:22:19,863 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 [2022-03-03 18:22:19,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:19,865 INFO L225 Difference]: With dead ends: 1812 [2022-03-03 18:22:19,865 INFO L226 Difference]: Without dead ends: 1812 [2022-03-03 18:22:19,865 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 [2022-03-03 18:22:19,866 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 [2022-03-03 18:22:19,866 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] [2022-03-03 18:22:19,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2022-03-03 18:22:19,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1454. [2022-03-03 18:22:19,880 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) [2022-03-03 18:22:19,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2705 transitions. [2022-03-03 18:22:19,882 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2705 transitions. Word has length 113 [2022-03-03 18:22:19,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:19,882 INFO L470 AbstractCegarLoop]: Abstraction has 1454 states and 2705 transitions. [2022-03-03 18:22:19,882 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) [2022-03-03 18:22:19,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2705 transitions. [2022-03-03 18:22:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:19,884 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:19,884 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:19,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-03 18:22:19,884 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:19,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:19,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1517209201, now seen corresponding path program 13 times [2022-03-03 18:22:19,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:19,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534334264] [2022-03-03 18:22:19,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:19,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:20,603 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:20,604 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:20,604 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534334264] [2022-03-03 18:22:20,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534334264] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:20,604 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:20,604 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:20,604 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667520820] [2022-03-03 18:22:20,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:20,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:20,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:20,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:20,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:20,605 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) [2022-03-03 18:22:21,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:21,385 INFO L93 Difference]: Finished difference Result 1833 states and 3403 transitions. [2022-03-03 18:22:21,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:22:21,386 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 [2022-03-03 18:22:21,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:21,388 INFO L225 Difference]: With dead ends: 1833 [2022-03-03 18:22:21,388 INFO L226 Difference]: Without dead ends: 1833 [2022-03-03 18:22:21,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:22:21,388 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 [2022-03-03 18:22:21,389 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] [2022-03-03 18:22:21,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2022-03-03 18:22:21,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1418. [2022-03-03 18:22:21,407 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) [2022-03-03 18:22:21,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 2633 transitions. [2022-03-03 18:22:21,409 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 2633 transitions. Word has length 113 [2022-03-03 18:22:21,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:21,409 INFO L470 AbstractCegarLoop]: Abstraction has 1418 states and 2633 transitions. [2022-03-03 18:22:21,409 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) [2022-03-03 18:22:21,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2633 transitions. [2022-03-03 18:22:21,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:21,411 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:21,411 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:21,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-03 18:22:21,411 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:21,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:21,412 INFO L85 PathProgramCache]: Analyzing trace with hash -345713763, now seen corresponding path program 14 times [2022-03-03 18:22:21,412 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:21,412 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852356149] [2022-03-03 18:22:21,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:21,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:22,376 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:22,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852356149] [2022-03-03 18:22:22,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852356149] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:22,377 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:22,377 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:22,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556041648] [2022-03-03 18:22:22,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:22,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:22,377 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:22,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:22,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:22,378 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) [2022-03-03 18:22:23,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:23,551 INFO L93 Difference]: Finished difference Result 2141 states and 4005 transitions. [2022-03-03 18:22:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-03 18:22:23,551 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 [2022-03-03 18:22:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:23,554 INFO L225 Difference]: With dead ends: 2141 [2022-03-03 18:22:23,554 INFO L226 Difference]: Without dead ends: 2141 [2022-03-03 18:22:23,554 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 [2022-03-03 18:22:23,554 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 [2022-03-03 18:22:23,554 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] [2022-03-03 18:22:23,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2022-03-03 18:22:23,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 1441. [2022-03-03 18:22:23,567 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) [2022-03-03 18:22:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2679 transitions. [2022-03-03 18:22:23,568 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2679 transitions. Word has length 113 [2022-03-03 18:22:23,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:23,569 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2679 transitions. [2022-03-03 18:22:23,569 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) [2022-03-03 18:22:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2679 transitions. [2022-03-03 18:22:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:23,570 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:23,570 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:23,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-03 18:22:23,570 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:23,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:23,571 INFO L85 PathProgramCache]: Analyzing trace with hash 391258337, now seen corresponding path program 15 times [2022-03-03 18:22:23,571 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:23,571 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986397997] [2022-03-03 18:22:23,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:23,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:24,482 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:24,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986397997] [2022-03-03 18:22:24,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986397997] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:24,483 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:24,483 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:24,483 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136630392] [2022-03-03 18:22:24,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:24,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:24,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:24,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:24,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:24,484 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) [2022-03-03 18:22:25,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:25,314 INFO L93 Difference]: Finished difference Result 2164 states and 4051 transitions. [2022-03-03 18:22:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 18:22:25,315 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 [2022-03-03 18:22:25,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:25,317 INFO L225 Difference]: With dead ends: 2164 [2022-03-03 18:22:25,317 INFO L226 Difference]: Without dead ends: 2164 [2022-03-03 18:22:25,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=188, Invalid=412, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:22:25,318 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:25,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 896 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:22:25,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2022-03-03 18:22:25,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 1429. [2022-03-03 18:22:25,335 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) [2022-03-03 18:22:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2655 transitions. [2022-03-03 18:22:25,336 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2655 transitions. Word has length 113 [2022-03-03 18:22:25,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:25,337 INFO L470 AbstractCegarLoop]: Abstraction has 1429 states and 2655 transitions. [2022-03-03 18:22:25,337 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) [2022-03-03 18:22:25,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2655 transitions. [2022-03-03 18:22:25,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:25,346 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:25,346 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] [2022-03-03 18:22:25,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-03 18:22:25,348 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:25,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:25,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1019042155, now seen corresponding path program 16 times [2022-03-03 18:22:25,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:25,348 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964493106] [2022-03-03 18:22:25,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:25,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:26,046 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:26,046 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964493106] [2022-03-03 18:22:26,046 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964493106] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:26,046 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:26,046 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:22:26,046 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884307617] [2022-03-03 18:22:26,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:26,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:22:26,047 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:26,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:22:26,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:22:26,048 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) [2022-03-03 18:22:26,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:26,746 INFO L93 Difference]: Finished difference Result 2084 states and 3901 transitions. [2022-03-03 18:22:26,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:22:26,746 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 [2022-03-03 18:22:26,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:26,771 INFO L225 Difference]: With dead ends: 2084 [2022-03-03 18:22:26,771 INFO L226 Difference]: Without dead ends: 2084 [2022-03-03 18:22:26,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:22:26,772 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:26,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 700 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:22:26,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2022-03-03 18:22:26,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1461. [2022-03-03 18:22:26,784 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) [2022-03-03 18:22:26,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2719 transitions. [2022-03-03 18:22:26,786 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2719 transitions. Word has length 113 [2022-03-03 18:22:26,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:26,786 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2719 transitions. [2022-03-03 18:22:26,786 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) [2022-03-03 18:22:26,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2719 transitions. [2022-03-03 18:22:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:26,787 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:26,787 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:26,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-03 18:22:26,788 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:26,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:26,788 INFO L85 PathProgramCache]: Analyzing trace with hash 550278619, now seen corresponding path program 17 times [2022-03-03 18:22:26,788 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:26,789 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634475655] [2022-03-03 18:22:26,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:26,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:27,742 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:27,743 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:27,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634475655] [2022-03-03 18:22:27,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634475655] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:27,743 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:27,743 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:27,743 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617919336] [2022-03-03 18:22:27,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:27,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:27,744 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:27,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:27,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:27,744 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) [2022-03-03 18:22:28,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:28,622 INFO L93 Difference]: Finished difference Result 2133 states and 3991 transitions. [2022-03-03 18:22:28,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-03 18:22:28,622 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 [2022-03-03 18:22:28,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:28,625 INFO L225 Difference]: With dead ends: 2133 [2022-03-03 18:22:28,625 INFO L226 Difference]: Without dead ends: 2133 [2022-03-03 18:22:28,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=225, Invalid=477, Unknown=0, NotChecked=0, Total=702 [2022-03-03 18:22:28,629 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 271 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:28,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 781 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:22:28,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2022-03-03 18:22:28,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 1472. [2022-03-03 18:22:28,657 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) [2022-03-03 18:22:28,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 2741 transitions. [2022-03-03 18:22:28,658 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 2741 transitions. Word has length 113 [2022-03-03 18:22:28,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:28,658 INFO L470 AbstractCegarLoop]: Abstraction has 1472 states and 2741 transitions. [2022-03-03 18:22:28,659 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) [2022-03-03 18:22:28,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 2741 transitions. [2022-03-03 18:22:28,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:28,673 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:28,674 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] [2022-03-03 18:22:28,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-03 18:22:28,674 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:28,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:28,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1287250719, now seen corresponding path program 18 times [2022-03-03 18:22:28,674 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:28,674 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457486215] [2022-03-03 18:22:28,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:28,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:29,568 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:29,568 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457486215] [2022-03-03 18:22:29,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457486215] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:29,568 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:29,568 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:29,568 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326704221] [2022-03-03 18:22:29,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:29,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:29,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:29,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:29,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:29,569 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) [2022-03-03 18:22:30,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:30,703 INFO L93 Difference]: Finished difference Result 2106 states and 3946 transitions. [2022-03-03 18:22:30,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-03 18:22:30,703 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 [2022-03-03 18:22:30,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:30,705 INFO L225 Difference]: With dead ends: 2106 [2022-03-03 18:22:30,705 INFO L226 Difference]: Without dead ends: 2106 [2022-03-03 18:22:30,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=209, Invalid=441, Unknown=0, NotChecked=0, Total=650 [2022-03-03 18:22:30,706 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 202 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:30,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 1150 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-03 18:22:30,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2022-03-03 18:22:30,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 1462. [2022-03-03 18:22:30,742 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) [2022-03-03 18:22:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2721 transitions. [2022-03-03 18:22:30,743 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2721 transitions. Word has length 113 [2022-03-03 18:22:30,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:30,743 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2721 transitions. [2022-03-03 18:22:30,743 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) [2022-03-03 18:22:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2721 transitions. [2022-03-03 18:22:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:30,745 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:30,745 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:30,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-03 18:22:30,745 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:30,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:30,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1155252805, now seen corresponding path program 19 times [2022-03-03 18:22:30,746 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:30,746 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636528174] [2022-03-03 18:22:30,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:30,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:31,565 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:31,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:31,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636528174] [2022-03-03 18:22:31,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636528174] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:31,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:31,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:31,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059442288] [2022-03-03 18:22:31,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:31,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:31,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:31,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:31,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:31,566 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) [2022-03-03 18:22:32,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:32,469 INFO L93 Difference]: Finished difference Result 2017 states and 3777 transitions. [2022-03-03 18:22:32,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 18:22:32,470 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 [2022-03-03 18:22:32,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:32,472 INFO L225 Difference]: With dead ends: 2017 [2022-03-03 18:22:32,472 INFO L226 Difference]: Without dead ends: 2017 [2022-03-03 18:22:32,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:22:32,473 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 217 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:32,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 833 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:22:32,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2017 states. [2022-03-03 18:22:32,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2017 to 1461. [2022-03-03 18:22:32,485 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) [2022-03-03 18:22:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2719 transitions. [2022-03-03 18:22:32,486 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2719 transitions. Word has length 113 [2022-03-03 18:22:32,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:32,486 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2719 transitions. [2022-03-03 18:22:32,486 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) [2022-03-03 18:22:32,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2719 transitions. [2022-03-03 18:22:32,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:32,488 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:32,499 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:32,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-03 18:22:32,500 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:32,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:32,500 INFO L85 PathProgramCache]: Analyzing trace with hash 279544873, now seen corresponding path program 20 times [2022-03-03 18:22:32,500 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:32,501 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107513877] [2022-03-03 18:22:32,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:32,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:33,447 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:33,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107513877] [2022-03-03 18:22:33,447 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107513877] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:33,447 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:33,447 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:33,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644544017] [2022-03-03 18:22:33,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:33,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:33,447 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:33,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:33,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:33,448 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) [2022-03-03 18:22:34,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:34,299 INFO L93 Difference]: Finished difference Result 1810 states and 3367 transitions. [2022-03-03 18:22:34,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 18:22:34,299 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 [2022-03-03 18:22:34,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:34,301 INFO L225 Difference]: With dead ends: 1810 [2022-03-03 18:22:34,301 INFO L226 Difference]: Without dead ends: 1810 [2022-03-03 18:22:34,301 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 [2022-03-03 18:22:34,302 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:34,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 813 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:22:34,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2022-03-03 18:22:34,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1469. [2022-03-03 18:22:34,313 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) [2022-03-03 18:22:34,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2735 transitions. [2022-03-03 18:22:34,315 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2735 transitions. Word has length 113 [2022-03-03 18:22:34,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:34,315 INFO L470 AbstractCegarLoop]: Abstraction has 1469 states and 2735 transitions. [2022-03-03 18:22:34,315 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) [2022-03-03 18:22:34,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2735 transitions. [2022-03-03 18:22:34,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:34,316 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:34,316 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:34,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-03 18:22:34,317 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:34,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:34,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1016516973, now seen corresponding path program 21 times [2022-03-03 18:22:34,317 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:34,317 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689689046] [2022-03-03 18:22:34,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:34,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:35,039 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:35,039 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:35,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689689046] [2022-03-03 18:22:35,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689689046] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:35,039 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:35,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:35,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042677697] [2022-03-03 18:22:35,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:35,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:35,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:35,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:35,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:35,040 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) [2022-03-03 18:22:35,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:35,667 INFO L93 Difference]: Finished difference Result 1809 states and 3365 transitions. [2022-03-03 18:22:35,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:22:35,668 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 [2022-03-03 18:22:35,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:35,669 INFO L225 Difference]: With dead ends: 1809 [2022-03-03 18:22:35,670 INFO L226 Difference]: Without dead ends: 1809 [2022-03-03 18:22:35,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2022-03-03 18:22:35,670 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 227 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:35,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 803 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:22:35,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2022-03-03 18:22:35,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1443. [2022-03-03 18:22:35,681 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) [2022-03-03 18:22:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 2683 transitions. [2022-03-03 18:22:35,682 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 2683 transitions. Word has length 113 [2022-03-03 18:22:35,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:35,682 INFO L470 AbstractCegarLoop]: Abstraction has 1443 states and 2683 transitions. [2022-03-03 18:22:35,682 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) [2022-03-03 18:22:35,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 2683 transitions. [2022-03-03 18:22:35,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:35,684 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:35,684 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] [2022-03-03 18:22:35,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-03 18:22:35,684 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:35,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:35,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1175537255, now seen corresponding path program 22 times [2022-03-03 18:22:35,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:35,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736041562] [2022-03-03 18:22:35,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:35,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:36,491 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:36,492 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:36,492 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736041562] [2022-03-03 18:22:36,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736041562] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:36,492 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:36,492 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:36,492 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480990670] [2022-03-03 18:22:36,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:36,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:36,493 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:36,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:36,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:36,493 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) [2022-03-03 18:22:37,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:37,305 INFO L93 Difference]: Finished difference Result 2052 states and 3829 transitions. [2022-03-03 18:22:37,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-03 18:22:37,306 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 [2022-03-03 18:22:37,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:37,308 INFO L225 Difference]: With dead ends: 2052 [2022-03-03 18:22:37,308 INFO L226 Difference]: Without dead ends: 2052 [2022-03-03 18:22:37,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=197, Invalid=453, Unknown=0, NotChecked=0, Total=650 [2022-03-03 18:22:37,308 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 236 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:37,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 886 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:22:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2022-03-03 18:22:37,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1454. [2022-03-03 18:22:37,320 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) [2022-03-03 18:22:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2705 transitions. [2022-03-03 18:22:37,321 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2705 transitions. Word has length 113 [2022-03-03 18:22:37,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:37,321 INFO L470 AbstractCegarLoop]: Abstraction has 1454 states and 2705 transitions. [2022-03-03 18:22:37,321 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) [2022-03-03 18:22:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2705 transitions. [2022-03-03 18:22:37,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:37,323 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:37,323 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:37,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-03 18:22:37,323 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:37,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:37,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1912509355, now seen corresponding path program 23 times [2022-03-03 18:22:37,323 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:37,323 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343177431] [2022-03-03 18:22:37,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:37,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:38,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:38,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343177431] [2022-03-03 18:22:38,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343177431] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:38,103 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:38,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:38,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229350866] [2022-03-03 18:22:38,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:38,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:38,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:38,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:38,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:38,103 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) [2022-03-03 18:22:38,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:38,905 INFO L93 Difference]: Finished difference Result 2031 states and 3796 transitions. [2022-03-03 18:22:38,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-03 18:22:38,906 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 [2022-03-03 18:22:38,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:38,908 INFO L225 Difference]: With dead ends: 2031 [2022-03-03 18:22:38,908 INFO L226 Difference]: Without dead ends: 2031 [2022-03-03 18:22:38,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2022-03-03 18:22:38,908 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 228 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:38,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 977 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:22:38,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2022-03-03 18:22:38,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1444. [2022-03-03 18:22:38,921 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) [2022-03-03 18:22:38,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 2685 transitions. [2022-03-03 18:22:38,922 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 2685 transitions. Word has length 113 [2022-03-03 18:22:38,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:38,923 INFO L470 AbstractCegarLoop]: Abstraction has 1444 states and 2685 transitions. [2022-03-03 18:22:38,923 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) [2022-03-03 18:22:38,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2685 transitions. [2022-03-03 18:22:38,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:38,924 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:38,925 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:38,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-03 18:22:38,925 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:38,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:38,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1780511441, now seen corresponding path program 24 times [2022-03-03 18:22:38,925 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:38,925 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280569036] [2022-03-03 18:22:38,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:38,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:39,544 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:39,544 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280569036] [2022-03-03 18:22:39,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280569036] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:39,545 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:39,545 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:39,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378195919] [2022-03-03 18:22:39,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:39,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:39,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:39,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:39,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:39,545 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) [2022-03-03 18:22:40,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:40,249 INFO L93 Difference]: Finished difference Result 1924 states and 3591 transitions. [2022-03-03 18:22:40,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 18:22:40,250 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 [2022-03-03 18:22:40,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:40,252 INFO L225 Difference]: With dead ends: 1924 [2022-03-03 18:22:40,252 INFO L226 Difference]: Without dead ends: 1924 [2022-03-03 18:22:40,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:22:40,252 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 242 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:40,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 735 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:22:40,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2022-03-03 18:22:40,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1442. [2022-03-03 18:22:40,265 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) [2022-03-03 18:22:40,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2681 transitions. [2022-03-03 18:22:40,266 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2681 transitions. Word has length 113 [2022-03-03 18:22:40,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:40,266 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2681 transitions. [2022-03-03 18:22:40,266 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) [2022-03-03 18:22:40,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2681 transitions. [2022-03-03 18:22:40,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:40,268 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:40,268 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:40,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-03 18:22:40,268 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:40,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:40,268 INFO L85 PathProgramCache]: Analyzing trace with hash -960869493, now seen corresponding path program 25 times [2022-03-03 18:22:40,268 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:40,268 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520609306] [2022-03-03 18:22:40,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:40,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:40,882 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:40,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:40,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520609306] [2022-03-03 18:22:40,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520609306] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:40,883 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:40,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:22:40,883 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613948375] [2022-03-03 18:22:40,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:40,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:22:40,883 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:40,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:22:40,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:22:40,884 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) [2022-03-03 18:22:41,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:41,412 INFO L93 Difference]: Finished difference Result 1696 states and 3150 transitions. [2022-03-03 18:22:41,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:22:41,412 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 [2022-03-03 18:22:41,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:41,414 INFO L225 Difference]: With dead ends: 1696 [2022-03-03 18:22:41,414 INFO L226 Difference]: Without dead ends: 1696 [2022-03-03 18:22:41,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:22:41,417 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:41,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 830 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:22:41,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2022-03-03 18:22:41,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1413. [2022-03-03 18:22:41,428 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) [2022-03-03 18:22:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 2622 transitions. [2022-03-03 18:22:41,429 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 2622 transitions. Word has length 113 [2022-03-03 18:22:41,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:41,429 INFO L470 AbstractCegarLoop]: Abstraction has 1413 states and 2622 transitions. [2022-03-03 18:22:41,429 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) [2022-03-03 18:22:41,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 2622 transitions. [2022-03-03 18:22:41,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:41,432 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:41,432 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:41,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-03 18:22:41,432 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:41,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:41,433 INFO L85 PathProgramCache]: Analyzing trace with hash -622605481, now seen corresponding path program 7 times [2022-03-03 18:22:41,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:41,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652972996] [2022-03-03 18:22:41,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:41,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:41,888 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:41,888 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:41,888 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652972996] [2022-03-03 18:22:41,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652972996] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:41,888 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:41,888 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:41,888 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250388113] [2022-03-03 18:22:41,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:41,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:41,889 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:41,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:41,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:41,889 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) [2022-03-03 18:22:42,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:42,827 INFO L93 Difference]: Finished difference Result 2123 states and 3907 transitions. [2022-03-03 18:22:42,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-03 18:22:42,827 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 [2022-03-03 18:22:42,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:42,829 INFO L225 Difference]: With dead ends: 2123 [2022-03-03 18:22:42,829 INFO L226 Difference]: Without dead ends: 2123 [2022-03-03 18:22:42,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=404, Invalid=1402, Unknown=0, NotChecked=0, Total=1806 [2022-03-03 18:22:42,830 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 881 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:42,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [881 Valid, 1209 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:22:42,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-03-03 18:22:42,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1414. [2022-03-03 18:22:42,841 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) [2022-03-03 18:22:42,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 2624 transitions. [2022-03-03 18:22:42,842 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 2624 transitions. Word has length 113 [2022-03-03 18:22:42,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:42,842 INFO L470 AbstractCegarLoop]: Abstraction has 1414 states and 2624 transitions. [2022-03-03 18:22:42,843 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) [2022-03-03 18:22:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 2624 transitions. [2022-03-03 18:22:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:42,844 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:42,844 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:42,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-03 18:22:42,844 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:42,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:42,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1222546365, now seen corresponding path program 8 times [2022-03-03 18:22:42,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:42,845 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893289110] [2022-03-03 18:22:42,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:42,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:43,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:43,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893289110] [2022-03-03 18:22:43,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893289110] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:43,351 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:43,351 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:43,351 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549115649] [2022-03-03 18:22:43,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:43,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:43,351 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:43,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:43,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:43,351 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) [2022-03-03 18:22:44,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:44,565 INFO L93 Difference]: Finished difference Result 1991 states and 3671 transitions. [2022-03-03 18:22:44,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-03 18:22:44,565 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 [2022-03-03 18:22:44,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:44,567 INFO L225 Difference]: With dead ends: 1991 [2022-03-03 18:22:44,567 INFO L226 Difference]: Without dead ends: 1991 [2022-03-03 18:22:44,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=357, Invalid=1365, Unknown=0, NotChecked=0, Total=1722 [2022-03-03 18:22:44,568 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 634 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:44,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [634 Valid, 1650 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-03 18:22:44,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2022-03-03 18:22:44,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1415. [2022-03-03 18:22:44,579 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) [2022-03-03 18:22:44,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 2626 transitions. [2022-03-03 18:22:44,580 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 2626 transitions. Word has length 113 [2022-03-03 18:22:44,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:44,581 INFO L470 AbstractCegarLoop]: Abstraction has 1415 states and 2626 transitions. [2022-03-03 18:22:44,581 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) [2022-03-03 18:22:44,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 2626 transitions. [2022-03-03 18:22:44,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:44,582 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:44,582 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:44,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-03 18:22:44,582 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:44,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:44,582 INFO L85 PathProgramCache]: Analyzing trace with hash -264885827, now seen corresponding path program 9 times [2022-03-03 18:22:44,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:44,583 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972207486] [2022-03-03 18:22:44,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:44,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:45,027 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:45,027 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972207486] [2022-03-03 18:22:45,027 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972207486] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:45,027 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:45,027 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:22:45,027 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796241461] [2022-03-03 18:22:45,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:45,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:22:45,028 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:45,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:22:45,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:22:45,028 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) [2022-03-03 18:22:45,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:45,526 INFO L93 Difference]: Finished difference Result 1802 states and 3310 transitions. [2022-03-03 18:22:45,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:22:45,526 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 [2022-03-03 18:22:45,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:45,528 INFO L225 Difference]: With dead ends: 1802 [2022-03-03 18:22:45,528 INFO L226 Difference]: Without dead ends: 1802 [2022-03-03 18:22:45,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:22:45,528 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 [2022-03-03 18:22:45,529 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] [2022-03-03 18:22:45,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2022-03-03 18:22:45,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1416. [2022-03-03 18:22:45,539 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) [2022-03-03 18:22:45,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 2628 transitions. [2022-03-03 18:22:45,540 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 2628 transitions. Word has length 113 [2022-03-03 18:22:45,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:45,541 INFO L470 AbstractCegarLoop]: Abstraction has 1416 states and 2628 transitions. [2022-03-03 18:22:45,541 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) [2022-03-03 18:22:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2628 transitions. [2022-03-03 18:22:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:45,542 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:45,542 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:45,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-03 18:22:45,542 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:45,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:45,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1865798207, now seen corresponding path program 10 times [2022-03-03 18:22:45,543 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:45,543 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128432359] [2022-03-03 18:22:45,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:45,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:46,174 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:46,175 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:46,175 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128432359] [2022-03-03 18:22:46,175 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128432359] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:46,175 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:46,175 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:46,175 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969343103] [2022-03-03 18:22:46,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:46,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:46,175 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:46,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:46,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:46,176 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) [2022-03-03 18:22:47,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:47,510 INFO L93 Difference]: Finished difference Result 1973 states and 3635 transitions. [2022-03-03 18:22:47,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-03 18:22:47,510 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 [2022-03-03 18:22:47,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:47,512 INFO L225 Difference]: With dead ends: 1973 [2022-03-03 18:22:47,512 INFO L226 Difference]: Without dead ends: 1973 [2022-03-03 18:22:47,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=360, Invalid=1362, Unknown=0, NotChecked=0, Total=1722 [2022-03-03 18:22:47,513 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 [2022-03-03 18:22:47,513 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] [2022-03-03 18:22:47,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2022-03-03 18:22:47,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1411. [2022-03-03 18:22:47,544 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) [2022-03-03 18:22:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 2618 transitions. [2022-03-03 18:22:47,545 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 2618 transitions. Word has length 113 [2022-03-03 18:22:47,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:47,546 INFO L470 AbstractCegarLoop]: Abstraction has 1411 states and 2618 transitions. [2022-03-03 18:22:47,546 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) [2022-03-03 18:22:47,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2618 transitions. [2022-03-03 18:22:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:47,548 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:47,548 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:47,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-03 18:22:47,548 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:47,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:47,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1213434585, now seen corresponding path program 11 times [2022-03-03 18:22:47,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:47,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680573724] [2022-03-03 18:22:47,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:47,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:47,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:47,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680573724] [2022-03-03 18:22:47,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680573724] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:47,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:47,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:47,901 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527501153] [2022-03-03 18:22:47,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:47,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:47,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:47,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:47,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:47,902 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) [2022-03-03 18:22:48,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:48,536 INFO L93 Difference]: Finished difference Result 1667 states and 3081 transitions. [2022-03-03 18:22:48,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-03 18:22:48,536 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 [2022-03-03 18:22:48,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:48,538 INFO L225 Difference]: With dead ends: 1667 [2022-03-03 18:22:48,538 INFO L226 Difference]: Without dead ends: 1667 [2022-03-03 18:22:48,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=292, Invalid=1040, Unknown=0, NotChecked=0, Total=1332 [2022-03-03 18:22:48,539 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 712 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:48,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [712 Valid, 1082 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:22:48,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2022-03-03 18:22:48,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1405. [2022-03-03 18:22:48,549 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) [2022-03-03 18:22:48,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2606 transitions. [2022-03-03 18:22:48,551 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2606 transitions. Word has length 113 [2022-03-03 18:22:48,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:48,551 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2606 transitions. [2022-03-03 18:22:48,551 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) [2022-03-03 18:22:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2606 transitions. [2022-03-03 18:22:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:48,552 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:48,552 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:48,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-03 18:22:48,553 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:48,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:48,553 INFO L85 PathProgramCache]: Analyzing trace with hash 631717261, now seen corresponding path program 12 times [2022-03-03 18:22:48,553 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:48,553 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902230] [2022-03-03 18:22:48,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:48,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:49,002 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:49,002 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:49,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902230] [2022-03-03 18:22:49,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902230] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:49,002 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:49,002 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:49,002 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379223805] [2022-03-03 18:22:49,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:49,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:49,003 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:49,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:49,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:49,003 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) [2022-03-03 18:22:50,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:50,021 INFO L93 Difference]: Finished difference Result 1711 states and 3154 transitions. [2022-03-03 18:22:50,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-03 18:22:50,021 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 [2022-03-03 18:22:50,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:50,023 INFO L225 Difference]: With dead ends: 1711 [2022-03-03 18:22:50,023 INFO L226 Difference]: Without dead ends: 1711 [2022-03-03 18:22:50,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-03-03 18:22:50,023 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 [2022-03-03 18:22:50,023 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] [2022-03-03 18:22:50,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2022-03-03 18:22:50,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1406. [2022-03-03 18:22:50,033 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) [2022-03-03 18:22:50,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2608 transitions. [2022-03-03 18:22:50,034 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2608 transitions. Word has length 113 [2022-03-03 18:22:50,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:50,035 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2608 transitions. [2022-03-03 18:22:50,035 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) [2022-03-03 18:22:50,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2608 transitions. [2022-03-03 18:22:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:50,036 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:50,036 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:50,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-03 18:22:50,036 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:50,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:50,037 INFO L85 PathProgramCache]: Analyzing trace with hash -855714931, now seen corresponding path program 13 times [2022-03-03 18:22:50,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:50,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706438835] [2022-03-03 18:22:50,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:50,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:50,512 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:50,513 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706438835] [2022-03-03 18:22:50,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706438835] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:50,513 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:50,513 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:50,513 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092129024] [2022-03-03 18:22:50,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:50,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:50,513 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:50,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:50,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:50,514 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) [2022-03-03 18:22:51,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:51,359 INFO L93 Difference]: Finished difference Result 1692 states and 3116 transitions. [2022-03-03 18:22:51,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-03 18:22:51,360 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 [2022-03-03 18:22:51,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:51,362 INFO L225 Difference]: With dead ends: 1692 [2022-03-03 18:22:51,362 INFO L226 Difference]: Without dead ends: 1692 [2022-03-03 18:22:51,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2022-03-03 18:22:51,362 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 620 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:51,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [620 Valid, 1271 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:22:51,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2022-03-03 18:22:51,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1407. [2022-03-03 18:22:51,373 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) [2022-03-03 18:22:51,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2610 transitions. [2022-03-03 18:22:51,374 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2610 transitions. Word has length 113 [2022-03-03 18:22:51,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:51,374 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 2610 transitions. [2022-03-03 18:22:51,374 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) [2022-03-03 18:22:51,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2610 transitions. [2022-03-03 18:22:51,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:51,375 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:51,376 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:51,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-03 18:22:51,376 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1274969103, now seen corresponding path program 14 times [2022-03-03 18:22:51,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:51,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140647857] [2022-03-03 18:22:51,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:51,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:51,929 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:51,929 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140647857] [2022-03-03 18:22:51,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140647857] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:51,930 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:51,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:51,930 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933838486] [2022-03-03 18:22:51,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:51,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:51,930 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:51,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:51,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:51,931 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) [2022-03-03 18:22:53,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:53,115 INFO L93 Difference]: Finished difference Result 1693 states and 3118 transitions. [2022-03-03 18:22:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-03-03 18:22:53,115 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 [2022-03-03 18:22:53,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:53,117 INFO L225 Difference]: With dead ends: 1693 [2022-03-03 18:22:53,117 INFO L226 Difference]: Without dead ends: 1693 [2022-03-03 18:22:53,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=382, Invalid=1340, Unknown=0, NotChecked=0, Total=1722 [2022-03-03 18:22:53,117 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 [2022-03-03 18:22:53,118 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] [2022-03-03 18:22:53,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2022-03-03 18:22:53,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1404. [2022-03-03 18:22:53,128 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) [2022-03-03 18:22:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-03-03 18:22:53,130 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-03-03 18:22:53,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:53,130 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-03-03 18:22:53,130 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) [2022-03-03 18:22:53,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-03-03 18:22:53,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:53,131 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:53,131 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:53,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-03 18:22:53,132 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:53,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:53,132 INFO L85 PathProgramCache]: Analyzing trace with hash 2053611957, now seen corresponding path program 15 times [2022-03-03 18:22:53,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:53,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782819995] [2022-03-03 18:22:53,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:53,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:53,499 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:53,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782819995] [2022-03-03 18:22:53,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782819995] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:53,499 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:53,499 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:53,499 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601702559] [2022-03-03 18:22:53,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:53,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:53,500 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:53,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:53,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:53,500 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) [2022-03-03 18:22:54,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:54,478 INFO L93 Difference]: Finished difference Result 1648 states and 3043 transitions. [2022-03-03 18:22:54,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-03 18:22:54,479 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 [2022-03-03 18:22:54,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:54,481 INFO L225 Difference]: With dead ends: 1648 [2022-03-03 18:22:54,481 INFO L226 Difference]: Without dead ends: 1648 [2022-03-03 18:22:54,481 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 [2022-03-03 18:22:54,481 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 [2022-03-03 18:22:54,481 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] [2022-03-03 18:22:54,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2022-03-03 18:22:54,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1405. [2022-03-03 18:22:54,493 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) [2022-03-03 18:22:54,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2606 transitions. [2022-03-03 18:22:54,494 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2606 transitions. Word has length 113 [2022-03-03 18:22:54,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:54,494 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2606 transitions. [2022-03-03 18:22:54,495 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) [2022-03-03 18:22:54,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2606 transitions. [2022-03-03 18:22:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:54,496 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:54,496 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:54,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-03 18:22:54,496 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:54,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:54,496 INFO L85 PathProgramCache]: Analyzing trace with hash 566179765, now seen corresponding path program 16 times [2022-03-03 18:22:54,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:54,497 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068127926] [2022-03-03 18:22:54,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:54,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:54,935 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:54,935 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068127926] [2022-03-03 18:22:54,936 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068127926] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:54,936 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:54,936 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:54,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749170345] [2022-03-03 18:22:54,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:54,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:54,937 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:54,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:54,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:54,943 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) [2022-03-03 18:22:55,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:55,776 INFO L93 Difference]: Finished difference Result 1674 states and 3080 transitions. [2022-03-03 18:22:55,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-03 18:22:55,776 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 [2022-03-03 18:22:55,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:55,778 INFO L225 Difference]: With dead ends: 1674 [2022-03-03 18:22:55,778 INFO L226 Difference]: Without dead ends: 1674 [2022-03-03 18:22:55,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=359, Invalid=1281, Unknown=0, NotChecked=0, Total=1640 [2022-03-03 18:22:55,779 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 663 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:55,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [663 Valid, 1137 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:22:55,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2022-03-03 18:22:55,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1406. [2022-03-03 18:22:55,789 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) [2022-03-03 18:22:55,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2608 transitions. [2022-03-03 18:22:55,790 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2608 transitions. Word has length 113 [2022-03-03 18:22:55,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:55,790 INFO L470 AbstractCegarLoop]: Abstraction has 1406 states and 2608 transitions. [2022-03-03 18:22:55,790 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) [2022-03-03 18:22:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2608 transitions. [2022-03-03 18:22:55,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:55,792 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:55,792 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:55,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-03 18:22:55,792 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:55,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:55,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1598103497, now seen corresponding path program 17 times [2022-03-03 18:22:55,792 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:55,792 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612672384] [2022-03-03 18:22:55,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:55,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:56,118 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:56,119 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:56,119 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612672384] [2022-03-03 18:22:56,119 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612672384] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:56,119 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:56,119 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:22:56,119 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672191907] [2022-03-03 18:22:56,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:56,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:22:56,119 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:56,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:22:56,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:22:56,120 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) [2022-03-03 18:22:56,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:56,663 INFO L93 Difference]: Finished difference Result 1510 states and 2780 transitions. [2022-03-03 18:22:56,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:22:56,663 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 [2022-03-03 18:22:56,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:56,665 INFO L225 Difference]: With dead ends: 1510 [2022-03-03 18:22:56,665 INFO L226 Difference]: Without dead ends: 1510 [2022-03-03 18:22:56,665 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 [2022-03-03 18:22:56,665 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:22:56,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 745 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:22:56,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2022-03-03 18:22:56,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1404. [2022-03-03 18:22:56,676 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) [2022-03-03 18:22:56,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-03-03 18:22:56,677 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-03-03 18:22:56,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:56,677 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-03-03 18:22:56,677 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) [2022-03-03 18:22:56,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-03-03 18:22:56,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:56,679 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:56,679 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:56,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-03 18:22:56,679 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:56,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:56,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1092675235, now seen corresponding path program 18 times [2022-03-03 18:22:56,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:56,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768555696] [2022-03-03 18:22:56,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:56,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:57,067 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:57,067 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:57,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768555696] [2022-03-03 18:22:57,067 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768555696] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:57,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:57,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:57,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633431199] [2022-03-03 18:22:57,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:57,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:57,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:57,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:57,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:57,068 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) [2022-03-03 18:22:57,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:57,957 INFO L93 Difference]: Finished difference Result 1610 states and 2974 transitions. [2022-03-03 18:22:57,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-03 18:22:57,957 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 [2022-03-03 18:22:57,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:57,959 INFO L225 Difference]: With dead ends: 1610 [2022-03-03 18:22:57,959 INFO L226 Difference]: Without dead ends: 1610 [2022-03-03 18:22:57,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=301, Invalid=1031, Unknown=0, NotChecked=0, Total=1332 [2022-03-03 18:22:57,960 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 [2022-03-03 18:22:57,960 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] [2022-03-03 18:22:57,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2022-03-03 18:22:57,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1404. [2022-03-03 18:22:57,970 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) [2022-03-03 18:22:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-03-03 18:22:57,972 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-03-03 18:22:57,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:57,972 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-03-03 18:22:57,972 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) [2022-03-03 18:22:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-03-03 18:22:57,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:57,973 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:57,973 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:57,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-03 18:22:57,973 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:57,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:57,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1108429891, now seen corresponding path program 19 times [2022-03-03 18:22:57,974 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:57,974 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143670220] [2022-03-03 18:22:57,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:57,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:58,317 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:58,318 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:58,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143670220] [2022-03-03 18:22:58,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143670220] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:58,318 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:58,318 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:58,318 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175866495] [2022-03-03 18:22:58,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:58,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:58,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:58,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:58,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:58,319 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) [2022-03-03 18:22:59,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:22:59,327 INFO L93 Difference]: Finished difference Result 1639 states and 3017 transitions. [2022-03-03 18:22:59,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-03 18:22:59,328 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 [2022-03-03 18:22:59,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:22:59,329 INFO L225 Difference]: With dead ends: 1639 [2022-03-03 18:22:59,329 INFO L226 Difference]: Without dead ends: 1639 [2022-03-03 18:22:59,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=363, Invalid=1277, Unknown=0, NotChecked=0, Total=1640 [2022-03-03 18:22:59,330 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 [2022-03-03 18:22:59,330 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] [2022-03-03 18:22:59,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2022-03-03 18:22:59,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1405. [2022-03-03 18:22:59,339 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) [2022-03-03 18:22:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 2606 transitions. [2022-03-03 18:22:59,340 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 2606 transitions. Word has length 113 [2022-03-03 18:22:59,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:22:59,341 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 2606 transitions. [2022-03-03 18:22:59,341 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) [2022-03-03 18:22:59,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2606 transitions. [2022-03-03 18:22:59,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:22:59,342 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:22:59,342 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:22:59,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-03 18:22:59,342 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:22:59,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:22:59,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1055853371, now seen corresponding path program 20 times [2022-03-03 18:22:59,343 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:22:59,343 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090430298] [2022-03-03 18:22:59,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:22:59,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:22:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:22:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:22:59,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:22:59,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090430298] [2022-03-03 18:22:59,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090430298] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:22:59,787 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:22:59,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:22:59,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88298050] [2022-03-03 18:22:59,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:22:59,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:22:59,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:22:59,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:22:59,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:22:59,787 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) [2022-03-03 18:23:00,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:00,864 INFO L93 Difference]: Finished difference Result 1792 states and 3298 transitions. [2022-03-03 18:23:00,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-03 18:23:00,864 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 [2022-03-03 18:23:00,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:00,866 INFO L225 Difference]: With dead ends: 1792 [2022-03-03 18:23:00,866 INFO L226 Difference]: Without dead ends: 1792 [2022-03-03 18:23:00,867 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 [2022-03-03 18:23:00,867 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 [2022-03-03 18:23:00,867 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] [2022-03-03 18:23:00,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2022-03-03 18:23:00,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1404. [2022-03-03 18:23:00,877 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) [2022-03-03 18:23:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 2604 transitions. [2022-03-03 18:23:00,879 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 2604 transitions. Word has length 113 [2022-03-03 18:23:00,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:00,879 INFO L470 AbstractCegarLoop]: Abstraction has 1404 states and 2604 transitions. [2022-03-03 18:23:00,879 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) [2022-03-03 18:23:00,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2604 transitions. [2022-03-03 18:23:00,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:00,880 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:00,880 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] [2022-03-03 18:23:00,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-03 18:23:00,881 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:00,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:00,881 INFO L85 PathProgramCache]: Analyzing trace with hash 512524643, now seen corresponding path program 26 times [2022-03-03 18:23:00,881 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:00,881 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572840716] [2022-03-03 18:23:00,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:00,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:01,167 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:01,167 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572840716] [2022-03-03 18:23:01,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572840716] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:01,168 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:01,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:01,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672295015] [2022-03-03 18:23:01,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:01,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:01,168 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:01,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:01,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:01,168 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) [2022-03-03 18:23:01,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:01,536 INFO L93 Difference]: Finished difference Result 1897 states and 3490 transitions. [2022-03-03 18:23:01,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:23:01,537 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 [2022-03-03 18:23:01,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:01,539 INFO L225 Difference]: With dead ends: 1897 [2022-03-03 18:23:01,539 INFO L226 Difference]: Without dead ends: 1897 [2022-03-03 18:23:01,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:01,539 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:01,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [244 Valid, 521 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:01,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2022-03-03 18:23:01,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1461. [2022-03-03 18:23:01,571 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) [2022-03-03 18:23:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2718 transitions. [2022-03-03 18:23:01,572 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2718 transitions. Word has length 113 [2022-03-03 18:23:01,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:01,572 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2718 transitions. [2022-03-03 18:23:01,572 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) [2022-03-03 18:23:01,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2718 transitions. [2022-03-03 18:23:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:01,574 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:01,574 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:01,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-03 18:23:01,578 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:01,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:01,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1627243649, now seen corresponding path program 2 times [2022-03-03 18:23:01,579 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:01,579 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101449117] [2022-03-03 18:23:01,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:01,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:01,859 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:01,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:01,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101449117] [2022-03-03 18:23:01,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101449117] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:01,859 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:01,859 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:01,859 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664250481] [2022-03-03 18:23:01,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:01,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:01,860 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:01,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:01,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:01,860 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) [2022-03-03 18:23:02,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:02,244 INFO L93 Difference]: Finished difference Result 1908 states and 3511 transitions. [2022-03-03 18:23:02,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:23:02,244 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 [2022-03-03 18:23:02,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:02,246 INFO L225 Difference]: With dead ends: 1908 [2022-03-03 18:23:02,246 INFO L226 Difference]: Without dead ends: 1908 [2022-03-03 18:23:02,246 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 [2022-03-03 18:23:02,248 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 [2022-03-03 18:23:02,248 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] [2022-03-03 18:23:02,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-03-03 18:23:02,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1441. [2022-03-03 18:23:02,260 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) [2022-03-03 18:23:02,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2679 transitions. [2022-03-03 18:23:02,262 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2679 transitions. Word has length 113 [2022-03-03 18:23:02,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:02,262 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2679 transitions. [2022-03-03 18:23:02,262 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) [2022-03-03 18:23:02,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2679 transitions. [2022-03-03 18:23:02,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:02,263 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:02,263 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:02,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-03 18:23:02,264 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:02,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:02,264 INFO L85 PathProgramCache]: Analyzing trace with hash -557415706, now seen corresponding path program 6 times [2022-03-03 18:23:02,264 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:02,264 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586610472] [2022-03-03 18:23:02,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:02,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:02,976 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:02,976 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:02,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586610472] [2022-03-03 18:23:02,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586610472] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:02,976 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:02,976 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:02,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626200215] [2022-03-03 18:23:02,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:02,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:02,977 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:02,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:02,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:02,977 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) [2022-03-03 18:23:03,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:03,535 INFO L93 Difference]: Finished difference Result 2085 states and 3845 transitions. [2022-03-03 18:23:03,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:23:03,535 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 [2022-03-03 18:23:03,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:03,537 INFO L225 Difference]: With dead ends: 2085 [2022-03-03 18:23:03,537 INFO L226 Difference]: Without dead ends: 2085 [2022-03-03 18:23:03,537 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 [2022-03-03 18:23:03,537 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 [2022-03-03 18:23:03,538 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] [2022-03-03 18:23:03,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2022-03-03 18:23:03,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 1476. [2022-03-03 18:23:03,549 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) [2022-03-03 18:23:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 2749 transitions. [2022-03-03 18:23:03,551 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 2749 transitions. Word has length 113 [2022-03-03 18:23:03,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:03,551 INFO L470 AbstractCegarLoop]: Abstraction has 1476 states and 2749 transitions. [2022-03-03 18:23:03,551 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) [2022-03-03 18:23:03,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2749 transitions. [2022-03-03 18:23:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:03,552 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:03,553 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:03,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-03 18:23:03,553 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:03,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:03,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1692232760, now seen corresponding path program 7 times [2022-03-03 18:23:03,553 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:03,553 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826444905] [2022-03-03 18:23:03,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:03,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:04,144 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:04,145 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:04,145 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826444905] [2022-03-03 18:23:04,145 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826444905] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:04,145 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:04,145 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:23:04,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305861910] [2022-03-03 18:23:04,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:04,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:23:04,146 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:04,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:23:04,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:23:04,149 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) [2022-03-03 18:23:04,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:04,611 INFO L93 Difference]: Finished difference Result 2073 states and 3821 transitions. [2022-03-03 18:23:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:04,611 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 [2022-03-03 18:23:04,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:04,613 INFO L225 Difference]: With dead ends: 2073 [2022-03-03 18:23:04,613 INFO L226 Difference]: Without dead ends: 2073 [2022-03-03 18:23:04,613 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 [2022-03-03 18:23:04,614 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 [2022-03-03 18:23:04,614 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] [2022-03-03 18:23:04,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2022-03-03 18:23:04,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 1480. [2022-03-03 18:23:04,626 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) [2022-03-03 18:23:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2757 transitions. [2022-03-03 18:23:04,627 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2757 transitions. Word has length 113 [2022-03-03 18:23:04,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:04,627 INFO L470 AbstractCegarLoop]: Abstraction has 1480 states and 2757 transitions. [2022-03-03 18:23:04,628 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) [2022-03-03 18:23:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2757 transitions. [2022-03-03 18:23:04,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:04,629 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:04,629 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:04,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-03 18:23:04,629 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:04,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:04,630 INFO L85 PathProgramCache]: Analyzing trace with hash 390081924, now seen corresponding path program 8 times [2022-03-03 18:23:04,630 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:04,630 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631215178] [2022-03-03 18:23:04,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:04,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:05,252 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:05,252 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631215178] [2022-03-03 18:23:05,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631215178] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:05,252 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:05,252 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:05,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651845920] [2022-03-03 18:23:05,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:05,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:05,253 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:05,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:05,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:05,253 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) [2022-03-03 18:23:05,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:05,707 INFO L93 Difference]: Finished difference Result 2154 states and 3983 transitions. [2022-03-03 18:23:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:23:05,708 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 [2022-03-03 18:23:05,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:05,710 INFO L225 Difference]: With dead ends: 2154 [2022-03-03 18:23:05,710 INFO L226 Difference]: Without dead ends: 2154 [2022-03-03 18:23:05,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:23:05,711 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 284 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:05,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 529 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:05,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-03-03 18:23:05,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1493. [2022-03-03 18:23:05,725 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) [2022-03-03 18:23:05,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2783 transitions. [2022-03-03 18:23:05,727 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2783 transitions. Word has length 113 [2022-03-03 18:23:05,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:05,727 INFO L470 AbstractCegarLoop]: Abstraction has 1493 states and 2783 transitions. [2022-03-03 18:23:05,727 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) [2022-03-03 18:23:05,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2783 transitions. [2022-03-03 18:23:05,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:05,729 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:05,730 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:05,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-03 18:23:05,730 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:05,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:05,730 INFO L85 PathProgramCache]: Analyzing trace with hash 282069162, now seen corresponding path program 9 times [2022-03-03 18:23:05,730 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:05,730 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718967731] [2022-03-03 18:23:05,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:05,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:06,223 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:06,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:06,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718967731] [2022-03-03 18:23:06,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718967731] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:06,223 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:06,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:06,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55508038] [2022-03-03 18:23:06,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:06,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:06,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:06,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:06,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:06,224 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) [2022-03-03 18:23:06,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:06,657 INFO L93 Difference]: Finished difference Result 2221 states and 4117 transitions. [2022-03-03 18:23:06,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:23:06,657 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 [2022-03-03 18:23:06,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:06,660 INFO L225 Difference]: With dead ends: 2221 [2022-03-03 18:23:06,660 INFO L226 Difference]: Without dead ends: 2221 [2022-03-03 18:23:06,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:23:06,660 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 259 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:06,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 620 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:06,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2221 states. [2022-03-03 18:23:06,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2221 to 1519. [2022-03-03 18:23:06,673 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) [2022-03-03 18:23:06,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2835 transitions. [2022-03-03 18:23:06,674 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2835 transitions. Word has length 113 [2022-03-03 18:23:06,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:06,674 INFO L470 AbstractCegarLoop]: Abstraction has 1519 states and 2835 transitions. [2022-03-03 18:23:06,674 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) [2022-03-03 18:23:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2835 transitions. [2022-03-03 18:23:06,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:06,676 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:06,676 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:06,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-03 18:23:06,676 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:06,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:06,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1769406174, now seen corresponding path program 10 times [2022-03-03 18:23:06,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:06,677 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977725035] [2022-03-03 18:23:06,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:06,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:07,017 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:07,017 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977725035] [2022-03-03 18:23:07,017 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977725035] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:07,017 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:07,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:23:07,018 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229066837] [2022-03-03 18:23:07,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:07,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:23:07,018 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:07,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:23:07,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:23:07,018 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) [2022-03-03 18:23:07,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:07,403 INFO L93 Difference]: Finished difference Result 2034 states and 3759 transitions. [2022-03-03 18:23:07,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:07,404 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 [2022-03-03 18:23:07,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:07,406 INFO L225 Difference]: With dead ends: 2034 [2022-03-03 18:23:07,406 INFO L226 Difference]: Without dead ends: 2034 [2022-03-03 18:23:07,406 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 [2022-03-03 18:23:07,406 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 [2022-03-03 18:23:07,406 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] [2022-03-03 18:23:07,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2022-03-03 18:23:07,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 1523. [2022-03-03 18:23:07,421 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) [2022-03-03 18:23:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 2843 transitions. [2022-03-03 18:23:07,422 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 2843 transitions. Word has length 113 [2022-03-03 18:23:07,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:07,422 INFO L470 AbstractCegarLoop]: Abstraction has 1523 states and 2843 transitions. [2022-03-03 18:23:07,422 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) [2022-03-03 18:23:07,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2843 transitions. [2022-03-03 18:23:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:07,424 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:07,424 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] [2022-03-03 18:23:07,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-03 18:23:07,424 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:07,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:07,424 INFO L85 PathProgramCache]: Analyzing trace with hash -59279533, now seen corresponding path program 21 times [2022-03-03 18:23:07,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:07,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690783749] [2022-03-03 18:23:07,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:07,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:07,535 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:07,535 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:07,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690783749] [2022-03-03 18:23:07,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690783749] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:07,535 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:07,535 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:07,535 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108752267] [2022-03-03 18:23:07,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:07,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:07,536 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:07,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:07,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:07,536 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) [2022-03-03 18:23:08,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:08,109 INFO L93 Difference]: Finished difference Result 2022 states and 3738 transitions. [2022-03-03 18:23:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-03 18:23:08,110 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 [2022-03-03 18:23:08,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:08,112 INFO L225 Difference]: With dead ends: 2022 [2022-03-03 18:23:08,112 INFO L226 Difference]: Without dead ends: 2022 [2022-03-03 18:23:08,112 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 [2022-03-03 18:23:08,112 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 [2022-03-03 18:23:08,112 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] [2022-03-03 18:23:08,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2022 states. [2022-03-03 18:23:08,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2022 to 1521. [2022-03-03 18:23:08,125 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) [2022-03-03 18:23:08,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2839 transitions. [2022-03-03 18:23:08,126 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2839 transitions. Word has length 113 [2022-03-03 18:23:08,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:08,126 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 2839 transitions. [2022-03-03 18:23:08,126 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) [2022-03-03 18:23:08,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2839 transitions. [2022-03-03 18:23:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:08,128 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:08,128 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:08,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-03 18:23:08,128 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:08,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:08,128 INFO L85 PathProgramCache]: Analyzing trace with hash -143889073, now seen corresponding path program 22 times [2022-03-03 18:23:08,128 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:08,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846575979] [2022-03-03 18:23:08,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:08,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:08,419 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:08,419 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:08,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846575979] [2022-03-03 18:23:08,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846575979] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:08,420 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:08,420 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:08,420 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132306106] [2022-03-03 18:23:08,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:08,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:08,420 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:08,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:08,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:08,420 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) [2022-03-03 18:23:08,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:08,863 INFO L93 Difference]: Finished difference Result 2036 states and 3759 transitions. [2022-03-03 18:23:08,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:23:08,864 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 [2022-03-03 18:23:08,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:08,866 INFO L225 Difference]: With dead ends: 2036 [2022-03-03 18:23:08,866 INFO L226 Difference]: Without dead ends: 2036 [2022-03-03 18:23:08,866 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 [2022-03-03 18:23:08,866 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 [2022-03-03 18:23:08,867 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] [2022-03-03 18:23:08,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2036 states. [2022-03-03 18:23:08,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2036 to 1314. [2022-03-03 18:23:08,877 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) [2022-03-03 18:23:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2426 transitions. [2022-03-03 18:23:08,879 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2426 transitions. Word has length 113 [2022-03-03 18:23:08,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:08,879 INFO L470 AbstractCegarLoop]: Abstraction has 1314 states and 2426 transitions. [2022-03-03 18:23:08,879 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) [2022-03-03 18:23:08,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2426 transitions. [2022-03-03 18:23:08,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:08,880 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:08,880 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] [2022-03-03 18:23:08,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-03 18:23:08,880 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:08,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:08,881 INFO L85 PathProgramCache]: Analyzing trace with hash -572567800, now seen corresponding path program 11 times [2022-03-03 18:23:08,881 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:08,881 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381830012] [2022-03-03 18:23:08,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:08,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:09,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:09,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381830012] [2022-03-03 18:23:09,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381830012] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:09,463 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:09,463 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:09,464 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992165938] [2022-03-03 18:23:09,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:09,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:09,464 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:09,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:09,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:09,464 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) [2022-03-03 18:23:09,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:09,930 INFO L93 Difference]: Finished difference Result 1672 states and 3087 transitions. [2022-03-03 18:23:09,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:23:09,931 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 [2022-03-03 18:23:09,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:09,933 INFO L225 Difference]: With dead ends: 1672 [2022-03-03 18:23:09,933 INFO L226 Difference]: Without dead ends: 1672 [2022-03-03 18:23:09,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=121, Unknown=0, NotChecked=0, Total=210 [2022-03-03 18:23:09,933 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 261 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:09,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 617 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:23:09,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2022-03-03 18:23:09,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1328. [2022-03-03 18:23:09,944 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) [2022-03-03 18:23:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 2454 transitions. [2022-03-03 18:23:09,946 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 2454 transitions. Word has length 113 [2022-03-03 18:23:09,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:09,946 INFO L470 AbstractCegarLoop]: Abstraction has 1328 states and 2454 transitions. [2022-03-03 18:23:09,946 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) [2022-03-03 18:23:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 2454 transitions. [2022-03-03 18:23:09,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:09,947 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:09,947 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:09,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-03 18:23:09,947 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:09,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:09,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1707384854, now seen corresponding path program 12 times [2022-03-03 18:23:09,948 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:09,948 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236715823] [2022-03-03 18:23:09,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:09,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:10,448 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:10,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:10,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236715823] [2022-03-03 18:23:10,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236715823] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:10,448 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:10,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:23:10,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013831837] [2022-03-03 18:23:10,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:10,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:23:10,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:10,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:23:10,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:23:10,449 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) [2022-03-03 18:23:10,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:10,927 INFO L93 Difference]: Finished difference Result 1666 states and 3075 transitions. [2022-03-03 18:23:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:10,927 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 [2022-03-03 18:23:10,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:10,929 INFO L225 Difference]: With dead ends: 1666 [2022-03-03 18:23:10,929 INFO L226 Difference]: Without dead ends: 1666 [2022-03-03 18:23:10,929 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 [2022-03-03 18:23:10,929 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 243 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:10,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 567 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:10,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2022-03-03 18:23:10,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1321. [2022-03-03 18:23:10,941 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) [2022-03-03 18:23:10,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 2440 transitions. [2022-03-03 18:23:10,942 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 2440 transitions. Word has length 113 [2022-03-03 18:23:10,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:10,942 INFO L470 AbstractCegarLoop]: Abstraction has 1321 states and 2440 transitions. [2022-03-03 18:23:10,942 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) [2022-03-03 18:23:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 2440 transitions. [2022-03-03 18:23:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:10,943 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:10,943 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] [2022-03-03 18:23:10,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-03 18:23:10,943 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:10,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:10,944 INFO L85 PathProgramCache]: Analyzing trace with hash 374929830, now seen corresponding path program 13 times [2022-03-03 18:23:10,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:10,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541980300] [2022-03-03 18:23:10,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:10,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:11,654 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:11,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541980300] [2022-03-03 18:23:11,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541980300] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:11,654 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:11,654 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:11,654 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884798760] [2022-03-03 18:23:11,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:11,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:11,654 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:11,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:11,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:11,655 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) [2022-03-03 18:23:12,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:12,198 INFO L93 Difference]: Finished difference Result 1735 states and 3213 transitions. [2022-03-03 18:23:12,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:23:12,198 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 [2022-03-03 18:23:12,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:12,200 INFO L225 Difference]: With dead ends: 1735 [2022-03-03 18:23:12,200 INFO L226 Difference]: Without dead ends: 1735 [2022-03-03 18:23:12,200 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 [2022-03-03 18:23:12,201 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 220 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:12,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 653 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:23:12,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-03-03 18:23:12,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1314. [2022-03-03 18:23:12,212 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) [2022-03-03 18:23:12,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2426 transitions. [2022-03-03 18:23:12,214 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2426 transitions. Word has length 113 [2022-03-03 18:23:12,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:12,214 INFO L470 AbstractCegarLoop]: Abstraction has 1314 states and 2426 transitions. [2022-03-03 18:23:12,214 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) [2022-03-03 18:23:12,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2426 transitions. [2022-03-03 18:23:12,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:12,215 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:12,215 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:12,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-03 18:23:12,216 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:12,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:12,216 INFO L85 PathProgramCache]: Analyzing trace with hash 266917068, now seen corresponding path program 14 times [2022-03-03 18:23:12,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:12,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945225933] [2022-03-03 18:23:12,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:12,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:12,878 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:12,878 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945225933] [2022-03-03 18:23:12,878 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945225933] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:12,879 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:12,879 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:12,879 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992144526] [2022-03-03 18:23:12,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:12,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:12,879 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:12,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:12,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:12,879 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) [2022-03-03 18:23:13,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:13,305 INFO L93 Difference]: Finished difference Result 1612 states and 2982 transitions. [2022-03-03 18:23:13,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:23:13,306 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 [2022-03-03 18:23:13,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:13,307 INFO L225 Difference]: With dead ends: 1612 [2022-03-03 18:23:13,308 INFO L226 Difference]: Without dead ends: 1612 [2022-03-03 18:23:13,308 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 [2022-03-03 18:23:13,308 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 [2022-03-03 18:23:13,308 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] [2022-03-03 18:23:13,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2022-03-03 18:23:13,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1308. [2022-03-03 18:23:13,317 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) [2022-03-03 18:23:13,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 2414 transitions. [2022-03-03 18:23:13,319 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 2414 transitions. Word has length 113 [2022-03-03 18:23:13,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:13,319 INFO L470 AbstractCegarLoop]: Abstraction has 1308 states and 2414 transitions. [2022-03-03 18:23:13,319 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) [2022-03-03 18:23:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2414 transitions. [2022-03-03 18:23:13,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:13,320 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:13,320 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:13,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-03 18:23:13,320 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:13,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:13,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1602348004, now seen corresponding path program 15 times [2022-03-03 18:23:13,321 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:13,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575559487] [2022-03-03 18:23:13,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:13,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:14,008 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:14,008 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575559487] [2022-03-03 18:23:14,008 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575559487] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:14,008 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:14,008 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:14,008 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387228848] [2022-03-03 18:23:14,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:14,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:14,009 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:14,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:14,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:14,009 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) [2022-03-03 18:23:14,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:14,555 INFO L93 Difference]: Finished difference Result 1617 states and 2979 transitions. [2022-03-03 18:23:14,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:23:14,555 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 [2022-03-03 18:23:14,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:14,557 INFO L225 Difference]: With dead ends: 1617 [2022-03-03 18:23:14,557 INFO L226 Difference]: Without dead ends: 1617 [2022-03-03 18:23:14,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=139, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:23:14,558 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:14,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 642 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:23:14,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2022-03-03 18:23:14,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1315. [2022-03-03 18:23:14,571 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) [2022-03-03 18:23:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 2428 transitions. [2022-03-03 18:23:14,572 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 2428 transitions. Word has length 113 [2022-03-03 18:23:14,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:14,572 INFO L470 AbstractCegarLoop]: Abstraction has 1315 states and 2428 transitions. [2022-03-03 18:23:14,572 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) [2022-03-03 18:23:14,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 2428 transitions. [2022-03-03 18:23:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:14,574 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:14,574 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:14,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-03 18:23:14,574 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:14,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:14,574 INFO L85 PathProgramCache]: Analyzing trace with hash 467530950, now seen corresponding path program 16 times [2022-03-03 18:23:14,574 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:14,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417856276] [2022-03-03 18:23:14,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:14,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:15,117 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:15,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417856276] [2022-03-03 18:23:15,117 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417856276] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:15,117 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:15,117 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:23:15,117 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424146058] [2022-03-03 18:23:15,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:15,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:23:15,118 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:15,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:23:15,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:23:15,118 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) [2022-03-03 18:23:15,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:15,563 INFO L93 Difference]: Finished difference Result 1611 states and 2967 transitions. [2022-03-03 18:23:15,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:15,563 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 [2022-03-03 18:23:15,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:15,565 INFO L225 Difference]: With dead ends: 1611 [2022-03-03 18:23:15,565 INFO L226 Difference]: Without dead ends: 1611 [2022-03-03 18:23:15,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=124, Unknown=0, NotChecked=0, Total=210 [2022-03-03 18:23:15,566 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:15,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 489 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:15,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2022-03-03 18:23:15,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1308. [2022-03-03 18:23:15,577 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) [2022-03-03 18:23:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 2414 transitions. [2022-03-03 18:23:15,578 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 2414 transitions. Word has length 113 [2022-03-03 18:23:15,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:15,578 INFO L470 AbstractCegarLoop]: Abstraction has 1308 states and 2414 transitions. [2022-03-03 18:23:15,578 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) [2022-03-03 18:23:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2414 transitions. [2022-03-03 18:23:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:15,579 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:15,579 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:15,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-03 18:23:15,579 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:15,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:15,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1745121662, now seen corresponding path program 17 times [2022-03-03 18:23:15,580 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:15,580 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784278215] [2022-03-03 18:23:15,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:15,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:16,438 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:16,438 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:16,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784278215] [2022-03-03 18:23:16,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784278215] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:16,438 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:16,438 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:16,438 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97534486] [2022-03-03 18:23:16,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:16,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:16,439 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:16,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:16,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:16,439 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) [2022-03-03 18:23:17,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:17,172 INFO L93 Difference]: Finished difference Result 1570 states and 2899 transitions. [2022-03-03 18:23:17,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:23:17,172 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 [2022-03-03 18:23:17,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:17,174 INFO L225 Difference]: With dead ends: 1570 [2022-03-03 18:23:17,174 INFO L226 Difference]: Without dead ends: 1570 [2022-03-03 18:23:17,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=127, Invalid=179, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:23:17,175 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:17,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 608 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:23:17,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-03-03 18:23:17,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1295. [2022-03-03 18:23:17,187 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) [2022-03-03 18:23:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 2388 transitions. [2022-03-03 18:23:17,188 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 2388 transitions. Word has length 113 [2022-03-03 18:23:17,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:17,188 INFO L470 AbstractCegarLoop]: Abstraction has 1295 states and 2388 transitions. [2022-03-03 18:23:17,188 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) [2022-03-03 18:23:17,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2388 transitions. [2022-03-03 18:23:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:17,189 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:17,190 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:17,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-03 18:23:17,190 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:17,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:17,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1191765034, now seen corresponding path program 18 times [2022-03-03 18:23:17,190 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:17,190 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032316245] [2022-03-03 18:23:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:17,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:17,980 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:17,980 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032316245] [2022-03-03 18:23:17,980 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032316245] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:17,980 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:17,980 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:17,980 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915738738] [2022-03-03 18:23:17,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:17,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:17,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:17,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:17,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:17,981 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) [2022-03-03 18:23:18,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:18,746 INFO L93 Difference]: Finished difference Result 1550 states and 2847 transitions. [2022-03-03 18:23:18,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:23:18,746 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 [2022-03-03 18:23:18,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:18,748 INFO L225 Difference]: With dead ends: 1550 [2022-03-03 18:23:18,748 INFO L226 Difference]: Without dead ends: 1550 [2022-03-03 18:23:18,748 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 [2022-03-03 18:23:18,748 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 [2022-03-03 18:23:18,749 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] [2022-03-03 18:23:18,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-03-03 18:23:18,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1295. [2022-03-03 18:23:18,758 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) [2022-03-03 18:23:18,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 2388 transitions. [2022-03-03 18:23:18,759 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 2388 transitions. Word has length 113 [2022-03-03 18:23:18,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:18,759 INFO L470 AbstractCegarLoop]: Abstraction has 1295 states and 2388 transitions. [2022-03-03 18:23:18,759 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) [2022-03-03 18:23:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2388 transitions. [2022-03-03 18:23:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:18,760 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:18,760 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:18,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-03 18:23:18,760 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:18,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:18,761 INFO L85 PathProgramCache]: Analyzing trace with hash 56947980, now seen corresponding path program 19 times [2022-03-03 18:23:18,761 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:18,761 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359850803] [2022-03-03 18:23:18,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:18,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:19,444 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:19,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359850803] [2022-03-03 18:23:19,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359850803] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:19,444 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:19,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:23:19,444 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737515891] [2022-03-03 18:23:19,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:19,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:23:19,444 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:19,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:23:19,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:23:19,445 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) [2022-03-03 18:23:20,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:20,113 INFO L93 Difference]: Finished difference Result 1495 states and 2750 transitions. [2022-03-03 18:23:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:20,113 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 [2022-03-03 18:23:20,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:20,115 INFO L225 Difference]: With dead ends: 1495 [2022-03-03 18:23:20,115 INFO L226 Difference]: Without dead ends: 1495 [2022-03-03 18:23:20,115 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 [2022-03-03 18:23:20,115 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 219 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-03-03 18:23:20,115 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] [2022-03-03 18:23:20,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2022-03-03 18:23:20,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1281. [2022-03-03 18:23:20,126 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) [2022-03-03 18:23:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 2360 transitions. [2022-03-03 18:23:20,127 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 2360 transitions. Word has length 113 [2022-03-03 18:23:20,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:20,127 INFO L470 AbstractCegarLoop]: Abstraction has 1281 states and 2360 transitions. [2022-03-03 18:23:20,127 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) [2022-03-03 18:23:20,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 2360 transitions. [2022-03-03 18:23:20,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:20,128 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:20,129 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:20,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-03 18:23:20,129 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:20,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:20,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1250392510, now seen corresponding path program 20 times [2022-03-03 18:23:20,129 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:20,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128544838] [2022-03-03 18:23:20,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:20,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:20,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:20,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128544838] [2022-03-03 18:23:20,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128544838] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:20,763 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:20,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:20,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267912817] [2022-03-03 18:23:20,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:20,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:20,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:20,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:20,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:20,764 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) [2022-03-03 18:23:21,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:21,377 INFO L93 Difference]: Finished difference Result 1414 states and 2597 transitions. [2022-03-03 18:23:21,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:23:21,379 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 [2022-03-03 18:23:21,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:21,380 INFO L225 Difference]: With dead ends: 1414 [2022-03-03 18:23:21,380 INFO L226 Difference]: Without dead ends: 1414 [2022-03-03 18:23:21,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:23:21,381 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 226 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:21,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 578 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:23:21,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2022-03-03 18:23:21,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1268. [2022-03-03 18:23:21,404 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) [2022-03-03 18:23:21,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-03-03 18:23:21,406 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-03-03 18:23:21,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:21,406 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-03-03 18:23:21,406 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) [2022-03-03 18:23:21,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-03-03 18:23:21,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:21,407 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:21,407 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:21,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-03 18:23:21,407 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:21,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:21,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1659326251, now seen corresponding path program 3 times [2022-03-03 18:23:21,408 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:21,408 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132123081] [2022-03-03 18:23:21,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:21,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:21,686 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:21,686 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:21,686 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132123081] [2022-03-03 18:23:21,686 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132123081] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:21,686 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:21,686 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:21,686 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317905168] [2022-03-03 18:23:21,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:21,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:21,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:21,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:21,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:21,687 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) [2022-03-03 18:23:22,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:22,102 INFO L93 Difference]: Finished difference Result 1296 states and 2380 transitions. [2022-03-03 18:23:22,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:23:22,102 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 [2022-03-03 18:23:22,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:22,104 INFO L225 Difference]: With dead ends: 1296 [2022-03-03 18:23:22,104 INFO L226 Difference]: Without dead ends: 1296 [2022-03-03 18:23:22,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:23:22,104 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 159 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:23:22,104 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] [2022-03-03 18:23:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2022-03-03 18:23:22,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1268. [2022-03-03 18:23:22,113 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) [2022-03-03 18:23:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-03-03 18:23:22,115 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-03-03 18:23:22,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:22,115 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-03-03 18:23:22,115 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) [2022-03-03 18:23:22,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-03-03 18:23:22,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:22,116 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:22,116 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:22,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-03-03 18:23:22,116 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:22,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:22,116 INFO L85 PathProgramCache]: Analyzing trace with hash 945597615, now seen corresponding path program 4 times [2022-03-03 18:23:22,117 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:22,117 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988971941] [2022-03-03 18:23:22,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:22,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:22,334 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:22,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988971941] [2022-03-03 18:23:22,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988971941] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:22,334 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:22,334 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:22,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663320885] [2022-03-03 18:23:22,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:22,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:22,335 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:22,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:22,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:22,335 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) [2022-03-03 18:23:22,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:22,625 INFO L93 Difference]: Finished difference Result 1308 states and 2400 transitions. [2022-03-03 18:23:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:23:22,626 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 [2022-03-03 18:23:22,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:22,627 INFO L225 Difference]: With dead ends: 1308 [2022-03-03 18:23:22,627 INFO L226 Difference]: Without dead ends: 1308 [2022-03-03 18:23:22,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:23:22,628 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 147 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:23:22,628 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] [2022-03-03 18:23:22,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-03-03 18:23:22,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1268. [2022-03-03 18:23:22,637 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) [2022-03-03 18:23:22,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-03-03 18:23:22,638 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-03-03 18:23:22,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:22,638 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-03-03 18:23:22,638 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) [2022-03-03 18:23:22,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-03-03 18:23:22,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:22,639 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:22,639 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:22,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-03 18:23:22,640 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:22,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:22,640 INFO L85 PathProgramCache]: Analyzing trace with hash 952733367, now seen corresponding path program 5 times [2022-03-03 18:23:22,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:22,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235898649] [2022-03-03 18:23:22,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:22,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:22,906 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:22,906 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235898649] [2022-03-03 18:23:22,906 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235898649] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:22,906 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:22,906 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:22,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222788507] [2022-03-03 18:23:22,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:22,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:22,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:22,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:22,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:22,907 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) [2022-03-03 18:23:23,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:23,262 INFO L93 Difference]: Finished difference Result 1318 states and 2420 transitions. [2022-03-03 18:23:23,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:23:23,268 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 [2022-03-03 18:23:23,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:23,269 INFO L225 Difference]: With dead ends: 1318 [2022-03-03 18:23:23,269 INFO L226 Difference]: Without dead ends: 1318 [2022-03-03 18:23:23,270 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 [2022-03-03 18:23:23,270 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 122 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:23:23,270 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] [2022-03-03 18:23:23,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2022-03-03 18:23:23,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1268. [2022-03-03 18:23:23,278 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) [2022-03-03 18:23:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 2334 transitions. [2022-03-03 18:23:23,279 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 2334 transitions. Word has length 113 [2022-03-03 18:23:23,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:23,279 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 2334 transitions. [2022-03-03 18:23:23,279 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) [2022-03-03 18:23:23,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2334 transitions. [2022-03-03 18:23:23,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:23,280 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:23,280 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:23,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-03-03 18:23:23,281 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:23,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:23,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2029248333, now seen corresponding path program 6 times [2022-03-03 18:23:23,281 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:23,281 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899618249] [2022-03-03 18:23:23,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:23,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:23,589 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:23,589 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899618249] [2022-03-03 18:23:23,589 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899618249] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:23,589 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:23,589 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:23,589 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273440347] [2022-03-03 18:23:23,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:23,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:23,589 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:23,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:23,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:23,589 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) [2022-03-03 18:23:23,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:23,868 INFO L93 Difference]: Finished difference Result 1307 states and 2402 transitions. [2022-03-03 18:23:23,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:23:23,868 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 [2022-03-03 18:23:23,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:23,870 INFO L225 Difference]: With dead ends: 1307 [2022-03-03 18:23:23,870 INFO L226 Difference]: Without dead ends: 1307 [2022-03-03 18:23:23,870 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 [2022-03-03 18:23:23,870 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 [2022-03-03 18:23:23,870 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] [2022-03-03 18:23:23,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2022-03-03 18:23:23,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 1247. [2022-03-03 18:23:23,879 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) [2022-03-03 18:23:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 2296 transitions. [2022-03-03 18:23:23,881 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 2296 transitions. Word has length 113 [2022-03-03 18:23:23,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:23,881 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 2296 transitions. [2022-03-03 18:23:23,881 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) [2022-03-03 18:23:23,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2296 transitions. [2022-03-03 18:23:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:23,882 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:23,882 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:23,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-03-03 18:23:23,882 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:23,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:23,882 INFO L85 PathProgramCache]: Analyzing trace with hash -814171281, now seen corresponding path program 27 times [2022-03-03 18:23:23,883 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:23,883 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100210641] [2022-03-03 18:23:23,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:23,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:24,622 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:24,622 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100210641] [2022-03-03 18:23:24,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100210641] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:24,622 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:24,622 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:24,622 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511537181] [2022-03-03 18:23:24,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:24,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:24,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:24,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:24,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:24,623 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) [2022-03-03 18:23:25,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:25,206 INFO L93 Difference]: Finished difference Result 1705 states and 3161 transitions. [2022-03-03 18:23:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:23:25,211 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 [2022-03-03 18:23:25,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:25,213 INFO L225 Difference]: With dead ends: 1705 [2022-03-03 18:23:25,213 INFO L226 Difference]: Without dead ends: 1705 [2022-03-03 18:23:25,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:23:25,214 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 [2022-03-03 18:23:25,214 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] [2022-03-03 18:23:25,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2022-03-03 18:23:25,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1269. [2022-03-03 18:23:25,226 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) [2022-03-03 18:23:25,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 2340 transitions. [2022-03-03 18:23:25,227 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 2340 transitions. Word has length 113 [2022-03-03 18:23:25,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:25,227 INFO L470 AbstractCegarLoop]: Abstraction has 1269 states and 2340 transitions. [2022-03-03 18:23:25,227 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) [2022-03-03 18:23:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 2340 transitions. [2022-03-03 18:23:25,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:25,229 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:25,229 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:25,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-03-03 18:23:25,229 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:25,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:25,230 INFO L85 PathProgramCache]: Analyzing trace with hash -77199181, now seen corresponding path program 28 times [2022-03-03 18:23:25,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:25,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348444111] [2022-03-03 18:23:25,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:25,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:25,846 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:25,847 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:25,847 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348444111] [2022-03-03 18:23:25,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348444111] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:25,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:25,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:25,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218342889] [2022-03-03 18:23:25,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:25,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:25,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:25,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:25,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:25,847 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) [2022-03-03 18:23:26,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:26,299 INFO L93 Difference]: Finished difference Result 1735 states and 3213 transitions. [2022-03-03 18:23:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:23:26,299 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 [2022-03-03 18:23:26,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:26,301 INFO L225 Difference]: With dead ends: 1735 [2022-03-03 18:23:26,301 INFO L226 Difference]: Without dead ends: 1735 [2022-03-03 18:23:26,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:23:26,303 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 276 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:26,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 521 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:26,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-03-03 18:23:26,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1257. [2022-03-03 18:23:26,314 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) [2022-03-03 18:23:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 2316 transitions. [2022-03-03 18:23:26,316 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 2316 transitions. Word has length 113 [2022-03-03 18:23:26,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:26,316 INFO L470 AbstractCegarLoop]: Abstraction has 1257 states and 2316 transitions. [2022-03-03 18:23:26,316 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) [2022-03-03 18:23:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 2316 transitions. [2022-03-03 18:23:26,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:26,318 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:26,318 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:26,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-03-03 18:23:26,319 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:26,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:26,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1378928111, now seen corresponding path program 29 times [2022-03-03 18:23:26,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:26,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656288483] [2022-03-03 18:23:26,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:26,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:26,899 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:26,899 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:26,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656288483] [2022-03-03 18:23:26,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656288483] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:26,899 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:26,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:26,900 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749854480] [2022-03-03 18:23:26,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:26,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:26,900 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:26,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:26,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:26,901 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) [2022-03-03 18:23:27,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:27,256 INFO L93 Difference]: Finished difference Result 1755 states and 3253 transitions. [2022-03-03 18:23:27,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:23:27,256 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 [2022-03-03 18:23:27,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:27,258 INFO L225 Difference]: With dead ends: 1755 [2022-03-03 18:23:27,258 INFO L226 Difference]: Without dead ends: 1755 [2022-03-03 18:23:27,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-03 18:23:27,258 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:27,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 484 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:27,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2022-03-03 18:23:27,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1247. [2022-03-03 18:23:27,268 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) [2022-03-03 18:23:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 2296 transitions. [2022-03-03 18:23:27,269 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 2296 transitions. Word has length 113 [2022-03-03 18:23:27,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:27,269 INFO L470 AbstractCegarLoop]: Abstraction has 1247 states and 2296 transitions. [2022-03-03 18:23:27,269 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) [2022-03-03 18:23:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2296 transitions. [2022-03-03 18:23:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:27,270 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:27,271 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] [2022-03-03 18:23:27,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-03-03 18:23:27,271 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:27,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:27,271 INFO L85 PathProgramCache]: Analyzing trace with hash -24897997, now seen corresponding path program 30 times [2022-03-03 18:23:27,271 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:27,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180202369] [2022-03-03 18:23:27,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:27,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:27,809 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:27,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:27,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180202369] [2022-03-03 18:23:27,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180202369] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:27,810 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:27,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:27,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944842276] [2022-03-03 18:23:27,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:27,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:27,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:27,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:27,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:27,810 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) [2022-03-03 18:23:28,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:28,135 INFO L93 Difference]: Finished difference Result 1673 states and 3108 transitions. [2022-03-03 18:23:28,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:23:28,135 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 [2022-03-03 18:23:28,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:28,137 INFO L225 Difference]: With dead ends: 1673 [2022-03-03 18:23:28,137 INFO L226 Difference]: Without dead ends: 1673 [2022-03-03 18:23:28,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-03 18:23:28,137 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 182 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:28,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 556 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:28,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2022-03-03 18:23:28,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1231. [2022-03-03 18:23:28,146 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) [2022-03-03 18:23:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 2264 transitions. [2022-03-03 18:23:28,148 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 2264 transitions. Word has length 113 [2022-03-03 18:23:28,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:28,148 INFO L470 AbstractCegarLoop]: Abstraction has 1231 states and 2264 transitions. [2022-03-03 18:23:28,148 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) [2022-03-03 18:23:28,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 2264 transitions. [2022-03-03 18:23:28,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:28,149 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:28,149 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:28,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-03-03 18:23:28,149 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:28,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:28,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1094296257, now seen corresponding path program 31 times [2022-03-03 18:23:28,149 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:28,150 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029473406] [2022-03-03 18:23:28,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:28,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:29,008 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:29,008 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029473406] [2022-03-03 18:23:29,008 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029473406] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:29,008 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:29,008 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:23:29,008 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182577542] [2022-03-03 18:23:29,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:29,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:23:29,009 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:29,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:23:29,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:23:29,009 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) [2022-03-03 18:23:29,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:29,618 INFO L93 Difference]: Finished difference Result 1682 states and 3117 transitions. [2022-03-03 18:23:29,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:23:29,618 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 [2022-03-03 18:23:29,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:29,620 INFO L225 Difference]: With dead ends: 1682 [2022-03-03 18:23:29,620 INFO L226 Difference]: Without dead ends: 1682 [2022-03-03 18:23:29,620 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 [2022-03-03 18:23:29,620 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 250 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:29,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 759 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:23:29,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-03-03 18:23:29,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1239. [2022-03-03 18:23:29,630 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) [2022-03-03 18:23:29,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2280 transitions. [2022-03-03 18:23:29,631 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2280 transitions. Word has length 113 [2022-03-03 18:23:29,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:29,631 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 2280 transitions. [2022-03-03 18:23:29,631 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) [2022-03-03 18:23:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2280 transitions. [2022-03-03 18:23:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:29,632 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:29,632 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:29,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-03-03 18:23:29,632 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:29,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:29,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1831268357, now seen corresponding path program 32 times [2022-03-03 18:23:29,633 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:29,633 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478530702] [2022-03-03 18:23:29,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:29,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:30,623 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:30,624 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:30,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478530702] [2022-03-03 18:23:30,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478530702] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:30,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:30,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:30,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899605086] [2022-03-03 18:23:30,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:30,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:30,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:30,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:30,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:30,625 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) [2022-03-03 18:23:31,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:31,119 INFO L93 Difference]: Finished difference Result 1720 states and 3193 transitions. [2022-03-03 18:23:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:23:31,119 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 [2022-03-03 18:23:31,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:31,121 INFO L225 Difference]: With dead ends: 1720 [2022-03-03 18:23:31,121 INFO L226 Difference]: Without dead ends: 1720 [2022-03-03 18:23:31,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=167, Unknown=0, NotChecked=0, Total=272 [2022-03-03 18:23:31,121 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 267 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:31,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 514 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:31,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2022-03-03 18:23:31,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1239. [2022-03-03 18:23:31,131 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) [2022-03-03 18:23:31,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 2280 transitions. [2022-03-03 18:23:31,132 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 2280 transitions. Word has length 113 [2022-03-03 18:23:31,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:31,132 INFO L470 AbstractCegarLoop]: Abstraction has 1239 states and 2280 transitions. [2022-03-03 18:23:31,132 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) [2022-03-03 18:23:31,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2280 transitions. [2022-03-03 18:23:31,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:31,133 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:31,133 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:31,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-03-03 18:23:31,134 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:31,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:31,134 INFO L85 PathProgramCache]: Analyzing trace with hash 420967865, now seen corresponding path program 33 times [2022-03-03 18:23:31,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:31,134 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642206269] [2022-03-03 18:23:31,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:31,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:31,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:31,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642206269] [2022-03-03 18:23:31,806 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642206269] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:31,806 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:31,806 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:23:31,806 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827239547] [2022-03-03 18:23:31,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:31,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:23:31,807 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:31,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:23:31,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:23:31,807 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) [2022-03-03 18:23:32,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:32,416 INFO L93 Difference]: Finished difference Result 1678 states and 3119 transitions. [2022-03-03 18:23:32,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:23:32,417 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 [2022-03-03 18:23:32,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:32,419 INFO L225 Difference]: With dead ends: 1678 [2022-03-03 18:23:32,419 INFO L226 Difference]: Without dead ends: 1678 [2022-03-03 18:23:32,419 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 [2022-03-03 18:23:32,419 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 [2022-03-03 18:23:32,419 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] [2022-03-03 18:23:32,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2022-03-03 18:23:32,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1232. [2022-03-03 18:23:32,429 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) [2022-03-03 18:23:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 2266 transitions. [2022-03-03 18:23:32,430 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 2266 transitions. Word has length 113 [2022-03-03 18:23:32,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:32,430 INFO L470 AbstractCegarLoop]: Abstraction has 1232 states and 2266 transitions. [2022-03-03 18:23:32,430 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) [2022-03-03 18:23:32,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 2266 transitions. [2022-03-03 18:23:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:32,431 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:32,432 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:32,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-03-03 18:23:32,432 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:32,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:32,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1990288639, now seen corresponding path program 34 times [2022-03-03 18:23:32,432 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:32,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398960270] [2022-03-03 18:23:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:32,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:33,344 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:33,344 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398960270] [2022-03-03 18:23:33,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398960270] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:33,344 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:33,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:33,344 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627034413] [2022-03-03 18:23:33,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:33,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:33,345 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:33,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:33,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:33,345 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) [2022-03-03 18:23:33,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:33,916 INFO L93 Difference]: Finished difference Result 1691 states and 3137 transitions. [2022-03-03 18:23:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:23:33,916 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 [2022-03-03 18:23:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:33,918 INFO L225 Difference]: With dead ends: 1691 [2022-03-03 18:23:33,918 INFO L226 Difference]: Without dead ends: 1691 [2022-03-03 18:23:33,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:23:33,919 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 264 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:33,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 591 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:23:33,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2022-03-03 18:23:33,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1232. [2022-03-03 18:23:33,928 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) [2022-03-03 18:23:33,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 2266 transitions. [2022-03-03 18:23:33,929 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 2266 transitions. Word has length 113 [2022-03-03 18:23:33,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:33,929 INFO L470 AbstractCegarLoop]: Abstraction has 1232 states and 2266 transitions. [2022-03-03 18:23:33,929 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) [2022-03-03 18:23:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 2266 transitions. [2022-03-03 18:23:33,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:33,930 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:33,930 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:33,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-03-03 18:23:33,930 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:33,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:33,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1567706557, now seen corresponding path program 35 times [2022-03-03 18:23:33,931 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:33,931 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743503020] [2022-03-03 18:23:33,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:33,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:34,852 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:34,852 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743503020] [2022-03-03 18:23:34,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743503020] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:34,852 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:34,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:34,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329032065] [2022-03-03 18:23:34,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:34,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:34,852 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:34,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:34,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:34,853 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) [2022-03-03 18:23:35,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:35,467 INFO L93 Difference]: Finished difference Result 1664 states and 3092 transitions. [2022-03-03 18:23:35,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:23:35,467 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 [2022-03-03 18:23:35,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:35,469 INFO L225 Difference]: With dead ends: 1664 [2022-03-03 18:23:35,469 INFO L226 Difference]: Without dead ends: 1664 [2022-03-03 18:23:35,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:23:35,469 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:35,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 677 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:23:35,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2022-03-03 18:23:35,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1215. [2022-03-03 18:23:35,479 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) [2022-03-03 18:23:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2232 transitions. [2022-03-03 18:23:35,480 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2232 transitions. Word has length 113 [2022-03-03 18:23:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:35,480 INFO L470 AbstractCegarLoop]: Abstraction has 1215 states and 2232 transitions. [2022-03-03 18:23:35,480 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) [2022-03-03 18:23:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2232 transitions. [2022-03-03 18:23:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:35,481 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:35,481 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:35,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-03-03 18:23:35,481 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:35,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:35,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1699704471, now seen corresponding path program 36 times [2022-03-03 18:23:35,482 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:35,482 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964260768] [2022-03-03 18:23:35,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:35,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:36,257 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:36,257 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:36,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964260768] [2022-03-03 18:23:36,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964260768] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:36,258 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:36,258 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:23:36,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138533278] [2022-03-03 18:23:36,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:36,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:23:36,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:36,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:23:36,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:23:36,258 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) [2022-03-03 18:23:36,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:36,873 INFO L93 Difference]: Finished difference Result 1583 states and 2939 transitions. [2022-03-03 18:23:36,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:23:36,873 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 [2022-03-03 18:23:36,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:36,875 INFO L225 Difference]: With dead ends: 1583 [2022-03-03 18:23:36,875 INFO L226 Difference]: Without dead ends: 1583 [2022-03-03 18:23:36,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=132, Invalid=210, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:23:36,875 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 246 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:36,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 546 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:23:36,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-03-03 18:23:36,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1199. [2022-03-03 18:23:36,884 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) [2022-03-03 18:23:36,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 2200 transitions. [2022-03-03 18:23:36,885 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 2200 transitions. Word has length 113 [2022-03-03 18:23:36,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:36,885 INFO L470 AbstractCegarLoop]: Abstraction has 1199 states and 2200 transitions. [2022-03-03 18:23:36,886 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) [2022-03-03 18:23:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 2200 transitions. [2022-03-03 18:23:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:36,886 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:36,887 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] [2022-03-03 18:23:36,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-03-03 18:23:36,887 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:36,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:36,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1480483601, now seen corresponding path program 23 times [2022-03-03 18:23:36,887 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:36,887 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957149645] [2022-03-03 18:23:36,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:36,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:37,217 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:37,218 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:37,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957149645] [2022-03-03 18:23:37,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957149645] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:37,218 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:37,218 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:37,218 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849781479] [2022-03-03 18:23:37,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:37,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:37,218 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:37,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:37,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:37,219 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) [2022-03-03 18:23:37,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:37,573 INFO L93 Difference]: Finished difference Result 1284 states and 2350 transitions. [2022-03-03 18:23:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:23:37,573 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 [2022-03-03 18:23:37,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:37,575 INFO L225 Difference]: With dead ends: 1284 [2022-03-03 18:23:37,575 INFO L226 Difference]: Without dead ends: 1284 [2022-03-03 18:23:37,575 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 [2022-03-03 18:23:37,575 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 [2022-03-03 18:23:37,575 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] [2022-03-03 18:23:37,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2022-03-03 18:23:37,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1193. [2022-03-03 18:23:37,583 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) [2022-03-03 18:23:37,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 2188 transitions. [2022-03-03 18:23:37,584 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 2188 transitions. Word has length 113 [2022-03-03 18:23:37,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:37,584 INFO L470 AbstractCegarLoop]: Abstraction has 1193 states and 2188 transitions. [2022-03-03 18:23:37,585 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) [2022-03-03 18:23:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 2188 transitions. [2022-03-03 18:23:37,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:37,586 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:37,586 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:37,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-03-03 18:23:37,586 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:37,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:37,586 INFO L85 PathProgramCache]: Analyzing trace with hash 364668245, now seen corresponding path program 24 times [2022-03-03 18:23:37,586 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:37,586 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274201166] [2022-03-03 18:23:37,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:37,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:38,286 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:38,286 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274201166] [2022-03-03 18:23:38,286 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274201166] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:38,287 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:38,287 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:23:38,287 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473105270] [2022-03-03 18:23:38,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:38,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:23:38,287 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:38,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:23:38,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:23:38,288 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) [2022-03-03 18:23:39,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:39,435 INFO L93 Difference]: Finished difference Result 1999 states and 3698 transitions. [2022-03-03 18:23:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-03 18:23:39,435 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 [2022-03-03 18:23:39,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:39,438 INFO L225 Difference]: With dead ends: 1999 [2022-03-03 18:23:39,438 INFO L226 Difference]: Without dead ends: 1999 [2022-03-03 18:23:39,438 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 [2022-03-03 18:23:39,438 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 [2022-03-03 18:23:39,438 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] [2022-03-03 18:23:39,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2022-03-03 18:23:39,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1185. [2022-03-03 18:23:39,448 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) [2022-03-03 18:23:39,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 2172 transitions. [2022-03-03 18:23:39,449 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 2172 transitions. Word has length 113 [2022-03-03 18:23:39,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:39,449 INFO L470 AbstractCegarLoop]: Abstraction has 1185 states and 2172 transitions. [2022-03-03 18:23:39,449 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) [2022-03-03 18:23:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2172 transitions. [2022-03-03 18:23:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:39,450 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:39,450 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:39,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-03-03 18:23:39,451 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:39,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:39,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1122763947, now seen corresponding path program 25 times [2022-03-03 18:23:39,451 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:39,451 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129775445] [2022-03-03 18:23:39,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:39,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:39,944 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:39,944 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:39,944 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129775445] [2022-03-03 18:23:39,944 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129775445] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:39,944 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:39,944 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:39,944 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322123982] [2022-03-03 18:23:39,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:39,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:39,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:39,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:39,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:39,945 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) [2022-03-03 18:23:40,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:40,346 INFO L93 Difference]: Finished difference Result 1251 states and 2280 transitions. [2022-03-03 18:23:40,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:23:40,347 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 [2022-03-03 18:23:40,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:40,348 INFO L225 Difference]: With dead ends: 1251 [2022-03-03 18:23:40,348 INFO L226 Difference]: Without dead ends: 1251 [2022-03-03 18:23:40,348 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 [2022-03-03 18:23:40,348 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 [2022-03-03 18:23:40,349 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] [2022-03-03 18:23:40,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2022-03-03 18:23:40,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1184. [2022-03-03 18:23:40,357 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) [2022-03-03 18:23:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 2171 transitions. [2022-03-03 18:23:40,359 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 2171 transitions. Word has length 113 [2022-03-03 18:23:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:40,359 INFO L470 AbstractCegarLoop]: Abstraction has 1184 states and 2171 transitions. [2022-03-03 18:23:40,359 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) [2022-03-03 18:23:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2171 transitions. [2022-03-03 18:23:40,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-03-03 18:23:40,360 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:40,360 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:40,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-03-03 18:23:40,361 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:40,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:40,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1007920087, now seen corresponding path program 26 times [2022-03-03 18:23:40,361 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:40,361 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573806890] [2022-03-03 18:23:40,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:40,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:41,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:41,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573806890] [2022-03-03 18:23:41,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573806890] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:41,194 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:41,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:23:41,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802353426] [2022-03-03 18:23:41,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:41,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:23:41,195 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:41,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:23:41,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:23:41,195 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) [2022-03-03 18:23:42,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:42,728 INFO L93 Difference]: Finished difference Result 1981 states and 3662 transitions. [2022-03-03 18:23:42,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-03 18:23:42,728 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 [2022-03-03 18:23:42,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:42,730 INFO L225 Difference]: With dead ends: 1981 [2022-03-03 18:23:42,730 INFO L226 Difference]: Without dead ends: 1981 [2022-03-03 18:23:42,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=346, Invalid=1214, Unknown=0, NotChecked=0, Total=1560 [2022-03-03 18:23:42,730 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 740 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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 [2022-03-03 18:23:42,731 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] [2022-03-03 18:23:42,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1981 states. [2022-03-03 18:23:42,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1981 to 1158. [2022-03-03 18:23:42,741 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) [2022-03-03 18:23:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 2126 transitions. [2022-03-03 18:23:42,742 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 2126 transitions. Word has length 113 [2022-03-03 18:23:42,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:42,743 INFO L470 AbstractCegarLoop]: Abstraction has 1158 states and 2126 transitions. [2022-03-03 18:23:42,743 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) [2022-03-03 18:23:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 2126 transitions. [2022-03-03 18:23:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:42,744 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:42,744 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:42,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-03-03 18:23:42,744 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:42,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:42,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1897626067, now seen corresponding path program 1 times [2022-03-03 18:23:42,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:42,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587106192] [2022-03-03 18:23:42,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:42,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:43,158 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:43,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587106192] [2022-03-03 18:23:43,158 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587106192] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:43,158 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:43,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:43,159 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241153174] [2022-03-03 18:23:43,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:43,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:43,159 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:43,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:43,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:43,159 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) [2022-03-03 18:23:43,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:43,622 INFO L93 Difference]: Finished difference Result 2040 states and 3774 transitions. [2022-03-03 18:23:43,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:23:43,622 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 [2022-03-03 18:23:43,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:43,625 INFO L225 Difference]: With dead ends: 2040 [2022-03-03 18:23:43,625 INFO L226 Difference]: Without dead ends: 2040 [2022-03-03 18:23:43,625 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 [2022-03-03 18:23:43,625 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 [2022-03-03 18:23:43,625 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] [2022-03-03 18:23:43,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2022-03-03 18:23:43,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 1255. [2022-03-03 18:23:43,636 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) [2022-03-03 18:23:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 2320 transitions. [2022-03-03 18:23:43,637 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 2320 transitions. Word has length 114 [2022-03-03 18:23:43,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:43,637 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 2320 transitions. [2022-03-03 18:23:43,637 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) [2022-03-03 18:23:43,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2320 transitions. [2022-03-03 18:23:43,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:43,638 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:43,639 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:43,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-03-03 18:23:43,639 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:43,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:43,639 INFO L85 PathProgramCache]: Analyzing trace with hash -906945106, now seen corresponding path program 1 times [2022-03-03 18:23:43,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:43,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164913509] [2022-03-03 18:23:43,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:43,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:43,869 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:43,869 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164913509] [2022-03-03 18:23:43,869 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164913509] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:43,869 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:43,870 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:43,870 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972718968] [2022-03-03 18:23:43,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:43,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:43,870 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:43,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:43,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:43,870 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) [2022-03-03 18:23:44,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:44,208 INFO L93 Difference]: Finished difference Result 2013 states and 3723 transitions. [2022-03-03 18:23:44,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:44,208 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 [2022-03-03 18:23:44,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:44,211 INFO L225 Difference]: With dead ends: 2013 [2022-03-03 18:23:44,211 INFO L226 Difference]: Without dead ends: 2013 [2022-03-03 18:23:44,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-03 18:23:44,211 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 226 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:23:44,211 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] [2022-03-03 18:23:44,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2022-03-03 18:23:44,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1537. [2022-03-03 18:23:44,237 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) [2022-03-03 18:23:44,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2886 transitions. [2022-03-03 18:23:44,239 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2886 transitions. Word has length 114 [2022-03-03 18:23:44,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:44,239 INFO L470 AbstractCegarLoop]: Abstraction has 1537 states and 2886 transitions. [2022-03-03 18:23:44,239 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) [2022-03-03 18:23:44,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2886 transitions. [2022-03-03 18:23:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:44,240 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:44,240 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:44,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-03-03 18:23:44,240 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:44,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:44,241 INFO L85 PathProgramCache]: Analyzing trace with hash 2094172360, now seen corresponding path program 2 times [2022-03-03 18:23:44,241 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:44,241 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953908963] [2022-03-03 18:23:44,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:44,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:44,501 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:44,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953908963] [2022-03-03 18:23:44,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953908963] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:44,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:44,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:44,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568302606] [2022-03-03 18:23:44,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:44,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:44,503 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:44,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:44,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:44,503 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) [2022-03-03 18:23:44,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:44,854 INFO L93 Difference]: Finished difference Result 1999 states and 3695 transitions. [2022-03-03 18:23:44,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:44,854 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 [2022-03-03 18:23:44,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:44,856 INFO L225 Difference]: With dead ends: 1999 [2022-03-03 18:23:44,856 INFO L226 Difference]: Without dead ends: 1999 [2022-03-03 18:23:44,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-03 18:23:44,856 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 235 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:23:44,857 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] [2022-03-03 18:23:44,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2022-03-03 18:23:44,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1549. [2022-03-03 18:23:44,870 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) [2022-03-03 18:23:44,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2900 transitions. [2022-03-03 18:23:44,872 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2900 transitions. Word has length 114 [2022-03-03 18:23:44,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:44,872 INFO L470 AbstractCegarLoop]: Abstraction has 1549 states and 2900 transitions. [2022-03-03 18:23:44,872 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) [2022-03-03 18:23:44,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2900 transitions. [2022-03-03 18:23:44,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:44,873 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:44,873 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:44,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-03-03 18:23:44,873 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:44,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:44,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1898103903, now seen corresponding path program 1 times [2022-03-03 18:23:44,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:44,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365560396] [2022-03-03 18:23:44,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:44,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:45,591 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:45,591 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365560396] [2022-03-03 18:23:45,591 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365560396] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:45,591 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:45,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:23:45,591 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367670759] [2022-03-03 18:23:45,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:45,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:23:45,592 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:45,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:23:45,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:23:45,592 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) [2022-03-03 18:23:46,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:46,047 INFO L93 Difference]: Finished difference Result 1971 states and 3644 transitions. [2022-03-03 18:23:46,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 18:23:46,047 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 [2022-03-03 18:23:46,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:46,055 INFO L225 Difference]: With dead ends: 1971 [2022-03-03 18:23:46,055 INFO L226 Difference]: Without dead ends: 1927 [2022-03-03 18:23:46,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:23:46,055 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 278 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:46,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 666 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:46,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2022-03-03 18:23:46,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1532. [2022-03-03 18:23:46,069 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) [2022-03-03 18:23:46,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2863 transitions. [2022-03-03 18:23:46,071 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2863 transitions. Word has length 114 [2022-03-03 18:23:46,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:46,071 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 2863 transitions. [2022-03-03 18:23:46,071 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) [2022-03-03 18:23:46,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2863 transitions. [2022-03-03 18:23:46,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:46,072 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:46,072 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:46,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-03-03 18:23:46,072 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:46,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:46,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1653358524, now seen corresponding path program 1 times [2022-03-03 18:23:46,073 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:46,073 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307821352] [2022-03-03 18:23:46,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:46,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:46,149 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:46,149 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:46,149 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307821352] [2022-03-03 18:23:46,149 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307821352] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:46,150 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:46,150 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 18:23:46,150 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130287936] [2022-03-03 18:23:46,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:46,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 18:23:46,151 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:46,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 18:23:46,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-03 18:23:46,151 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) [2022-03-03 18:23:46,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:46,302 INFO L93 Difference]: Finished difference Result 1600 states and 2990 transitions. [2022-03-03 18:23:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:46,302 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 [2022-03-03 18:23:46,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:46,305 INFO L225 Difference]: With dead ends: 1600 [2022-03-03 18:23:46,305 INFO L226 Difference]: Without dead ends: 1600 [2022-03-03 18:23:46,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:23:46,305 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:46,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 397 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:23:46,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2022-03-03 18:23:46,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1534. [2022-03-03 18:23:46,329 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) [2022-03-03 18:23:46,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2867 transitions. [2022-03-03 18:23:46,331 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2867 transitions. Word has length 114 [2022-03-03 18:23:46,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:46,332 INFO L470 AbstractCegarLoop]: Abstraction has 1534 states and 2867 transitions. [2022-03-03 18:23:46,332 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) [2022-03-03 18:23:46,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2867 transitions. [2022-03-03 18:23:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:46,333 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:46,333 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, 1] [2022-03-03 18:23:46,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-03-03 18:23:46,333 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:46,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:46,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1567825494, now seen corresponding path program 2 times [2022-03-03 18:23:46,334 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:46,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385251336] [2022-03-03 18:23:46,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:46,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:46,657 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:46,657 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385251336] [2022-03-03 18:23:46,657 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385251336] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:46,657 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:46,657 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:46,657 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839200974] [2022-03-03 18:23:46,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:46,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:46,657 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:46,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:46,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:46,658 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) [2022-03-03 18:23:47,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:47,111 INFO L93 Difference]: Finished difference Result 1900 states and 3502 transitions. [2022-03-03 18:23:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:47,111 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 [2022-03-03 18:23:47,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:47,114 INFO L225 Difference]: With dead ends: 1900 [2022-03-03 18:23:47,114 INFO L226 Difference]: Without dead ends: 1900 [2022-03-03 18:23:47,114 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 [2022-03-03 18:23:47,115 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 [2022-03-03 18:23:47,115 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] [2022-03-03 18:23:47,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2022-03-03 18:23:47,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1581. [2022-03-03 18:23:47,130 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) [2022-03-03 18:23:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2960 transitions. [2022-03-03 18:23:47,133 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2960 transitions. Word has length 114 [2022-03-03 18:23:47,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:47,133 INFO L470 AbstractCegarLoop]: Abstraction has 1581 states and 2960 transitions. [2022-03-03 18:23:47,133 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) [2022-03-03 18:23:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2960 transitions. [2022-03-03 18:23:47,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:47,134 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:47,134 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:47,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-03-03 18:23:47,134 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:47,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:47,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1271331244, now seen corresponding path program 3 times [2022-03-03 18:23:47,135 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:47,135 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036823882] [2022-03-03 18:23:47,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:47,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:47,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:47,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036823882] [2022-03-03 18:23:47,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036823882] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:47,464 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:47,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:47,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995770217] [2022-03-03 18:23:47,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:47,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:47,465 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:47,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:47,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:47,465 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) [2022-03-03 18:23:47,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:47,908 INFO L93 Difference]: Finished difference Result 1887 states and 3477 transitions. [2022-03-03 18:23:47,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:47,908 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 [2022-03-03 18:23:47,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:47,911 INFO L225 Difference]: With dead ends: 1887 [2022-03-03 18:23:47,911 INFO L226 Difference]: Without dead ends: 1887 [2022-03-03 18:23:47,911 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 [2022-03-03 18:23:47,911 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 [2022-03-03 18:23:47,911 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] [2022-03-03 18:23:47,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2022-03-03 18:23:47,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1593. [2022-03-03 18:23:47,924 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) [2022-03-03 18:23:47,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2972 transitions. [2022-03-03 18:23:47,926 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2972 transitions. Word has length 114 [2022-03-03 18:23:47,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:47,926 INFO L470 AbstractCegarLoop]: Abstraction has 1593 states and 2972 transitions. [2022-03-03 18:23:47,926 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) [2022-03-03 18:23:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2972 transitions. [2022-03-03 18:23:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:47,927 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:47,928 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:47,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-03-03 18:23:47,928 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:47,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:47,928 INFO L85 PathProgramCache]: Analyzing trace with hash -2040526519, now seen corresponding path program 2 times [2022-03-03 18:23:47,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:47,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241585343] [2022-03-03 18:23:47,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:47,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:48,435 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:48,435 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:48,435 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241585343] [2022-03-03 18:23:48,435 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241585343] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:48,435 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:48,436 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:48,436 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952409422] [2022-03-03 18:23:48,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:48,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:48,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:48,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:48,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:48,436 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) [2022-03-03 18:23:48,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:48,893 INFO L93 Difference]: Finished difference Result 2236 states and 4164 transitions. [2022-03-03 18:23:48,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:48,893 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 [2022-03-03 18:23:48,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:48,896 INFO L225 Difference]: With dead ends: 2236 [2022-03-03 18:23:48,896 INFO L226 Difference]: Without dead ends: 2208 [2022-03-03 18:23:48,896 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 [2022-03-03 18:23:48,896 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:48,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 583 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:48,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2022-03-03 18:23:48,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 1669. [2022-03-03 18:23:48,910 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) [2022-03-03 18:23:48,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 3122 transitions. [2022-03-03 18:23:48,912 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 3122 transitions. Word has length 114 [2022-03-03 18:23:48,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:48,912 INFO L470 AbstractCegarLoop]: Abstraction has 1669 states and 3122 transitions. [2022-03-03 18:23:48,912 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) [2022-03-03 18:23:48,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 3122 transitions. [2022-03-03 18:23:48,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:48,913 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:48,914 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] [2022-03-03 18:23:48,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-03-03 18:23:48,914 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:48,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:48,914 INFO L85 PathProgramCache]: Analyzing trace with hash -83906309, now seen corresponding path program 3 times [2022-03-03 18:23:48,914 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:48,914 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333096447] [2022-03-03 18:23:48,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:48,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:49,526 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:49,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:49,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333096447] [2022-03-03 18:23:49,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333096447] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:49,526 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:49,526 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:49,526 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717831652] [2022-03-03 18:23:49,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:49,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:49,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:49,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:49,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:49,527 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) [2022-03-03 18:23:50,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:50,055 INFO L93 Difference]: Finished difference Result 2251 states and 4194 transitions. [2022-03-03 18:23:50,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:50,056 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 [2022-03-03 18:23:50,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:50,062 INFO L225 Difference]: With dead ends: 2251 [2022-03-03 18:23:50,062 INFO L226 Difference]: Without dead ends: 2230 [2022-03-03 18:23:50,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:23:50,065 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 256 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-03-03 18:23:50,065 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] [2022-03-03 18:23:50,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2022-03-03 18:23:50,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 1670. [2022-03-03 18:23:50,081 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) [2022-03-03 18:23:50,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 3124 transitions. [2022-03-03 18:23:50,083 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 3124 transitions. Word has length 114 [2022-03-03 18:23:50,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:50,083 INFO L470 AbstractCegarLoop]: Abstraction has 1670 states and 3124 transitions. [2022-03-03 18:23:50,083 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) [2022-03-03 18:23:50,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 3124 transitions. [2022-03-03 18:23:50,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:50,084 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:50,085 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] [2022-03-03 18:23:50,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-03-03 18:23:50,085 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:50,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:50,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1922053757, now seen corresponding path program 4 times [2022-03-03 18:23:50,086 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:50,086 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248771676] [2022-03-03 18:23:50,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:50,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:50,754 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:50,754 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:50,754 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248771676] [2022-03-03 18:23:50,754 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248771676] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:50,754 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:50,754 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:50,754 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986893394] [2022-03-03 18:23:50,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:50,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:50,755 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:50,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:50,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:50,755 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) [2022-03-03 18:23:51,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:51,299 INFO L93 Difference]: Finished difference Result 2168 states and 4030 transitions. [2022-03-03 18:23:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:51,299 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 [2022-03-03 18:23:51,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:51,301 INFO L225 Difference]: With dead ends: 2168 [2022-03-03 18:23:51,301 INFO L226 Difference]: Without dead ends: 2154 [2022-03-03 18:23:51,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:23:51,302 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 264 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:51,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 521 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:51,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2022-03-03 18:23:51,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 1671. [2022-03-03 18:23:51,326 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) [2022-03-03 18:23:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 3126 transitions. [2022-03-03 18:23:51,328 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 3126 transitions. Word has length 114 [2022-03-03 18:23:51,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:51,328 INFO L470 AbstractCegarLoop]: Abstraction has 1671 states and 3126 transitions. [2022-03-03 18:23:51,328 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) [2022-03-03 18:23:51,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 3126 transitions. [2022-03-03 18:23:51,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:51,330 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:51,330 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:51,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-03-03 18:23:51,330 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:51,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:51,344 INFO L85 PathProgramCache]: Analyzing trace with hash 115756892, now seen corresponding path program 4 times [2022-03-03 18:23:51,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:51,344 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254119978] [2022-03-03 18:23:51,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:51,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:51,468 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:51,468 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:51,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254119978] [2022-03-03 18:23:51,468 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254119978] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:51,468 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:51,468 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:51,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644397373] [2022-03-03 18:23:51,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:51,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:51,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:51,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:51,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:51,469 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) [2022-03-03 18:23:51,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:51,979 INFO L93 Difference]: Finished difference Result 1951 states and 3627 transitions. [2022-03-03 18:23:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 18:23:51,979 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 [2022-03-03 18:23:51,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:51,982 INFO L225 Difference]: With dead ends: 1951 [2022-03-03 18:23:51,982 INFO L226 Difference]: Without dead ends: 1951 [2022-03-03 18:23:51,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2022-03-03 18:23:51,982 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 267 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:51,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 841 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:51,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2022-03-03 18:23:51,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1671. [2022-03-03 18:23:51,995 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) [2022-03-03 18:23:51,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 3126 transitions. [2022-03-03 18:23:51,997 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 3126 transitions. Word has length 114 [2022-03-03 18:23:51,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:51,997 INFO L470 AbstractCegarLoop]: Abstraction has 1671 states and 3126 transitions. [2022-03-03 18:23:51,997 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) [2022-03-03 18:23:51,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 3126 transitions. [2022-03-03 18:23:51,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:51,998 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:51,998 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, 1] [2022-03-03 18:23:51,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-03-03 18:23:51,999 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:51,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:51,999 INFO L85 PathProgramCache]: Analyzing trace with hash 30223862, now seen corresponding path program 5 times [2022-03-03 18:23:51,999 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:51,999 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522949148] [2022-03-03 18:23:51,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:51,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:52,300 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:52,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522949148] [2022-03-03 18:23:52,300 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522949148] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:52,300 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:52,300 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:52,300 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538279805] [2022-03-03 18:23:52,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:52,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:52,300 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:52,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:52,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:52,301 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) [2022-03-03 18:23:52,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:52,658 INFO L93 Difference]: Finished difference Result 1973 states and 3656 transitions. [2022-03-03 18:23:52,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:52,658 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 [2022-03-03 18:23:52,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:52,661 INFO L225 Difference]: With dead ends: 1973 [2022-03-03 18:23:52,661 INFO L226 Difference]: Without dead ends: 1973 [2022-03-03 18:23:52,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:23:52,661 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 152 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:52,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 551 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:23:52,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2022-03-03 18:23:52,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1690. [2022-03-03 18:23:52,685 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) [2022-03-03 18:23:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 3164 transitions. [2022-03-03 18:23:52,687 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 3164 transitions. Word has length 114 [2022-03-03 18:23:52,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:52,687 INFO L470 AbstractCegarLoop]: Abstraction has 1690 states and 3164 transitions. [2022-03-03 18:23:52,687 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) [2022-03-03 18:23:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 3164 transitions. [2022-03-03 18:23:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:52,688 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:52,688 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, 1] [2022-03-03 18:23:52,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-03-03 18:23:52,688 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:52,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:52,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1702295418, now seen corresponding path program 6 times [2022-03-03 18:23:52,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:52,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134753415] [2022-03-03 18:23:52,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:52,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:53,092 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:53,092 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:53,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134753415] [2022-03-03 18:23:53,092 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134753415] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:53,092 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:53,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:53,092 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322769946] [2022-03-03 18:23:53,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:53,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:53,093 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:53,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:53,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:53,093 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) [2022-03-03 18:23:53,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:53,548 INFO L93 Difference]: Finished difference Result 1968 states and 3647 transitions. [2022-03-03 18:23:53,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:53,548 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 [2022-03-03 18:23:53,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:53,551 INFO L225 Difference]: With dead ends: 1968 [2022-03-03 18:23:53,551 INFO L226 Difference]: Without dead ends: 1968 [2022-03-03 18:23:53,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:23:53,551 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:53,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 627 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:53,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2022-03-03 18:23:53,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1672. [2022-03-03 18:23:53,563 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) [2022-03-03 18:23:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 3128 transitions. [2022-03-03 18:23:53,565 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 3128 transitions. Word has length 114 [2022-03-03 18:23:53,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:53,565 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 3128 transitions. [2022-03-03 18:23:53,565 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) [2022-03-03 18:23:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 3128 transitions. [2022-03-03 18:23:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:53,566 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:53,566 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] [2022-03-03 18:23:53,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-03-03 18:23:53,567 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:53,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:53,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1227539500, now seen corresponding path program 7 times [2022-03-03 18:23:53,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:53,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850252430] [2022-03-03 18:23:53,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:53,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:53,898 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:53,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:53,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850252430] [2022-03-03 18:23:53,898 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850252430] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:53,898 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:53,898 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:53,898 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912784586] [2022-03-03 18:23:53,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:53,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:53,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:53,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:53,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:53,899 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) [2022-03-03 18:23:54,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:54,292 INFO L93 Difference]: Finished difference Result 1950 states and 3613 transitions. [2022-03-03 18:23:54,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:54,292 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 [2022-03-03 18:23:54,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:54,295 INFO L225 Difference]: With dead ends: 1950 [2022-03-03 18:23:54,295 INFO L226 Difference]: Without dead ends: 1950 [2022-03-03 18:23:54,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:23:54,295 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 165 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:23:54,295 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] [2022-03-03 18:23:54,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2022-03-03 18:23:54,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1673. [2022-03-03 18:23:54,309 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) [2022-03-03 18:23:54,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 3130 transitions. [2022-03-03 18:23:54,311 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 3130 transitions. Word has length 114 [2022-03-03 18:23:54,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:54,311 INFO L470 AbstractCegarLoop]: Abstraction has 1673 states and 3130 transitions. [2022-03-03 18:23:54,311 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) [2022-03-03 18:23:54,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 3130 transitions. [2022-03-03 18:23:54,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:54,312 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:54,313 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] [2022-03-03 18:23:54,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-03-03 18:23:54,313 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:54,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:54,313 INFO L85 PathProgramCache]: Analyzing trace with hash -93297196, now seen corresponding path program 8 times [2022-03-03 18:23:54,313 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:54,313 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293912616] [2022-03-03 18:23:54,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:54,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:54,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:54,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293912616] [2022-03-03 18:23:54,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293912616] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:54,864 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:54,864 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:54,864 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702832274] [2022-03-03 18:23:54,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:54,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:54,864 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:54,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:54,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:54,864 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) [2022-03-03 18:23:55,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:55,363 INFO L93 Difference]: Finished difference Result 1938 states and 3585 transitions. [2022-03-03 18:23:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:55,363 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 [2022-03-03 18:23:55,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:55,365 INFO L225 Difference]: With dead ends: 1938 [2022-03-03 18:23:55,366 INFO L226 Difference]: Without dead ends: 1938 [2022-03-03 18:23:55,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:23:55,366 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 171 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:55,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 536 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:55,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2022-03-03 18:23:55,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1675. [2022-03-03 18:23:55,379 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) [2022-03-03 18:23:55,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 3133 transitions. [2022-03-03 18:23:55,380 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 3133 transitions. Word has length 114 [2022-03-03 18:23:55,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:55,380 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 3133 transitions. [2022-03-03 18:23:55,381 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) [2022-03-03 18:23:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3133 transitions. [2022-03-03 18:23:55,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:55,382 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:55,382 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:55,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-03-03 18:23:55,382 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:55,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:55,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1533398418, now seen corresponding path program 9 times [2022-03-03 18:23:55,382 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:55,382 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981127021] [2022-03-03 18:23:55,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:55,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:55,888 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:55,888 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981127021] [2022-03-03 18:23:55,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981127021] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:55,888 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:55,888 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:55,888 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48043886] [2022-03-03 18:23:55,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:55,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:55,889 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:55,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:55,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:55,889 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) [2022-03-03 18:23:56,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:56,369 INFO L93 Difference]: Finished difference Result 1933 states and 3579 transitions. [2022-03-03 18:23:56,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:56,369 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 [2022-03-03 18:23:56,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:56,372 INFO L225 Difference]: With dead ends: 1933 [2022-03-03 18:23:56,372 INFO L226 Difference]: Without dead ends: 1933 [2022-03-03 18:23:56,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:23:56,372 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 167 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:56,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 613 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:56,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2022-03-03 18:23:56,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1675. [2022-03-03 18:23:56,384 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) [2022-03-03 18:23:56,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 3133 transitions. [2022-03-03 18:23:56,386 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 3133 transitions. Word has length 114 [2022-03-03 18:23:56,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:56,386 INFO L470 AbstractCegarLoop]: Abstraction has 1675 states and 3133 transitions. [2022-03-03 18:23:56,386 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) [2022-03-03 18:23:56,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3133 transitions. [2022-03-03 18:23:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:56,387 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:56,387 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:56,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-03-03 18:23:56,388 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:56,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:56,388 INFO L85 PathProgramCache]: Analyzing trace with hash 211158013, now seen corresponding path program 5 times [2022-03-03 18:23:56,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:56,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958993934] [2022-03-03 18:23:56,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:56,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:56,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:56,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958993934] [2022-03-03 18:23:56,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958993934] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:56,841 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:56,841 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:56,841 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840009258] [2022-03-03 18:23:56,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:56,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:56,841 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:56,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:56,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:56,841 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) [2022-03-03 18:23:57,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:57,310 INFO L93 Difference]: Finished difference Result 1997 states and 3730 transitions. [2022-03-03 18:23:57,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:57,310 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 [2022-03-03 18:23:57,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:57,313 INFO L225 Difference]: With dead ends: 1997 [2022-03-03 18:23:57,313 INFO L226 Difference]: Without dead ends: 1969 [2022-03-03 18:23:57,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-03-03 18:23:57,313 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:57,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 717 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:57,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-03-03 18:23:57,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1639. [2022-03-03 18:23:57,327 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) [2022-03-03 18:23:57,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 3061 transitions. [2022-03-03 18:23:57,328 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 3061 transitions. Word has length 114 [2022-03-03 18:23:57,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:57,329 INFO L470 AbstractCegarLoop]: Abstraction has 1639 states and 3061 transitions. [2022-03-03 18:23:57,329 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) [2022-03-03 18:23:57,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 3061 transitions. [2022-03-03 18:23:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:57,331 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:57,331 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:23:57,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-03-03 18:23:57,331 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:57,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:57,331 INFO L85 PathProgramCache]: Analyzing trace with hash -121229007, now seen corresponding path program 6 times [2022-03-03 18:23:57,331 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:57,331 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920938432] [2022-03-03 18:23:57,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:57,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:57,931 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:57,931 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:57,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920938432] [2022-03-03 18:23:57,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920938432] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:57,931 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:57,931 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:57,931 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117141462] [2022-03-03 18:23:57,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:57,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:57,931 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:57,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:57,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:57,932 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) [2022-03-03 18:23:58,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:58,584 INFO L93 Difference]: Finished difference Result 2220 states and 4146 transitions. [2022-03-03 18:23:58,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:23:58,584 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 [2022-03-03 18:23:58,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:58,605 INFO L225 Difference]: With dead ends: 2220 [2022-03-03 18:23:58,605 INFO L226 Difference]: Without dead ends: 2206 [2022-03-03 18:23:58,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-03-03 18:23:58,605 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 227 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:58,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 728 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:23:58,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2022-03-03 18:23:58,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 1639. [2022-03-03 18:23:58,619 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) [2022-03-03 18:23:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 3061 transitions. [2022-03-03 18:23:58,621 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 3061 transitions. Word has length 114 [2022-03-03 18:23:58,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:58,621 INFO L470 AbstractCegarLoop]: Abstraction has 1639 states and 3061 transitions. [2022-03-03 18:23:58,621 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) [2022-03-03 18:23:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 3061 transitions. [2022-03-03 18:23:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:58,622 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:58,622 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] [2022-03-03 18:23:58,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-03-03 18:23:58,622 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:58,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:58,623 INFO L85 PathProgramCache]: Analyzing trace with hash 75959459, now seen corresponding path program 7 times [2022-03-03 18:23:58,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:58,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343565781] [2022-03-03 18:23:58,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:58,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:23:59,265 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:23:59,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:23:59,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343565781] [2022-03-03 18:23:59,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343565781] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:23:59,266 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:23:59,266 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:23:59,266 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765902127] [2022-03-03 18:23:59,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:23:59,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:23:59,266 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:23:59,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:23:59,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:23:59,267 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) [2022-03-03 18:23:59,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:23:59,767 INFO L93 Difference]: Finished difference Result 1928 states and 3594 transitions. [2022-03-03 18:23:59,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:23:59,767 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 [2022-03-03 18:23:59,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:23:59,770 INFO L225 Difference]: With dead ends: 1928 [2022-03-03 18:23:59,770 INFO L226 Difference]: Without dead ends: 1907 [2022-03-03 18:23:59,770 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 [2022-03-03 18:23:59,770 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:23:59,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 755 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:23:59,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2022-03-03 18:23:59,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1623. [2022-03-03 18:23:59,782 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) [2022-03-03 18:23:59,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 3029 transitions. [2022-03-03 18:23:59,784 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 3029 transitions. Word has length 114 [2022-03-03 18:23:59,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:23:59,784 INFO L470 AbstractCegarLoop]: Abstraction has 1623 states and 3029 transitions. [2022-03-03 18:23:59,784 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) [2022-03-03 18:23:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 3029 transitions. [2022-03-03 18:23:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:23:59,785 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:23:59,785 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, 1] [2022-03-03 18:23:59,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-03-03 18:23:59,786 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:23:59,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:23:59,786 INFO L85 PathProgramCache]: Analyzing trace with hash 2081919525, now seen corresponding path program 8 times [2022-03-03 18:23:59,786 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:23:59,786 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98877329] [2022-03-03 18:23:59,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:23:59,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:23:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:00,371 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:00,371 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98877329] [2022-03-03 18:24:00,371 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98877329] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:00,371 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:00,371 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:00,371 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606466449] [2022-03-03 18:24:00,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:00,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:00,372 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:00,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:00,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:00,372 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) [2022-03-03 18:24:01,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:01,237 INFO L93 Difference]: Finished difference Result 2125 states and 3953 transitions. [2022-03-03 18:24:01,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:24:01,237 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 [2022-03-03 18:24:01,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:01,240 INFO L225 Difference]: With dead ends: 2125 [2022-03-03 18:24:01,240 INFO L226 Difference]: Without dead ends: 2111 [2022-03-03 18:24:01,240 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 [2022-03-03 18:24:01,240 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 [2022-03-03 18:24:01,240 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] [2022-03-03 18:24:01,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2022-03-03 18:24:01,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 1621. [2022-03-03 18:24:01,253 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) [2022-03-03 18:24:01,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 1621 states and 3025 transitions. [2022-03-03 18:24:01,255 INFO L78 Accepts]: Start accepts. Automaton has 1621 states and 3025 transitions. Word has length 114 [2022-03-03 18:24:01,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:01,255 INFO L470 AbstractCegarLoop]: Abstraction has 1621 states and 3025 transitions. [2022-03-03 18:24:01,255 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) [2022-03-03 18:24:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 3025 transitions. [2022-03-03 18:24:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:01,256 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:01,256 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] [2022-03-03 18:24:01,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-03-03 18:24:01,257 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:01,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:01,257 INFO L85 PathProgramCache]: Analyzing trace with hash 277819777, now seen corresponding path program 9 times [2022-03-03 18:24:01,257 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:01,257 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662847483] [2022-03-03 18:24:01,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:01,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:01,743 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:01,743 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:01,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662847483] [2022-03-03 18:24:01,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662847483] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:01,744 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:01,744 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:01,744 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975207951] [2022-03-03 18:24:01,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:01,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:01,744 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:01,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:01,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:01,744 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) [2022-03-03 18:24:02,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:02,319 INFO L93 Difference]: Finished difference Result 1809 states and 3367 transitions. [2022-03-03 18:24:02,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:02,319 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 [2022-03-03 18:24:02,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:02,321 INFO L225 Difference]: With dead ends: 1809 [2022-03-03 18:24:02,321 INFO L226 Difference]: Without dead ends: 1795 [2022-03-03 18:24:02,321 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 [2022-03-03 18:24:02,321 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:02,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 1014 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:24:02,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2022-03-03 18:24:02,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1589. [2022-03-03 18:24:02,332 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) [2022-03-03 18:24:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2960 transitions. [2022-03-03 18:24:02,334 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2960 transitions. Word has length 114 [2022-03-03 18:24:02,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:02,334 INFO L470 AbstractCegarLoop]: Abstraction has 1589 states and 2960 transitions. [2022-03-03 18:24:02,334 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) [2022-03-03 18:24:02,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2960 transitions. [2022-03-03 18:24:02,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:02,335 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:02,335 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:02,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-03-03 18:24:02,335 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:02,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:02,335 INFO L85 PathProgramCache]: Analyzing trace with hash -633836338, now seen corresponding path program 10 times [2022-03-03 18:24:02,336 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:02,336 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559660199] [2022-03-03 18:24:02,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:02,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:02,543 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:02,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:02,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559660199] [2022-03-03 18:24:02,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559660199] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:02,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:02,543 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:02,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388836924] [2022-03-03 18:24:02,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:02,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:02,544 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:02,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:02,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:02,544 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) [2022-03-03 18:24:02,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:02,820 INFO L93 Difference]: Finished difference Result 1686 states and 3126 transitions. [2022-03-03 18:24:02,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:02,823 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 [2022-03-03 18:24:02,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:02,825 INFO L225 Difference]: With dead ends: 1686 [2022-03-03 18:24:02,825 INFO L226 Difference]: Without dead ends: 1686 [2022-03-03 18:24:02,825 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 [2022-03-03 18:24:02,825 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 [2022-03-03 18:24:02,825 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] [2022-03-03 18:24:02,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-03-03 18:24:02,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1599. [2022-03-03 18:24:02,837 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) [2022-03-03 18:24:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 2980 transitions. [2022-03-03 18:24:02,839 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 2980 transitions. Word has length 114 [2022-03-03 18:24:02,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:02,839 INFO L470 AbstractCegarLoop]: Abstraction has 1599 states and 2980 transitions. [2022-03-03 18:24:02,839 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) [2022-03-03 18:24:02,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2980 transitions. [2022-03-03 18:24:02,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:02,840 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:02,841 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:02,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-03-03 18:24:02,841 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:02,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:02,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1038235218, now seen corresponding path program 11 times [2022-03-03 18:24:02,841 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:02,841 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207918265] [2022-03-03 18:24:02,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:02,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:03,083 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:03,083 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:03,083 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207918265] [2022-03-03 18:24:03,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207918265] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:03,083 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:03,084 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:03,084 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329643861] [2022-03-03 18:24:03,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:03,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:03,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:03,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:03,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:03,085 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) [2022-03-03 18:24:03,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:03,393 INFO L93 Difference]: Finished difference Result 1681 states and 3117 transitions. [2022-03-03 18:24:03,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:03,393 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 [2022-03-03 18:24:03,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:03,395 INFO L225 Difference]: With dead ends: 1681 [2022-03-03 18:24:03,395 INFO L226 Difference]: Without dead ends: 1681 [2022-03-03 18:24:03,395 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 [2022-03-03 18:24:03,395 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:03,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 676 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:24:03,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2022-03-03 18:24:03,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1581. [2022-03-03 18:24:03,406 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) [2022-03-03 18:24:03,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2944 transitions. [2022-03-03 18:24:03,408 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2944 transitions. Word has length 114 [2022-03-03 18:24:03,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:03,408 INFO L470 AbstractCegarLoop]: Abstraction has 1581 states and 2944 transitions. [2022-03-03 18:24:03,408 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) [2022-03-03 18:24:03,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2944 transitions. [2022-03-03 18:24:03,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:03,409 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:03,409 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:03,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-03-03 18:24:03,410 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:03,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:03,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1891599700, now seen corresponding path program 12 times [2022-03-03 18:24:03,410 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:03,410 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764394656] [2022-03-03 18:24:03,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:03,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:03,803 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:03,803 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764394656] [2022-03-03 18:24:03,803 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764394656] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:03,803 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:03,803 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:03,803 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946818371] [2022-03-03 18:24:03,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:03,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:03,803 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:03,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:03,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:03,804 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) [2022-03-03 18:24:04,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:04,179 INFO L93 Difference]: Finished difference Result 1723 states and 3186 transitions. [2022-03-03 18:24:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:24:04,179 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 [2022-03-03 18:24:04,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:04,181 INFO L225 Difference]: With dead ends: 1723 [2022-03-03 18:24:04,181 INFO L226 Difference]: Without dead ends: 1723 [2022-03-03 18:24:04,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:24:04,181 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 107 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:04,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 639 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:24:04,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-03-03 18:24:04,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1582. [2022-03-03 18:24:04,192 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) [2022-03-03 18:24:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2946 transitions. [2022-03-03 18:24:04,193 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2946 transitions. Word has length 114 [2022-03-03 18:24:04,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:04,194 INFO L470 AbstractCegarLoop]: Abstraction has 1582 states and 2946 transitions. [2022-03-03 18:24:04,194 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) [2022-03-03 18:24:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2946 transitions. [2022-03-03 18:24:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:04,195 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:04,195 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, 1] [2022-03-03 18:24:04,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-03-03 18:24:04,195 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:04,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:04,195 INFO L85 PathProgramCache]: Analyzing trace with hash -757357396, now seen corresponding path program 13 times [2022-03-03 18:24:04,195 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:04,195 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488683899] [2022-03-03 18:24:04,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:04,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:04,571 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:04,571 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488683899] [2022-03-03 18:24:04,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488683899] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:04,571 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:04,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:04,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132259166] [2022-03-03 18:24:04,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:04,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:04,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:04,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:04,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:04,572 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) [2022-03-03 18:24:05,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:05,055 INFO L93 Difference]: Finished difference Result 1707 states and 3154 transitions. [2022-03-03 18:24:05,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:24:05,055 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 [2022-03-03 18:24:05,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:05,057 INFO L225 Difference]: With dead ends: 1707 [2022-03-03 18:24:05,057 INFO L226 Difference]: Without dead ends: 1707 [2022-03-03 18:24:05,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-03-03 18:24:05,058 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 100 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:24:05,058 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] [2022-03-03 18:24:05,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-03-03 18:24:05,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1583. [2022-03-03 18:24:05,069 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) [2022-03-03 18:24:05,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1583 states and 2948 transitions. [2022-03-03 18:24:05,070 INFO L78 Accepts]: Start accepts. Automaton has 1583 states and 2948 transitions. Word has length 114 [2022-03-03 18:24:05,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:05,070 INFO L470 AbstractCegarLoop]: Abstraction has 1583 states and 2948 transitions. [2022-03-03 18:24:05,070 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) [2022-03-03 18:24:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2948 transitions. [2022-03-03 18:24:05,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:05,071 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:05,072 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:05,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-03-03 18:24:05,072 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:05,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:05,072 INFO L85 PathProgramCache]: Analyzing trace with hash 869338218, now seen corresponding path program 14 times [2022-03-03 18:24:05,072 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:05,072 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580172025] [2022-03-03 18:24:05,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:05,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:05,520 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:05,520 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:05,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580172025] [2022-03-03 18:24:05,521 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580172025] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:05,521 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:05,521 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:05,521 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291613239] [2022-03-03 18:24:05,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:05,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:05,521 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:05,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:05,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:05,521 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) [2022-03-03 18:24:06,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:06,044 INFO L93 Difference]: Finished difference Result 1706 states and 3152 transitions. [2022-03-03 18:24:06,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:24:06,044 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 [2022-03-03 18:24:06,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:06,046 INFO L225 Difference]: With dead ends: 1706 [2022-03-03 18:24:06,046 INFO L226 Difference]: Without dead ends: 1706 [2022-03-03 18:24:06,046 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 [2022-03-03 18:24:06,046 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 [2022-03-03 18:24:06,047 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] [2022-03-03 18:24:06,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2022-03-03 18:24:06,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1580. [2022-03-03 18:24:06,058 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) [2022-03-03 18:24:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2942 transitions. [2022-03-03 18:24:06,060 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2942 transitions. Word has length 114 [2022-03-03 18:24:06,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:06,060 INFO L470 AbstractCegarLoop]: Abstraction has 1580 states and 2942 transitions. [2022-03-03 18:24:06,060 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) [2022-03-03 18:24:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2942 transitions. [2022-03-03 18:24:06,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:06,061 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:06,061 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:06,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-03-03 18:24:06,062 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:06,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:06,062 INFO L85 PathProgramCache]: Analyzing trace with hash -762537084, now seen corresponding path program 15 times [2022-03-03 18:24:06,062 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:06,062 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602839520] [2022-03-03 18:24:06,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:06,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:06,411 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:06,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602839520] [2022-03-03 18:24:06,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602839520] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:06,412 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:06,412 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:06,412 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789068560] [2022-03-03 18:24:06,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:06,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:06,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:06,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:06,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:06,412 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) [2022-03-03 18:24:06,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:06,873 INFO L93 Difference]: Finished difference Result 1662 states and 3081 transitions. [2022-03-03 18:24:06,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:06,873 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 [2022-03-03 18:24:06,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:06,875 INFO L225 Difference]: With dead ends: 1662 [2022-03-03 18:24:06,875 INFO L226 Difference]: Without dead ends: 1662 [2022-03-03 18:24:06,875 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 [2022-03-03 18:24:06,876 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 [2022-03-03 18:24:06,876 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] [2022-03-03 18:24:06,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2022-03-03 18:24:06,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1572. [2022-03-03 18:24:06,887 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) [2022-03-03 18:24:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2926 transitions. [2022-03-03 18:24:06,888 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2926 transitions. Word has length 114 [2022-03-03 18:24:06,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:06,889 INFO L470 AbstractCegarLoop]: Abstraction has 1572 states and 2926 transitions. [2022-03-03 18:24:06,889 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) [2022-03-03 18:24:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2926 transitions. [2022-03-03 18:24:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:06,890 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:06,890 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:06,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-03-03 18:24:06,890 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:06,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:06,890 INFO L85 PathProgramCache]: Analyzing trace with hash 371705220, now seen corresponding path program 16 times [2022-03-03 18:24:06,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:06,891 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565291386] [2022-03-03 18:24:06,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:06,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:07,355 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:07,356 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:07,356 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565291386] [2022-03-03 18:24:07,356 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565291386] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:07,356 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:07,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:07,356 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987892761] [2022-03-03 18:24:07,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:07,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:07,356 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:07,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:07,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:07,357 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) [2022-03-03 18:24:08,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:08,002 INFO L93 Difference]: Finished difference Result 1689 states and 3118 transitions. [2022-03-03 18:24:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:24:08,003 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 [2022-03-03 18:24:08,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:08,004 INFO L225 Difference]: With dead ends: 1689 [2022-03-03 18:24:08,004 INFO L226 Difference]: Without dead ends: 1689 [2022-03-03 18:24:08,005 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 [2022-03-03 18:24:08,005 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 [2022-03-03 18:24:08,005 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] [2022-03-03 18:24:08,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-03-03 18:24:08,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1573. [2022-03-03 18:24:08,016 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) [2022-03-03 18:24:08,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2928 transitions. [2022-03-03 18:24:08,017 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2928 transitions. Word has length 114 [2022-03-03 18:24:08,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:08,017 INFO L470 AbstractCegarLoop]: Abstraction has 1573 states and 2928 transitions. [2022-03-03 18:24:08,017 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) [2022-03-03 18:24:08,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2928 transitions. [2022-03-03 18:24:08,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:08,019 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:08,019 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:08,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-03-03 18:24:08,019 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:08,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:08,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1998400834, now seen corresponding path program 17 times [2022-03-03 18:24:08,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:08,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802297595] [2022-03-03 18:24:08,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:08,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:08,459 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:08,459 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:08,459 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802297595] [2022-03-03 18:24:08,459 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802297595] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:08,459 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:08,459 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:08,459 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542899828] [2022-03-03 18:24:08,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:08,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:08,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:08,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:08,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:08,460 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) [2022-03-03 18:24:08,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:08,937 INFO L93 Difference]: Finished difference Result 1688 states and 3116 transitions. [2022-03-03 18:24:08,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:24:08,938 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 [2022-03-03 18:24:08,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:08,939 INFO L225 Difference]: With dead ends: 1688 [2022-03-03 18:24:08,939 INFO L226 Difference]: Without dead ends: 1688 [2022-03-03 18:24:08,939 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 [2022-03-03 18:24:08,940 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:08,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 525 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:24:08,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2022-03-03 18:24:08,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1571. [2022-03-03 18:24:08,960 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) [2022-03-03 18:24:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2924 transitions. [2022-03-03 18:24:08,961 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2924 transitions. Word has length 114 [2022-03-03 18:24:08,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:08,962 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2924 transitions. [2022-03-03 18:24:08,962 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) [2022-03-03 18:24:08,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2924 transitions. [2022-03-03 18:24:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:08,963 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:08,970 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:08,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-03-03 18:24:08,970 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:08,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:08,971 INFO L85 PathProgramCache]: Analyzing trace with hash -486804394, now seen corresponding path program 18 times [2022-03-03 18:24:08,971 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:08,971 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780407412] [2022-03-03 18:24:08,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:08,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:09,314 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:09,315 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780407412] [2022-03-03 18:24:09,315 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780407412] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:09,315 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:09,315 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:09,315 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819775193] [2022-03-03 18:24:09,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:09,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:09,315 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:09,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:09,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:09,315 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) [2022-03-03 18:24:09,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:09,808 INFO L93 Difference]: Finished difference Result 1636 states and 3037 transitions. [2022-03-03 18:24:09,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 18:24:09,808 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 [2022-03-03 18:24:09,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:09,810 INFO L225 Difference]: With dead ends: 1636 [2022-03-03 18:24:09,810 INFO L226 Difference]: Without dead ends: 1636 [2022-03-03 18:24:09,810 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 [2022-03-03 18:24:09,810 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 137 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-03-03 18:24:09,810 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] [2022-03-03 18:24:09,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2022-03-03 18:24:09,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1571. [2022-03-03 18:24:09,822 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) [2022-03-03 18:24:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2924 transitions. [2022-03-03 18:24:09,823 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2924 transitions. Word has length 114 [2022-03-03 18:24:09,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:09,823 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2924 transitions. [2022-03-03 18:24:09,824 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) [2022-03-03 18:24:09,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2924 transitions. [2022-03-03 18:24:09,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:09,825 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:09,825 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:09,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-03-03 18:24:09,825 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:09,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:09,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1589942, now seen corresponding path program 19 times [2022-03-03 18:24:09,826 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:09,826 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869598101] [2022-03-03 18:24:09,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:09,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:10,114 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:10,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869598101] [2022-03-03 18:24:10,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869598101] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:10,114 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:10,114 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:10,114 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602654428] [2022-03-03 18:24:10,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:10,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:10,115 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:10,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:10,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:10,116 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) [2022-03-03 18:24:10,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:10,523 INFO L93 Difference]: Finished difference Result 1654 states and 3056 transitions. [2022-03-03 18:24:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:24:10,523 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 [2022-03-03 18:24:10,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:10,525 INFO L225 Difference]: With dead ends: 1654 [2022-03-03 18:24:10,525 INFO L226 Difference]: Without dead ends: 1654 [2022-03-03 18:24:10,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:24:10,526 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 159 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:24:10,526 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] [2022-03-03 18:24:10,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2022-03-03 18:24:10,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1571. [2022-03-03 18:24:10,536 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) [2022-03-03 18:24:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2924 transitions. [2022-03-03 18:24:10,538 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2924 transitions. Word has length 114 [2022-03-03 18:24:10,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:10,538 INFO L470 AbstractCegarLoop]: Abstraction has 1571 states and 2924 transitions. [2022-03-03 18:24:10,538 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) [2022-03-03 18:24:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2924 transitions. [2022-03-03 18:24:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:10,539 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:10,539 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] [2022-03-03 18:24:10,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-03-03 18:24:10,540 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:10,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:10,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1628285556, now seen corresponding path program 20 times [2022-03-03 18:24:10,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:10,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587563511] [2022-03-03 18:24:10,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:10,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:10,835 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:10,835 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:10,835 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587563511] [2022-03-03 18:24:10,835 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587563511] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:10,836 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:10,836 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:10,836 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022366637] [2022-03-03 18:24:10,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:10,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:10,836 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:10,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:10,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:10,836 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) [2022-03-03 18:24:11,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:11,198 INFO L93 Difference]: Finished difference Result 1644 states and 3045 transitions. [2022-03-03 18:24:11,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:11,198 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 [2022-03-03 18:24:11,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:11,200 INFO L225 Difference]: With dead ends: 1644 [2022-03-03 18:24:11,200 INFO L226 Difference]: Without dead ends: 1644 [2022-03-03 18:24:11,200 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 [2022-03-03 18:24:11,200 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 151 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:11,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 774 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:24:11,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2022-03-03 18:24:11,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1562. [2022-03-03 18:24:11,211 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) [2022-03-03 18:24:11,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2906 transitions. [2022-03-03 18:24:11,212 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2906 transitions. Word has length 114 [2022-03-03 18:24:11,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:11,212 INFO L470 AbstractCegarLoop]: Abstraction has 1562 states and 2906 transitions. [2022-03-03 18:24:11,213 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) [2022-03-03 18:24:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2906 transitions. [2022-03-03 18:24:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:11,214 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:11,214 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:11,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-03-03 18:24:11,214 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:11,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:11,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1291602263, now seen corresponding path program 10 times [2022-03-03 18:24:11,214 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:11,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871176021] [2022-03-03 18:24:11,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:11,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:11,596 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:11,596 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871176021] [2022-03-03 18:24:11,596 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871176021] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:11,596 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:11,597 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:11,597 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033291733] [2022-03-03 18:24:11,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:11,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:11,597 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:11,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:11,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:11,597 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) [2022-03-03 18:24:12,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:12,034 INFO L93 Difference]: Finished difference Result 1909 states and 3522 transitions. [2022-03-03 18:24:12,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:24:12,035 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 [2022-03-03 18:24:12,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:12,037 INFO L225 Difference]: With dead ends: 1909 [2022-03-03 18:24:12,037 INFO L226 Difference]: Without dead ends: 1909 [2022-03-03 18:24:12,037 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 [2022-03-03 18:24:12,037 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 [2022-03-03 18:24:12,037 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] [2022-03-03 18:24:12,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2022-03-03 18:24:12,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1588. [2022-03-03 18:24:12,049 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) [2022-03-03 18:24:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2958 transitions. [2022-03-03 18:24:12,081 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2958 transitions. Word has length 114 [2022-03-03 18:24:12,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:12,082 INFO L470 AbstractCegarLoop]: Abstraction has 1588 states and 2958 transitions. [2022-03-03 18:24:12,082 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) [2022-03-03 18:24:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2958 transitions. [2022-03-03 18:24:12,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:12,083 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:12,083 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:12,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-03-03 18:24:12,083 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:12,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:12,084 INFO L85 PathProgramCache]: Analyzing trace with hash 198793860, now seen corresponding path program 3 times [2022-03-03 18:24:12,084 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:12,084 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937820376] [2022-03-03 18:24:12,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:12,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:12,303 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:12,303 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:12,304 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937820376] [2022-03-03 18:24:12,304 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937820376] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:12,304 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:12,304 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:12,304 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947059883] [2022-03-03 18:24:12,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:12,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:12,304 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:12,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:12,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:12,304 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) [2022-03-03 18:24:12,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:12,570 INFO L93 Difference]: Finished difference Result 1908 states and 3518 transitions. [2022-03-03 18:24:12,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:12,570 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 [2022-03-03 18:24:12,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:12,572 INFO L225 Difference]: With dead ends: 1908 [2022-03-03 18:24:12,572 INFO L226 Difference]: Without dead ends: 1908 [2022-03-03 18:24:12,572 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 [2022-03-03 18:24:12,572 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 195 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:12,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 393 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:24:12,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-03-03 18:24:12,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1585. [2022-03-03 18:24:12,584 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) [2022-03-03 18:24:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2952 transitions. [2022-03-03 18:24:12,586 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2952 transitions. Word has length 114 [2022-03-03 18:24:12,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:12,586 INFO L470 AbstractCegarLoop]: Abstraction has 1585 states and 2952 transitions. [2022-03-03 18:24:12,586 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) [2022-03-03 18:24:12,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2952 transitions. [2022-03-03 18:24:12,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:12,587 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:12,587 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:12,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-03-03 18:24:12,587 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:12,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:12,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1095055970, now seen corresponding path program 4 times [2022-03-03 18:24:12,588 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:12,588 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137647446] [2022-03-03 18:24:12,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:12,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:12,926 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:12,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137647446] [2022-03-03 18:24:12,927 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137647446] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:12,927 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:12,927 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:12,927 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092899811] [2022-03-03 18:24:12,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:12,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:12,927 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:12,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:12,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:12,927 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) [2022-03-03 18:24:13,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:13,365 INFO L93 Difference]: Finished difference Result 1894 states and 3490 transitions. [2022-03-03 18:24:13,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:13,366 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 [2022-03-03 18:24:13,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:13,368 INFO L225 Difference]: With dead ends: 1894 [2022-03-03 18:24:13,368 INFO L226 Difference]: Without dead ends: 1894 [2022-03-03 18:24:13,368 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 [2022-03-03 18:24:13,368 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 [2022-03-03 18:24:13,368 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] [2022-03-03 18:24:13,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2022-03-03 18:24:13,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1561. [2022-03-03 18:24:13,380 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) [2022-03-03 18:24:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 2907 transitions. [2022-03-03 18:24:13,382 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 2907 transitions. Word has length 114 [2022-03-03 18:24:13,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:13,382 INFO L470 AbstractCegarLoop]: Abstraction has 1561 states and 2907 transitions. [2022-03-03 18:24:13,382 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) [2022-03-03 18:24:13,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 2907 transitions. [2022-03-03 18:24:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:13,383 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:13,383 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:13,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-03-03 18:24:13,383 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:13,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:13,383 INFO L85 PathProgramCache]: Analyzing trace with hash -792364937, now seen corresponding path program 2 times [2022-03-03 18:24:13,383 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:13,384 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283274813] [2022-03-03 18:24:13,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:13,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:14,051 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:14,051 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283274813] [2022-03-03 18:24:14,051 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283274813] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:14,051 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:14,051 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:24:14,051 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710179114] [2022-03-03 18:24:14,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:14,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:24:14,051 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:14,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:24:14,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:24:14,052 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) [2022-03-03 18:24:14,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:14,541 INFO L93 Difference]: Finished difference Result 2012 states and 3715 transitions. [2022-03-03 18:24:14,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:24:14,541 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 [2022-03-03 18:24:14,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:14,543 INFO L225 Difference]: With dead ends: 2012 [2022-03-03 18:24:14,543 INFO L226 Difference]: Without dead ends: 1968 [2022-03-03 18:24:14,543 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 [2022-03-03 18:24:14,543 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 295 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:14,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 607 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:24:14,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2022-03-03 18:24:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1565. [2022-03-03 18:24:14,555 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) [2022-03-03 18:24:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2914 transitions. [2022-03-03 18:24:14,557 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2914 transitions. Word has length 114 [2022-03-03 18:24:14,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:14,557 INFO L470 AbstractCegarLoop]: Abstraction has 1565 states and 2914 transitions. [2022-03-03 18:24:14,557 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) [2022-03-03 18:24:14,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2914 transitions. [2022-03-03 18:24:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:14,558 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:14,558 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:14,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-03-03 18:24:14,559 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:14,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:14,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1621402836, now seen corresponding path program 21 times [2022-03-03 18:24:14,559 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:14,559 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205132729] [2022-03-03 18:24:14,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:14,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:14,806 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:14,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:14,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205132729] [2022-03-03 18:24:14,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205132729] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:14,807 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:14,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:14,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340141458] [2022-03-03 18:24:14,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:14,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:14,807 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:14,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:14,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:14,807 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) [2022-03-03 18:24:15,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:15,059 INFO L93 Difference]: Finished difference Result 1941 states and 3573 transitions. [2022-03-03 18:24:15,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:15,060 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 [2022-03-03 18:24:15,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:15,062 INFO L225 Difference]: With dead ends: 1941 [2022-03-03 18:24:15,062 INFO L226 Difference]: Without dead ends: 1941 [2022-03-03 18:24:15,062 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 [2022-03-03 18:24:15,062 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 211 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:15,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 424 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:24:15,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2022-03-03 18:24:15,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1547. [2022-03-03 18:24:15,074 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) [2022-03-03 18:24:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2878 transitions. [2022-03-03 18:24:15,076 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2878 transitions. Word has length 114 [2022-03-03 18:24:15,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:15,076 INFO L470 AbstractCegarLoop]: Abstraction has 1547 states and 2878 transitions. [2022-03-03 18:24:15,076 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) [2022-03-03 18:24:15,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2878 transitions. [2022-03-03 18:24:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:15,077 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:15,077 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:15,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-03-03 18:24:15,077 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:15,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:15,077 INFO L85 PathProgramCache]: Analyzing trace with hash -165592278, now seen corresponding path program 22 times [2022-03-03 18:24:15,077 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:15,078 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848230044] [2022-03-03 18:24:15,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:15,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:15,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:15,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848230044] [2022-03-03 18:24:15,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848230044] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:15,339 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:15,339 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:15,339 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920299] [2022-03-03 18:24:15,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:15,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:15,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:15,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:15,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:15,340 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) [2022-03-03 18:24:15,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:15,681 INFO L93 Difference]: Finished difference Result 1925 states and 3542 transitions. [2022-03-03 18:24:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:15,681 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 [2022-03-03 18:24:15,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:15,683 INFO L225 Difference]: With dead ends: 1925 [2022-03-03 18:24:15,683 INFO L226 Difference]: Without dead ends: 1925 [2022-03-03 18:24:15,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:24:15,683 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 217 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:15,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 561 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:24:15,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2022-03-03 18:24:15,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1330. [2022-03-03 18:24:15,694 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) [2022-03-03 18:24:15,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 2450 transitions. [2022-03-03 18:24:15,695 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 2450 transitions. Word has length 114 [2022-03-03 18:24:15,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:15,695 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 2450 transitions. [2022-03-03 18:24:15,695 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) [2022-03-03 18:24:15,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 2450 transitions. [2022-03-03 18:24:15,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:15,696 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:15,696 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] [2022-03-03 18:24:15,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-03-03 18:24:15,696 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:15,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:15,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1262079851, now seen corresponding path program 3 times [2022-03-03 18:24:15,697 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:15,697 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478806743] [2022-03-03 18:24:15,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:15,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:16,375 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:16,375 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:16,375 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478806743] [2022-03-03 18:24:16,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478806743] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:16,375 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:16,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:24:16,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524784403] [2022-03-03 18:24:16,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:16,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:24:16,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:16,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:24:16,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:24:16,376 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) [2022-03-03 18:24:16,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:16,798 INFO L93 Difference]: Finished difference Result 1547 states and 2854 transitions. [2022-03-03 18:24:16,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:16,798 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 [2022-03-03 18:24:16,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:16,800 INFO L225 Difference]: With dead ends: 1547 [2022-03-03 18:24:16,800 INFO L226 Difference]: Without dead ends: 1503 [2022-03-03 18:24:16,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:24:16,800 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 213 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:16,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 590 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:24:16,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2022-03-03 18:24:16,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1304. [2022-03-03 18:24:16,809 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) [2022-03-03 18:24:16,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 2399 transitions. [2022-03-03 18:24:16,811 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 2399 transitions. Word has length 114 [2022-03-03 18:24:16,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:16,811 INFO L470 AbstractCegarLoop]: Abstraction has 1304 states and 2399 transitions. [2022-03-03 18:24:16,811 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) [2022-03-03 18:24:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 2399 transitions. [2022-03-03 18:24:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:16,812 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:16,812 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, 1] [2022-03-03 18:24:16,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-03-03 18:24:16,812 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:16,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:16,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1735800633, now seen corresponding path program 4 times [2022-03-03 18:24:16,812 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:16,812 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291786785] [2022-03-03 18:24:16,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:16,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:17,585 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:17,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291786785] [2022-03-03 18:24:17,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291786785] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:17,585 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:17,585 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:24:17,585 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295529186] [2022-03-03 18:24:17,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:17,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:24:17,585 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:17,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:24:17,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:24:17,586 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) [2022-03-03 18:24:18,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:18,041 INFO L93 Difference]: Finished difference Result 1469 states and 2700 transitions. [2022-03-03 18:24:18,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:18,041 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 [2022-03-03 18:24:18,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:18,043 INFO L225 Difference]: With dead ends: 1469 [2022-03-03 18:24:18,043 INFO L226 Difference]: Without dead ends: 1436 [2022-03-03 18:24:18,043 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 [2022-03-03 18:24:18,043 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 187 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:18,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 617 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:24:18,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2022-03-03 18:24:18,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1252. [2022-03-03 18:24:18,067 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) [2022-03-03 18:24:18,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-03-03 18:24:18,068 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-03-03 18:24:18,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:18,068 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-03-03 18:24:18,069 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) [2022-03-03 18:24:18,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-03-03 18:24:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:18,069 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:18,070 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:18,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-03-03 18:24:18,070 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:18,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:18,070 INFO L85 PathProgramCache]: Analyzing trace with hash 100492234, now seen corresponding path program 5 times [2022-03-03 18:24:18,070 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:18,070 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894318126] [2022-03-03 18:24:18,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:18,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:18,390 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:18,390 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894318126] [2022-03-03 18:24:18,390 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894318126] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:18,390 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:18,390 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:18,391 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559415711] [2022-03-03 18:24:18,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:18,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:18,391 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:18,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:18,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:18,391 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) [2022-03-03 18:24:18,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:18,816 INFO L93 Difference]: Finished difference Result 1281 states and 2343 transitions. [2022-03-03 18:24:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:18,817 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 [2022-03-03 18:24:18,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:18,818 INFO L225 Difference]: With dead ends: 1281 [2022-03-03 18:24:18,818 INFO L226 Difference]: Without dead ends: 1281 [2022-03-03 18:24:18,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:24:18,818 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 171 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:18,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 352 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:24:18,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2022-03-03 18:24:18,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1252. [2022-03-03 18:24:18,826 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) [2022-03-03 18:24:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-03-03 18:24:18,827 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-03-03 18:24:18,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:18,827 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-03-03 18:24:18,827 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) [2022-03-03 18:24:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-03-03 18:24:18,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:18,828 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:18,828 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:18,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-03-03 18:24:18,828 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:18,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:18,829 INFO L85 PathProgramCache]: Analyzing trace with hash -751246544, now seen corresponding path program 6 times [2022-03-03 18:24:18,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:18,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919995396] [2022-03-03 18:24:18,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:18,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:19,114 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:19,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919995396] [2022-03-03 18:24:19,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919995396] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:19,114 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:19,114 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:19,114 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662877311] [2022-03-03 18:24:19,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:19,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:19,114 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:19,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:19,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:19,114 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) [2022-03-03 18:24:19,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:19,455 INFO L93 Difference]: Finished difference Result 1299 states and 2374 transitions. [2022-03-03 18:24:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:19,455 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 [2022-03-03 18:24:19,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:19,457 INFO L225 Difference]: With dead ends: 1299 [2022-03-03 18:24:19,457 INFO L226 Difference]: Without dead ends: 1299 [2022-03-03 18:24:19,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2022-03-03 18:24:19,457 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:19,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 334 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:24:19,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2022-03-03 18:24:19,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1252. [2022-03-03 18:24:19,465 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) [2022-03-03 18:24:19,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-03-03 18:24:19,466 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-03-03 18:24:19,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:19,466 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-03-03 18:24:19,467 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) [2022-03-03 18:24:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-03-03 18:24:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:19,467 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:19,468 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:19,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-03-03 18:24:19,468 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:19,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:19,468 INFO L85 PathProgramCache]: Analyzing trace with hash -530038232, now seen corresponding path program 7 times [2022-03-03 18:24:19,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:19,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398018614] [2022-03-03 18:24:19,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:19,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:19,816 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:19,816 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:19,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398018614] [2022-03-03 18:24:19,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398018614] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:19,817 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:19,817 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:19,817 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294296340] [2022-03-03 18:24:19,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:19,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:19,817 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:19,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:19,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:19,817 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) [2022-03-03 18:24:20,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:20,192 INFO L93 Difference]: Finished difference Result 1313 states and 2402 transitions. [2022-03-03 18:24:20,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:20,192 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 [2022-03-03 18:24:20,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:20,194 INFO L225 Difference]: With dead ends: 1313 [2022-03-03 18:24:20,194 INFO L226 Difference]: Without dead ends: 1313 [2022-03-03 18:24:20,194 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 [2022-03-03 18:24:20,194 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:20,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 384 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:24:20,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2022-03-03 18:24:20,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1252. [2022-03-03 18:24:20,202 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) [2022-03-03 18:24:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 2296 transitions. [2022-03-03 18:24:20,203 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 2296 transitions. Word has length 114 [2022-03-03 18:24:20,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:20,203 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 2296 transitions. [2022-03-03 18:24:20,203 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) [2022-03-03 18:24:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2296 transitions. [2022-03-03 18:24:20,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:20,204 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:20,204 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:20,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-03-03 18:24:20,204 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:20,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:20,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1517812654, now seen corresponding path program 8 times [2022-03-03 18:24:20,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:20,205 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472236884] [2022-03-03 18:24:20,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:20,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:20,547 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:20,547 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472236884] [2022-03-03 18:24:20,547 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472236884] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:20,547 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:20,547 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:20,547 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272017475] [2022-03-03 18:24:20,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:20,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:20,547 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:20,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:20,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:20,548 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) [2022-03-03 18:24:20,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:20,915 INFO L93 Difference]: Finished difference Result 1299 states and 2379 transitions. [2022-03-03 18:24:20,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:20,921 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 [2022-03-03 18:24:20,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:20,922 INFO L225 Difference]: With dead ends: 1299 [2022-03-03 18:24:20,922 INFO L226 Difference]: Without dead ends: 1299 [2022-03-03 18:24:20,922 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 [2022-03-03 18:24:20,923 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 [2022-03-03 18:24:20,923 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] [2022-03-03 18:24:20,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2022-03-03 18:24:20,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1226. [2022-03-03 18:24:20,931 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) [2022-03-03 18:24:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 2249 transitions. [2022-03-03 18:24:20,932 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 2249 transitions. Word has length 114 [2022-03-03 18:24:20,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:20,932 INFO L470 AbstractCegarLoop]: Abstraction has 1226 states and 2249 transitions. [2022-03-03 18:24:20,932 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) [2022-03-03 18:24:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 2249 transitions. [2022-03-03 18:24:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:20,933 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:20,933 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:20,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-03-03 18:24:20,933 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:20,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:20,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1901795673, now seen corresponding path program 11 times [2022-03-03 18:24:20,934 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:20,934 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251069492] [2022-03-03 18:24:20,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:20,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:21,474 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:21,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251069492] [2022-03-03 18:24:21,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251069492] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:21,474 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:21,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:21,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883282732] [2022-03-03 18:24:21,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:21,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:21,474 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:21,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:21,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:21,475 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) [2022-03-03 18:24:21,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:21,880 INFO L93 Difference]: Finished difference Result 1539 states and 2829 transitions. [2022-03-03 18:24:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:24:21,880 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 [2022-03-03 18:24:21,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:21,881 INFO L225 Difference]: With dead ends: 1539 [2022-03-03 18:24:21,881 INFO L226 Difference]: Without dead ends: 1511 [2022-03-03 18:24:21,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2022-03-03 18:24:21,882 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:21,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 524 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:24:21,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2022-03-03 18:24:21,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1182. [2022-03-03 18:24:21,891 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) [2022-03-03 18:24:21,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 2161 transitions. [2022-03-03 18:24:21,892 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 2161 transitions. Word has length 114 [2022-03-03 18:24:21,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:21,903 INFO L470 AbstractCegarLoop]: Abstraction has 1182 states and 2161 transitions. [2022-03-03 18:24:21,903 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) [2022-03-03 18:24:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 2161 transitions. [2022-03-03 18:24:21,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:21,904 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:21,904 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] [2022-03-03 18:24:21,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-03-03 18:24:21,904 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:21,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:21,904 INFO L85 PathProgramCache]: Analyzing trace with hash 934747207, now seen corresponding path program 12 times [2022-03-03 18:24:21,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:21,904 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817553707] [2022-03-03 18:24:21,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:21,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:22,675 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:22,675 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817553707] [2022-03-03 18:24:22,675 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817553707] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:22,675 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:22,675 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:22,675 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645919742] [2022-03-03 18:24:22,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:22,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:22,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:22,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:22,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:22,676 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) [2022-03-03 18:24:23,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:23,146 INFO L93 Difference]: Finished difference Result 1551 states and 2853 transitions. [2022-03-03 18:24:23,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:24:23,146 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 [2022-03-03 18:24:23,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:23,147 INFO L225 Difference]: With dead ends: 1551 [2022-03-03 18:24:23,148 INFO L226 Difference]: Without dead ends: 1530 [2022-03-03 18:24:23,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2022-03-03 18:24:23,148 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 236 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:23,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 599 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:24:23,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2022-03-03 18:24:23,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1163. [2022-03-03 18:24:23,156 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) [2022-03-03 18:24:23,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 2123 transitions. [2022-03-03 18:24:23,157 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 2123 transitions. Word has length 114 [2022-03-03 18:24:23,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:23,157 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 2123 transitions. [2022-03-03 18:24:23,157 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) [2022-03-03 18:24:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2123 transitions. [2022-03-03 18:24:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:23,158 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:23,158 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:23,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-03-03 18:24:23,159 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:23,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:23,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1569408653, now seen corresponding path program 13 times [2022-03-03 18:24:23,159 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:23,159 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672142613] [2022-03-03 18:24:23,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:23,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:23,941 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:23,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672142613] [2022-03-03 18:24:23,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672142613] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:23,941 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:23,941 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:23,941 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182616942] [2022-03-03 18:24:23,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:23,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:23,941 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:23,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:23,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:23,942 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) [2022-03-03 18:24:24,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:24,494 INFO L93 Difference]: Finished difference Result 1450 states and 2653 transitions. [2022-03-03 18:24:24,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:24:24,495 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 [2022-03-03 18:24:24,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:24,496 INFO L225 Difference]: With dead ends: 1450 [2022-03-03 18:24:24,496 INFO L226 Difference]: Without dead ends: 1436 [2022-03-03 18:24:24,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:24:24,496 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:24,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 556 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:24:24,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2022-03-03 18:24:24,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1127. [2022-03-03 18:24:24,504 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) [2022-03-03 18:24:24,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2051 transitions. [2022-03-03 18:24:24,505 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2051 transitions. Word has length 114 [2022-03-03 18:24:24,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:24,506 INFO L470 AbstractCegarLoop]: Abstraction has 1127 states and 2051 transitions. [2022-03-03 18:24:24,506 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) [2022-03-03 18:24:24,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2051 transitions. [2022-03-03 18:24:24,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:24,506 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:24,507 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:24,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-03-03 18:24:24,507 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:24,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:24,507 INFO L85 PathProgramCache]: Analyzing trace with hash -236888212, now seen corresponding path program 23 times [2022-03-03 18:24:24,507 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:24,507 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823402295] [2022-03-03 18:24:24,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:24,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:24,634 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:24,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823402295] [2022-03-03 18:24:24,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823402295] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:24,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:24,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:24,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658242381] [2022-03-03 18:24:24,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:24,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:24,635 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:24,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:24,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:24,635 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) [2022-03-03 18:24:25,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:25,030 INFO L93 Difference]: Finished difference Result 1177 states and 2139 transitions. [2022-03-03 18:24:25,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-03 18:24:25,030 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 [2022-03-03 18:24:25,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:25,031 INFO L225 Difference]: With dead ends: 1177 [2022-03-03 18:24:25,031 INFO L226 Difference]: Without dead ends: 1177 [2022-03-03 18:24:25,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=328, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:24:25,032 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 225 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:25,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 685 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:24:25,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2022-03-03 18:24:25,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1127. [2022-03-03 18:24:25,039 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) [2022-03-03 18:24:25,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 2051 transitions. [2022-03-03 18:24:25,041 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 2051 transitions. Word has length 114 [2022-03-03 18:24:25,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:25,041 INFO L470 AbstractCegarLoop]: Abstraction has 1127 states and 2051 transitions. [2022-03-03 18:24:25,041 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) [2022-03-03 18:24:25,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2051 transitions. [2022-03-03 18:24:25,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:25,042 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:25,042 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:25,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-03-03 18:24:25,042 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:25,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:25,042 INFO L85 PathProgramCache]: Analyzing trace with hash -322421242, now seen corresponding path program 24 times [2022-03-03 18:24:25,042 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:25,042 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149926280] [2022-03-03 18:24:25,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:25,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:25,324 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:25,324 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:25,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149926280] [2022-03-03 18:24:25,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149926280] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:25,324 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:25,324 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:25,324 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440597286] [2022-03-03 18:24:25,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:25,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:25,325 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:25,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:25,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:25,325 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) [2022-03-03 18:24:25,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:25,578 INFO L93 Difference]: Finished difference Result 1208 states and 2188 transitions. [2022-03-03 18:24:25,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:25,578 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 [2022-03-03 18:24:25,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:25,579 INFO L225 Difference]: With dead ends: 1208 [2022-03-03 18:24:25,579 INFO L226 Difference]: Without dead ends: 1208 [2022-03-03 18:24:25,580 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 [2022-03-03 18:24:25,580 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 [2022-03-03 18:24:25,580 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] [2022-03-03 18:24:25,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2022-03-03 18:24:25,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1137. [2022-03-03 18:24:25,587 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) [2022-03-03 18:24:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 2071 transitions. [2022-03-03 18:24:25,588 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 2071 transitions. Word has length 114 [2022-03-03 18:24:25,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:25,588 INFO L470 AbstractCegarLoop]: Abstraction has 1137 states and 2071 transitions. [2022-03-03 18:24:25,589 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) [2022-03-03 18:24:25,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2071 transitions. [2022-03-03 18:24:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:25,589 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:25,589 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:25,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-03-03 18:24:25,590 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:25,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:25,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1349650314, now seen corresponding path program 25 times [2022-03-03 18:24:25,590 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:25,590 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950185597] [2022-03-03 18:24:25,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:25,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:25,902 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:25,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950185597] [2022-03-03 18:24:25,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950185597] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:25,902 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:25,902 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:25,902 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561233962] [2022-03-03 18:24:25,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:25,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:25,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:25,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:25,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:25,903 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) [2022-03-03 18:24:26,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:26,135 INFO L93 Difference]: Finished difference Result 1203 states and 2179 transitions. [2022-03-03 18:24:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:26,135 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 [2022-03-03 18:24:26,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:26,137 INFO L225 Difference]: With dead ends: 1203 [2022-03-03 18:24:26,137 INFO L226 Difference]: Without dead ends: 1203 [2022-03-03 18:24:26,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:24:26,137 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:26,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 400 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:24:26,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2022-03-03 18:24:26,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1119. [2022-03-03 18:24:26,144 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) [2022-03-03 18:24:26,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 2035 transitions. [2022-03-03 18:24:26,145 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 2035 transitions. Word has length 114 [2022-03-03 18:24:26,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:26,146 INFO L470 AbstractCegarLoop]: Abstraction has 1119 states and 2035 transitions. [2022-03-03 18:24:26,146 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) [2022-03-03 18:24:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2035 transitions. [2022-03-03 18:24:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:26,147 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:26,147 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:26,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-03-03 18:24:26,147 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:26,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:26,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1580184604, now seen corresponding path program 26 times [2022-03-03 18:24:26,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:26,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163663805] [2022-03-03 18:24:26,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:26,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:26,646 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:26,646 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163663805] [2022-03-03 18:24:26,646 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163663805] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:26,646 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:26,646 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:26,647 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011686974] [2022-03-03 18:24:26,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:26,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:26,647 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:26,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:26,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:26,647 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) [2022-03-03 18:24:27,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:27,009 INFO L93 Difference]: Finished difference Result 1185 states and 2145 transitions. [2022-03-03 18:24:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:27,009 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 [2022-03-03 18:24:27,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:27,011 INFO L225 Difference]: With dead ends: 1185 [2022-03-03 18:24:27,011 INFO L226 Difference]: Without dead ends: 1185 [2022-03-03 18:24:27,011 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 [2022-03-03 18:24:27,011 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 [2022-03-03 18:24:27,011 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] [2022-03-03 18:24:27,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-03-03 18:24:27,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1111. [2022-03-03 18:24:27,018 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) [2022-03-03 18:24:27,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 2019 transitions. [2022-03-03 18:24:27,020 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 2019 transitions. Word has length 114 [2022-03-03 18:24:27,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:27,020 INFO L470 AbstractCegarLoop]: Abstraction has 1111 states and 2019 transitions. [2022-03-03 18:24:27,020 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) [2022-03-03 18:24:27,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2019 transitions. [2022-03-03 18:24:27,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:27,021 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:27,021 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:27,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-03-03 18:24:27,021 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:27,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:27,021 INFO L85 PathProgramCache]: Analyzing trace with hash -445942300, now seen corresponding path program 27 times [2022-03-03 18:24:27,021 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:27,021 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112048757] [2022-03-03 18:24:27,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:27,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:27,629 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:27,629 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112048757] [2022-03-03 18:24:27,629 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112048757] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:27,629 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:27,629 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:27,629 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135744282] [2022-03-03 18:24:27,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:27,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:27,629 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:27,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:27,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:27,630 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) [2022-03-03 18:24:27,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:27,981 INFO L93 Difference]: Finished difference Result 1173 states and 2117 transitions. [2022-03-03 18:24:27,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:27,981 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 [2022-03-03 18:24:27,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:27,982 INFO L225 Difference]: With dead ends: 1173 [2022-03-03 18:24:27,983 INFO L226 Difference]: Without dead ends: 1173 [2022-03-03 18:24:27,983 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 [2022-03-03 18:24:27,983 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:27,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 415 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:24:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2022-03-03 18:24:27,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1110. [2022-03-03 18:24:27,990 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) [2022-03-03 18:24:27,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 2018 transitions. [2022-03-03 18:24:27,991 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 2018 transitions. Word has length 114 [2022-03-03 18:24:27,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:27,991 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 2018 transitions. [2022-03-03 18:24:27,991 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) [2022-03-03 18:24:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 2018 transitions. [2022-03-03 18:24:27,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-03-03 18:24:27,992 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:27,992 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] [2022-03-03 18:24:27,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-03-03 18:24:27,992 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:27,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:27,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1180753314, now seen corresponding path program 28 times [2022-03-03 18:24:27,993 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:27,993 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270482141] [2022-03-03 18:24:27,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:27,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:28,519 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:28,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:28,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270482141] [2022-03-03 18:24:28,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270482141] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:28,519 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:28,519 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:28,519 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262968818] [2022-03-03 18:24:28,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:28,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:28,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:28,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:28,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:28,520 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) [2022-03-03 18:24:28,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:28,825 INFO L93 Difference]: Finished difference Result 1168 states and 2111 transitions. [2022-03-03 18:24:28,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:28,825 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 [2022-03-03 18:24:28,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:28,826 INFO L225 Difference]: With dead ends: 1168 [2022-03-03 18:24:28,826 INFO L226 Difference]: Without dead ends: 1168 [2022-03-03 18:24:28,826 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 [2022-03-03 18:24:28,827 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 [2022-03-03 18:24:28,827 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] [2022-03-03 18:24:28,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-03-03 18:24:28,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1079. [2022-03-03 18:24:28,834 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) [2022-03-03 18:24:28,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1964 transitions. [2022-03-03 18:24:28,835 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1964 transitions. Word has length 114 [2022-03-03 18:24:28,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:28,835 INFO L470 AbstractCegarLoop]: Abstraction has 1079 states and 1964 transitions. [2022-03-03 18:24:28,835 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) [2022-03-03 18:24:28,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1964 transitions. [2022-03-03 18:24:28,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:28,836 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:28,836 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:28,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-03-03 18:24:28,836 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:28,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:28,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1303131048, now seen corresponding path program 1 times [2022-03-03 18:24:28,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:28,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436731944] [2022-03-03 18:24:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:29,141 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:29,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436731944] [2022-03-03 18:24:29,142 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436731944] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:29,142 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:29,142 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:29,142 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956188322] [2022-03-03 18:24:29,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:29,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:29,142 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:29,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:29,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:29,142 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) [2022-03-03 18:24:29,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:29,601 INFO L93 Difference]: Finished difference Result 1765 states and 3226 transitions. [2022-03-03 18:24:29,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:24:29,601 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 [2022-03-03 18:24:29,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:29,603 INFO L225 Difference]: With dead ends: 1765 [2022-03-03 18:24:29,603 INFO L226 Difference]: Without dead ends: 1765 [2022-03-03 18:24:29,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:24:29,603 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:29,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 664 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:24:29,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2022-03-03 18:24:29,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1146. [2022-03-03 18:24:29,613 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) [2022-03-03 18:24:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 2098 transitions. [2022-03-03 18:24:29,614 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 2098 transitions. Word has length 115 [2022-03-03 18:24:29,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:29,614 INFO L470 AbstractCegarLoop]: Abstraction has 1146 states and 2098 transitions. [2022-03-03 18:24:29,614 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) [2022-03-03 18:24:29,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 2098 transitions. [2022-03-03 18:24:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:29,615 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:29,615 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:29,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-03-03 18:24:29,615 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:29,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:29,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1212971395, now seen corresponding path program 1 times [2022-03-03 18:24:29,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:29,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891899598] [2022-03-03 18:24:29,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:29,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:29,741 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:29,741 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:29,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891899598] [2022-03-03 18:24:29,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891899598] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:29,741 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:29,741 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 18:24:29,741 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255591016] [2022-03-03 18:24:29,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:29,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 18:24:29,742 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:29,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 18:24:29,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-03-03 18:24:29,742 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) [2022-03-03 18:24:30,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:30,011 INFO L93 Difference]: Finished difference Result 1249 states and 2292 transitions. [2022-03-03 18:24:30,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 18:24:30,011 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 [2022-03-03 18:24:30,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:30,013 INFO L225 Difference]: With dead ends: 1249 [2022-03-03 18:24:30,013 INFO L226 Difference]: Without dead ends: 1249 [2022-03-03 18:24:30,013 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 [2022-03-03 18:24:30,013 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 [2022-03-03 18:24:30,013 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] [2022-03-03 18:24:30,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2022-03-03 18:24:30,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1155. [2022-03-03 18:24:30,021 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) [2022-03-03 18:24:30,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 2116 transitions. [2022-03-03 18:24:30,023 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 2116 transitions. Word has length 115 [2022-03-03 18:24:30,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:30,023 INFO L470 AbstractCegarLoop]: Abstraction has 1155 states and 2116 transitions. [2022-03-03 18:24:30,023 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) [2022-03-03 18:24:30,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2116 transitions. [2022-03-03 18:24:30,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:30,024 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:30,024 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:30,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-03-03 18:24:30,024 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:30,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:30,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1212048835, now seen corresponding path program 2 times [2022-03-03 18:24:30,024 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:30,024 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056305413] [2022-03-03 18:24:30,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:30,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:30,222 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:30,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:30,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056305413] [2022-03-03 18:24:30,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056305413] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:30,222 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:30,222 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:30,222 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626200463] [2022-03-03 18:24:30,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:30,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:30,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:30,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:30,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:30,223 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) [2022-03-03 18:24:30,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:30,725 INFO L93 Difference]: Finished difference Result 1770 states and 3237 transitions. [2022-03-03 18:24:30,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:30,725 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 [2022-03-03 18:24:30,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:30,727 INFO L225 Difference]: With dead ends: 1770 [2022-03-03 18:24:30,727 INFO L226 Difference]: Without dead ends: 1770 [2022-03-03 18:24:30,727 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 [2022-03-03 18:24:30,728 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 [2022-03-03 18:24:30,728 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] [2022-03-03 18:24:30,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2022-03-03 18:24:30,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1350. [2022-03-03 18:24:30,741 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) [2022-03-03 18:24:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 2506 transitions. [2022-03-03 18:24:30,743 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 2506 transitions. Word has length 115 [2022-03-03 18:24:30,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:30,744 INFO L470 AbstractCegarLoop]: Abstraction has 1350 states and 2506 transitions. [2022-03-03 18:24:30,744 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) [2022-03-03 18:24:30,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 2506 transitions. [2022-03-03 18:24:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:30,745 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:30,745 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:30,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-03-03 18:24:30,745 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:30,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:30,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1212018145, now seen corresponding path program 3 times [2022-03-03 18:24:30,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:30,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506181693] [2022-03-03 18:24:30,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:30,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:31,017 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:31,017 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506181693] [2022-03-03 18:24:31,017 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506181693] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:31,017 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:31,017 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:31,017 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795775411] [2022-03-03 18:24:31,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:31,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:31,017 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:31,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:31,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:31,018 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) [2022-03-03 18:24:31,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:31,395 INFO L93 Difference]: Finished difference Result 1738 states and 3174 transitions. [2022-03-03 18:24:31,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:31,415 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 [2022-03-03 18:24:31,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:31,418 INFO L225 Difference]: With dead ends: 1738 [2022-03-03 18:24:31,418 INFO L226 Difference]: Without dead ends: 1738 [2022-03-03 18:24:31,418 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 [2022-03-03 18:24:31,418 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 220 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:24:31,418 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] [2022-03-03 18:24:31,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2022-03-03 18:24:31,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1359. [2022-03-03 18:24:31,441 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) [2022-03-03 18:24:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 2523 transitions. [2022-03-03 18:24:31,442 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 2523 transitions. Word has length 115 [2022-03-03 18:24:31,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:31,442 INFO L470 AbstractCegarLoop]: Abstraction has 1359 states and 2523 transitions. [2022-03-03 18:24:31,443 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) [2022-03-03 18:24:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 2523 transitions. [2022-03-03 18:24:31,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:31,444 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:31,444 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] [2022-03-03 18:24:31,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-03-03 18:24:31,444 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:31,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:31,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1949471993, now seen corresponding path program 4 times [2022-03-03 18:24:31,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:31,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313329230] [2022-03-03 18:24:31,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:31,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:31,775 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:31,775 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313329230] [2022-03-03 18:24:31,775 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313329230] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:31,775 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:31,776 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:31,776 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394044518] [2022-03-03 18:24:31,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:31,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:31,776 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:31,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:31,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:31,776 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) [2022-03-03 18:24:32,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:32,161 INFO L93 Difference]: Finished difference Result 1700 states and 3099 transitions. [2022-03-03 18:24:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:32,161 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 [2022-03-03 18:24:32,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:32,163 INFO L225 Difference]: With dead ends: 1700 [2022-03-03 18:24:32,163 INFO L226 Difference]: Without dead ends: 1700 [2022-03-03 18:24:32,163 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 [2022-03-03 18:24:32,163 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 205 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:24:32,163 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] [2022-03-03 18:24:32,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2022-03-03 18:24:32,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1374. [2022-03-03 18:24:32,199 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) [2022-03-03 18:24:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2552 transitions. [2022-03-03 18:24:32,202 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 2552 transitions. Word has length 115 [2022-03-03 18:24:32,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:32,202 INFO L470 AbstractCegarLoop]: Abstraction has 1374 states and 2552 transitions. [2022-03-03 18:24:32,202 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) [2022-03-03 18:24:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2552 transitions. [2022-03-03 18:24:32,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:32,216 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:32,216 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:32,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-03-03 18:24:32,216 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:32,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:32,217 INFO L85 PathProgramCache]: Analyzing trace with hash 494832927, now seen corresponding path program 5 times [2022-03-03 18:24:32,217 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:32,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993500365] [2022-03-03 18:24:32,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:32,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:32,605 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:32,605 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993500365] [2022-03-03 18:24:32,605 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993500365] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:32,605 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:32,605 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:32,605 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566775257] [2022-03-03 18:24:32,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:32,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:32,606 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:32,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:32,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:32,606 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) [2022-03-03 18:24:33,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:33,019 INFO L93 Difference]: Finished difference Result 1689 states and 3079 transitions. [2022-03-03 18:24:33,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:33,019 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 [2022-03-03 18:24:33,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:33,021 INFO L225 Difference]: With dead ends: 1689 [2022-03-03 18:24:33,021 INFO L226 Difference]: Without dead ends: 1689 [2022-03-03 18:24:33,022 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 [2022-03-03 18:24:33,022 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 193 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:33,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 575 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:24:33,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-03-03 18:24:33,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1386. [2022-03-03 18:24:33,033 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) [2022-03-03 18:24:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 2566 transitions. [2022-03-03 18:24:33,035 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 2566 transitions. Word has length 115 [2022-03-03 18:24:33,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:33,035 INFO L470 AbstractCegarLoop]: Abstraction has 1386 states and 2566 transitions. [2022-03-03 18:24:33,035 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) [2022-03-03 18:24:33,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 2566 transitions. [2022-03-03 18:24:33,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:33,046 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:33,046 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:33,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-03-03 18:24:33,046 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:33,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:33,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1341906476, now seen corresponding path program 1 times [2022-03-03 18:24:33,047 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:33,047 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561458889] [2022-03-03 18:24:33,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:33,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:33,176 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:33,176 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561458889] [2022-03-03 18:24:33,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561458889] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:33,176 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:33,176 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 18:24:33,176 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318831057] [2022-03-03 18:24:33,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:33,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 18:24:33,177 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:33,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 18:24:33,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-03 18:24:33,177 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) [2022-03-03 18:24:33,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:33,348 INFO L93 Difference]: Finished difference Result 1459 states and 2702 transitions. [2022-03-03 18:24:33,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:33,348 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 [2022-03-03 18:24:33,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:33,349 INFO L225 Difference]: With dead ends: 1459 [2022-03-03 18:24:33,350 INFO L226 Difference]: Without dead ends: 1459 [2022-03-03 18:24:33,350 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 [2022-03-03 18:24:33,350 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:33,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 473 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:24:33,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1459 states. [2022-03-03 18:24:33,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1459 to 1391. [2022-03-03 18:24:33,385 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) [2022-03-03 18:24:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 2576 transitions. [2022-03-03 18:24:33,387 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 2576 transitions. Word has length 115 [2022-03-03 18:24:33,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:33,387 INFO L470 AbstractCegarLoop]: Abstraction has 1391 states and 2576 transitions. [2022-03-03 18:24:33,387 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) [2022-03-03 18:24:33,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 2576 transitions. [2022-03-03 18:24:33,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:33,388 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:33,388 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:33,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-03-03 18:24:33,388 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:33,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:33,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1255449956, now seen corresponding path program 2 times [2022-03-03 18:24:33,389 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:33,389 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681188389] [2022-03-03 18:24:33,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:33,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:33,779 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:33,780 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:33,780 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681188389] [2022-03-03 18:24:33,780 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681188389] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:33,780 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:33,780 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:24:33,780 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958929850] [2022-03-03 18:24:33,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:33,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:24:33,780 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:33,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:24:33,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:24:33,780 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) [2022-03-03 18:24:34,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:34,428 INFO L93 Difference]: Finished difference Result 2658 states and 4925 transitions. [2022-03-03 18:24:34,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:24:34,429 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 [2022-03-03 18:24:34,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:34,431 INFO L225 Difference]: With dead ends: 2658 [2022-03-03 18:24:34,431 INFO L226 Difference]: Without dead ends: 2658 [2022-03-03 18:24:34,432 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 [2022-03-03 18:24:34,432 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 [2022-03-03 18:24:34,432 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] [2022-03-03 18:24:34,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2022-03-03 18:24:34,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 1788. [2022-03-03 18:24:34,448 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) [2022-03-03 18:24:34,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1788 states and 3369 transitions. [2022-03-03 18:24:34,450 INFO L78 Accepts]: Start accepts. Automaton has 1788 states and 3369 transitions. Word has length 115 [2022-03-03 18:24:34,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:34,450 INFO L470 AbstractCegarLoop]: Abstraction has 1788 states and 3369 transitions. [2022-03-03 18:24:34,450 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) [2022-03-03 18:24:34,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 3369 transitions. [2022-03-03 18:24:34,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:34,451 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:34,451 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:34,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-03-03 18:24:34,452 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:34,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:34,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1357951778, now seen corresponding path program 3 times [2022-03-03 18:24:34,452 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:34,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865657749] [2022-03-03 18:24:34,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:34,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:34,777 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:34,778 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:34,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865657749] [2022-03-03 18:24:34,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865657749] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:34,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:34,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:34,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219023141] [2022-03-03 18:24:34,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:34,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:34,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:34,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:34,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:34,779 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) [2022-03-03 18:24:35,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:35,248 INFO L93 Difference]: Finished difference Result 2123 states and 3939 transitions. [2022-03-03 18:24:35,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:35,249 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 [2022-03-03 18:24:35,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:35,251 INFO L225 Difference]: With dead ends: 2123 [2022-03-03 18:24:35,251 INFO L226 Difference]: Without dead ends: 2123 [2022-03-03 18:24:35,251 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 [2022-03-03 18:24:35,252 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 [2022-03-03 18:24:35,252 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] [2022-03-03 18:24:35,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-03-03 18:24:35,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1442. [2022-03-03 18:24:35,263 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) [2022-03-03 18:24:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2676 transitions. [2022-03-03 18:24:35,264 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2676 transitions. Word has length 115 [2022-03-03 18:24:35,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:35,264 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2676 transitions. [2022-03-03 18:24:35,264 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) [2022-03-03 18:24:35,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2676 transitions. [2022-03-03 18:24:35,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:35,265 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:35,265 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:35,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-03-03 18:24:35,266 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:35,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:35,266 INFO L85 PathProgramCache]: Analyzing trace with hash -756561180, now seen corresponding path program 4 times [2022-03-03 18:24:35,266 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:35,266 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197910255] [2022-03-03 18:24:35,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:35,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:35,680 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:35,680 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:35,680 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197910255] [2022-03-03 18:24:35,680 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197910255] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:35,680 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:35,680 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:35,680 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435263705] [2022-03-03 18:24:35,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:35,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:35,681 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:35,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:35,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:35,681 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) [2022-03-03 18:24:36,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:36,072 INFO L93 Difference]: Finished difference Result 1710 states and 3115 transitions. [2022-03-03 18:24:36,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:36,073 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 [2022-03-03 18:24:36,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:36,075 INFO L225 Difference]: With dead ends: 1710 [2022-03-03 18:24:36,075 INFO L226 Difference]: Without dead ends: 1710 [2022-03-03 18:24:36,075 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 [2022-03-03 18:24:36,075 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 236 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:24:36,075 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] [2022-03-03 18:24:36,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2022-03-03 18:24:36,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 1456. [2022-03-03 18:24:36,086 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) [2022-03-03 18:24:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 2690 transitions. [2022-03-03 18:24:36,088 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 2690 transitions. Word has length 115 [2022-03-03 18:24:36,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:36,088 INFO L470 AbstractCegarLoop]: Abstraction has 1456 states and 2690 transitions. [2022-03-03 18:24:36,088 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) [2022-03-03 18:24:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2690 transitions. [2022-03-03 18:24:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:36,089 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:36,089 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:36,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-03-03 18:24:36,089 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:36,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:36,090 INFO L85 PathProgramCache]: Analyzing trace with hash -620045404, now seen corresponding path program 5 times [2022-03-03 18:24:36,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:36,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622988174] [2022-03-03 18:24:36,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:36,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:36,319 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:36,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:36,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622988174] [2022-03-03 18:24:36,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622988174] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:36,319 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:36,319 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:36,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849295485] [2022-03-03 18:24:36,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:36,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:36,320 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:36,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:36,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:36,320 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) [2022-03-03 18:24:37,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:37,017 INFO L93 Difference]: Finished difference Result 1734 states and 3179 transitions. [2022-03-03 18:24:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 18:24:37,017 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 [2022-03-03 18:24:37,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:37,019 INFO L225 Difference]: With dead ends: 1734 [2022-03-03 18:24:37,019 INFO L226 Difference]: Without dead ends: 1734 [2022-03-03 18:24:37,019 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 [2022-03-03 18:24:37,019 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 [2022-03-03 18:24:37,019 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] [2022-03-03 18:24:37,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2022-03-03 18:24:37,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1458. [2022-03-03 18:24:37,030 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) [2022-03-03 18:24:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 2694 transitions. [2022-03-03 18:24:37,032 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 2694 transitions. Word has length 115 [2022-03-03 18:24:37,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:37,032 INFO L470 AbstractCegarLoop]: Abstraction has 1458 states and 2694 transitions. [2022-03-03 18:24:37,032 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) [2022-03-03 18:24:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 2694 transitions. [2022-03-03 18:24:37,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:37,033 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:37,033 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, 1, 1] [2022-03-03 18:24:37,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-03-03 18:24:37,033 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:37,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:37,033 INFO L85 PathProgramCache]: Analyzing trace with hash -706501924, now seen corresponding path program 6 times [2022-03-03 18:24:37,034 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:37,034 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431371616] [2022-03-03 18:24:37,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:37,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:37,390 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:37,390 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:37,391 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431371616] [2022-03-03 18:24:37,391 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431371616] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:37,391 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:37,391 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:37,391 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819133500] [2022-03-03 18:24:37,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:37,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:37,391 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:37,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:37,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:37,392 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) [2022-03-03 18:24:37,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:37,788 INFO L93 Difference]: Finished difference Result 1738 states and 3176 transitions. [2022-03-03 18:24:37,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:37,789 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 [2022-03-03 18:24:37,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:37,791 INFO L225 Difference]: With dead ends: 1738 [2022-03-03 18:24:37,791 INFO L226 Difference]: Without dead ends: 1738 [2022-03-03 18:24:37,791 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 [2022-03-03 18:24:37,791 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 [2022-03-03 18:24:37,791 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] [2022-03-03 18:24:37,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1738 states. [2022-03-03 18:24:37,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1738 to 1474. [2022-03-03 18:24:37,802 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) [2022-03-03 18:24:37,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2726 transitions. [2022-03-03 18:24:37,803 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2726 transitions. Word has length 115 [2022-03-03 18:24:37,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:37,803 INFO L470 AbstractCegarLoop]: Abstraction has 1474 states and 2726 transitions. [2022-03-03 18:24:37,803 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) [2022-03-03 18:24:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2726 transitions. [2022-03-03 18:24:37,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:37,804 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:37,804 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, 1] [2022-03-03 18:24:37,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-03-03 18:24:37,805 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:37,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:37,805 INFO L85 PathProgramCache]: Analyzing trace with hash 936941442, now seen corresponding path program 7 times [2022-03-03 18:24:37,805 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:37,805 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898728276] [2022-03-03 18:24:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:37,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:38,209 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:38,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:38,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898728276] [2022-03-03 18:24:38,209 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898728276] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:38,209 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:38,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:38,209 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146745910] [2022-03-03 18:24:38,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:38,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:38,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:38,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:38,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:38,210 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) [2022-03-03 18:24:38,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:38,751 INFO L93 Difference]: Finished difference Result 1731 states and 3163 transitions. [2022-03-03 18:24:38,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:38,752 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 [2022-03-03 18:24:38,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:38,754 INFO L225 Difference]: With dead ends: 1731 [2022-03-03 18:24:38,754 INFO L226 Difference]: Without dead ends: 1731 [2022-03-03 18:24:38,754 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 [2022-03-03 18:24:38,754 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 [2022-03-03 18:24:38,754 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] [2022-03-03 18:24:38,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2022-03-03 18:24:38,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1477. [2022-03-03 18:24:38,765 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) [2022-03-03 18:24:38,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2732 transitions. [2022-03-03 18:24:38,766 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2732 transitions. Word has length 115 [2022-03-03 18:24:38,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:38,766 INFO L470 AbstractCegarLoop]: Abstraction has 1477 states and 2732 transitions. [2022-03-03 18:24:38,766 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) [2022-03-03 18:24:38,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2732 transitions. [2022-03-03 18:24:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:38,767 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:38,767 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:38,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-03-03 18:24:38,768 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:38,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:38,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1231552126, now seen corresponding path program 8 times [2022-03-03 18:24:38,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:38,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960282674] [2022-03-03 18:24:38,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:38,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:39,254 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:39,254 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960282674] [2022-03-03 18:24:39,254 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960282674] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:39,254 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:39,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:39,255 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161593215] [2022-03-03 18:24:39,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:39,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:39,255 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:39,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:39,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:39,255 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) [2022-03-03 18:24:39,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:39,758 INFO L93 Difference]: Finished difference Result 1725 states and 3153 transitions. [2022-03-03 18:24:39,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:39,758 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 [2022-03-03 18:24:39,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:39,760 INFO L225 Difference]: With dead ends: 1725 [2022-03-03 18:24:39,760 INFO L226 Difference]: Without dead ends: 1725 [2022-03-03 18:24:39,760 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 [2022-03-03 18:24:39,760 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 [2022-03-03 18:24:39,760 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] [2022-03-03 18:24:39,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2022-03-03 18:24:39,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1459. [2022-03-03 18:24:39,771 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) [2022-03-03 18:24:39,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 2696 transitions. [2022-03-03 18:24:39,772 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 2696 transitions. Word has length 115 [2022-03-03 18:24:39,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:39,773 INFO L470 AbstractCegarLoop]: Abstraction has 1459 states and 2696 transitions. [2022-03-03 18:24:39,773 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) [2022-03-03 18:24:39,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 2696 transitions. [2022-03-03 18:24:39,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:39,774 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:39,774 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:39,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-03-03 18:24:39,774 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:39,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:39,774 INFO L85 PathProgramCache]: Analyzing trace with hash 600982884, now seen corresponding path program 9 times [2022-03-03 18:24:39,774 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:39,774 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271501219] [2022-03-03 18:24:39,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:39,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:40,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:40,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271501219] [2022-03-03 18:24:40,264 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271501219] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:40,264 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:40,264 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:40,264 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640883466] [2022-03-03 18:24:40,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:40,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:40,264 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:40,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:40,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:40,265 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) [2022-03-03 18:24:40,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:40,642 INFO L93 Difference]: Finished difference Result 1704 states and 3114 transitions. [2022-03-03 18:24:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:40,643 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 [2022-03-03 18:24:40,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:40,645 INFO L225 Difference]: With dead ends: 1704 [2022-03-03 18:24:40,645 INFO L226 Difference]: Without dead ends: 1704 [2022-03-03 18:24:40,645 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 [2022-03-03 18:24:40,645 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:40,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 422 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:24:40,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2022-03-03 18:24:40,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1460. [2022-03-03 18:24:40,656 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) [2022-03-03 18:24:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 2698 transitions. [2022-03-03 18:24:40,658 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 2698 transitions. Word has length 115 [2022-03-03 18:24:40,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:40,658 INFO L470 AbstractCegarLoop]: Abstraction has 1460 states and 2698 transitions. [2022-03-03 18:24:40,658 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) [2022-03-03 18:24:40,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2698 transitions. [2022-03-03 18:24:40,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:40,659 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:40,659 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:40,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-03-03 18:24:40,659 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:40,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:40,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1402755940, now seen corresponding path program 10 times [2022-03-03 18:24:40,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:40,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948738444] [2022-03-03 18:24:40,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:40,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:41,192 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:41,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:41,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948738444] [2022-03-03 18:24:41,193 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948738444] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:41,193 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:41,193 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:41,193 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799050521] [2022-03-03 18:24:41,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:41,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:41,193 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:41,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:41,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:41,193 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) [2022-03-03 18:24:41,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:41,626 INFO L93 Difference]: Finished difference Result 1686 states and 3078 transitions. [2022-03-03 18:24:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:41,626 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 [2022-03-03 18:24:41,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:41,628 INFO L225 Difference]: With dead ends: 1686 [2022-03-03 18:24:41,628 INFO L226 Difference]: Without dead ends: 1686 [2022-03-03 18:24:41,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:24:41,628 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 179 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:41,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 505 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:24:41,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-03-03 18:24:41,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1462. [2022-03-03 18:24:41,639 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) [2022-03-03 18:24:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2701 transitions. [2022-03-03 18:24:41,640 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2701 transitions. Word has length 115 [2022-03-03 18:24:41,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:41,640 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2701 transitions. [2022-03-03 18:24:41,640 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) [2022-03-03 18:24:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2701 transitions. [2022-03-03 18:24:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:41,641 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:41,641 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, 1, 1] [2022-03-03 18:24:41,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-03-03 18:24:41,642 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:41,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:41,642 INFO L85 PathProgramCache]: Analyzing trace with hash 290712422, now seen corresponding path program 11 times [2022-03-03 18:24:41,642 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:41,642 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828277325] [2022-03-03 18:24:41,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:42,614 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:42,615 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828277325] [2022-03-03 18:24:42,615 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828277325] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:42,615 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:42,615 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:24:42,615 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136873981] [2022-03-03 18:24:42,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:42,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:24:42,615 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:42,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:24:42,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:24:42,615 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) [2022-03-03 18:24:44,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:44,088 INFO L93 Difference]: Finished difference Result 2174 states and 3983 transitions. [2022-03-03 18:24:44,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-03 18:24:44,088 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 [2022-03-03 18:24:44,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:44,090 INFO L225 Difference]: With dead ends: 2174 [2022-03-03 18:24:44,090 INFO L226 Difference]: Without dead ends: 2174 [2022-03-03 18:24:44,091 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 [2022-03-03 18:24:44,091 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 [2022-03-03 18:24:44,091 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] [2022-03-03 18:24:44,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2022-03-03 18:24:44,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 1467. [2022-03-03 18:24:44,103 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) [2022-03-03 18:24:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2711 transitions. [2022-03-03 18:24:44,104 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2711 transitions. Word has length 115 [2022-03-03 18:24:44,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:44,104 INFO L470 AbstractCegarLoop]: Abstraction has 1467 states and 2711 transitions. [2022-03-03 18:24:44,104 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) [2022-03-03 18:24:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2711 transitions. [2022-03-03 18:24:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:44,105 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:44,105 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, 1, 1] [2022-03-03 18:24:44,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-03-03 18:24:44,106 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:44,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:44,106 INFO L85 PathProgramCache]: Analyzing trace with hash 2030768574, now seen corresponding path program 12 times [2022-03-03 18:24:44,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:44,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079228792] [2022-03-03 18:24:44,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:44,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:44,822 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:44,822 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079228792] [2022-03-03 18:24:44,822 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079228792] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:44,822 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:44,822 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:44,822 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774569667] [2022-03-03 18:24:44,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:44,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:44,822 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:44,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:44,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:44,823 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) [2022-03-03 18:24:45,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:45,270 INFO L93 Difference]: Finished difference Result 1708 states and 3113 transitions. [2022-03-03 18:24:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:24:45,270 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 [2022-03-03 18:24:45,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:45,272 INFO L225 Difference]: With dead ends: 1708 [2022-03-03 18:24:45,272 INFO L226 Difference]: Without dead ends: 1708 [2022-03-03 18:24:45,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:24:45,272 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:45,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 555 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:24:45,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1708 states. [2022-03-03 18:24:45,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1708 to 1462. [2022-03-03 18:24:45,282 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) [2022-03-03 18:24:45,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2701 transitions. [2022-03-03 18:24:45,284 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2701 transitions. Word has length 115 [2022-03-03 18:24:45,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:45,284 INFO L470 AbstractCegarLoop]: Abstraction has 1462 states and 2701 transitions. [2022-03-03 18:24:45,284 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) [2022-03-03 18:24:45,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2701 transitions. [2022-03-03 18:24:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:45,285 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:45,285 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] [2022-03-03 18:24:45,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-03-03 18:24:45,285 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:45,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:45,286 INFO L85 PathProgramCache]: Analyzing trace with hash 182468356, now seen corresponding path program 13 times [2022-03-03 18:24:45,286 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:45,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963379614] [2022-03-03 18:24:45,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:45,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:45,532 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:45,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963379614] [2022-03-03 18:24:45,532 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963379614] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:45,532 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:45,532 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:45,532 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69419121] [2022-03-03 18:24:45,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:45,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:45,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:45,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:45,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:45,533 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) [2022-03-03 18:24:45,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:45,818 INFO L93 Difference]: Finished difference Result 1588 states and 2917 transitions. [2022-03-03 18:24:45,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:45,819 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 [2022-03-03 18:24:45,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:45,820 INFO L225 Difference]: With dead ends: 1588 [2022-03-03 18:24:45,820 INFO L226 Difference]: Without dead ends: 1588 [2022-03-03 18:24:45,821 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 [2022-03-03 18:24:45,821 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 [2022-03-03 18:24:45,821 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] [2022-03-03 18:24:45,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2022-03-03 18:24:45,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1466. [2022-03-03 18:24:45,832 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) [2022-03-03 18:24:45,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 2709 transitions. [2022-03-03 18:24:45,833 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 2709 transitions. Word has length 115 [2022-03-03 18:24:45,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:45,834 INFO L470 AbstractCegarLoop]: Abstraction has 1466 states and 2709 transitions. [2022-03-03 18:24:45,834 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) [2022-03-03 18:24:45,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2709 transitions. [2022-03-03 18:24:45,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:45,835 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:45,835 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:45,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-03-03 18:24:45,835 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:45,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:45,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1825911722, now seen corresponding path program 14 times [2022-03-03 18:24:45,835 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:45,835 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093851214] [2022-03-03 18:24:45,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:45,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:46,131 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:46,131 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093851214] [2022-03-03 18:24:46,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093851214] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:46,131 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:46,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:46,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341484928] [2022-03-03 18:24:46,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:46,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:46,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:46,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:46,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:46,132 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) [2022-03-03 18:24:46,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:46,470 INFO L93 Difference]: Finished difference Result 1581 states and 2904 transitions. [2022-03-03 18:24:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:46,471 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 [2022-03-03 18:24:46,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:46,472 INFO L225 Difference]: With dead ends: 1581 [2022-03-03 18:24:46,472 INFO L226 Difference]: Without dead ends: 1581 [2022-03-03 18:24:46,472 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 [2022-03-03 18:24:46,473 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 [2022-03-03 18:24:46,473 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] [2022-03-03 18:24:46,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2022-03-03 18:24:46,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1469. [2022-03-03 18:24:46,483 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) [2022-03-03 18:24:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2715 transitions. [2022-03-03 18:24:46,485 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2715 transitions. Word has length 115 [2022-03-03 18:24:46,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:46,485 INFO L470 AbstractCegarLoop]: Abstraction has 1469 states and 2715 transitions. [2022-03-03 18:24:46,485 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) [2022-03-03 18:24:46,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2715 transitions. [2022-03-03 18:24:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:46,486 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:46,488 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, 1, 1] [2022-03-03 18:24:46,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-03-03 18:24:46,488 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:46,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:46,488 INFO L85 PathProgramCache]: Analyzing trace with hash 2120522406, now seen corresponding path program 15 times [2022-03-03 18:24:46,489 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:46,489 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577243945] [2022-03-03 18:24:46,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:46,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:46,800 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:46,801 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:46,801 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577243945] [2022-03-03 18:24:46,801 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577243945] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:46,801 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:46,801 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:46,801 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709280940] [2022-03-03 18:24:46,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:46,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:46,801 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:46,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:46,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:46,802 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) [2022-03-03 18:24:47,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:47,099 INFO L93 Difference]: Finished difference Result 1575 states and 2894 transitions. [2022-03-03 18:24:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:47,099 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 [2022-03-03 18:24:47,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:47,101 INFO L225 Difference]: With dead ends: 1575 [2022-03-03 18:24:47,101 INFO L226 Difference]: Without dead ends: 1575 [2022-03-03 18:24:47,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:24:47,101 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:47,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 590 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:24:47,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2022-03-03 18:24:47,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1451. [2022-03-03 18:24:47,111 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) [2022-03-03 18:24:47,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2679 transitions. [2022-03-03 18:24:47,112 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2679 transitions. Word has length 115 [2022-03-03 18:24:47,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:47,112 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 2679 transitions. [2022-03-03 18:24:47,112 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) [2022-03-03 18:24:47,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2679 transitions. [2022-03-03 18:24:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:47,113 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:47,113 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, 1] [2022-03-03 18:24:47,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-03-03 18:24:47,114 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:47,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:47,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1489953164, now seen corresponding path program 16 times [2022-03-03 18:24:47,114 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:47,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931509594] [2022-03-03 18:24:47,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:47,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:47,553 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:47,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:47,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931509594] [2022-03-03 18:24:47,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931509594] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:47,554 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:47,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:24:47,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383845730] [2022-03-03 18:24:47,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:47,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:24:47,554 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:47,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:24:47,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:24:47,554 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) [2022-03-03 18:24:48,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:48,425 INFO L93 Difference]: Finished difference Result 1794 states and 3284 transitions. [2022-03-03 18:24:48,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-03 18:24:48,426 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 [2022-03-03 18:24:48,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:48,428 INFO L225 Difference]: With dead ends: 1794 [2022-03-03 18:24:48,428 INFO L226 Difference]: Without dead ends: 1794 [2022-03-03 18:24:48,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2022-03-03 18:24:48,428 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 656 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:48,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [656 Valid, 1374 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:24:48,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2022-03-03 18:24:48,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1452. [2022-03-03 18:24:48,438 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) [2022-03-03 18:24:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 2681 transitions. [2022-03-03 18:24:48,440 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 2681 transitions. Word has length 115 [2022-03-03 18:24:48,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:48,440 INFO L470 AbstractCegarLoop]: Abstraction has 1452 states and 2681 transitions. [2022-03-03 18:24:48,440 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) [2022-03-03 18:24:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 2681 transitions. [2022-03-03 18:24:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:48,441 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:48,441 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:48,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-03-03 18:24:48,441 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:48,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:48,441 INFO L85 PathProgramCache]: Analyzing trace with hash -2003241076, now seen corresponding path program 17 times [2022-03-03 18:24:48,441 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:48,442 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122731884] [2022-03-03 18:24:48,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:48,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:48,901 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:48,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:48,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122731884] [2022-03-03 18:24:48,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122731884] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:48,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:48,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:48,901 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487738197] [2022-03-03 18:24:48,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:48,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:48,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:48,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:48,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:48,902 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) [2022-03-03 18:24:49,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:49,353 INFO L93 Difference]: Finished difference Result 1603 states and 2934 transitions. [2022-03-03 18:24:49,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:24:49,353 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 [2022-03-03 18:24:49,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:49,355 INFO L225 Difference]: With dead ends: 1603 [2022-03-03 18:24:49,355 INFO L226 Difference]: Without dead ends: 1603 [2022-03-03 18:24:49,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-03-03 18:24:49,355 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 106 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:49,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 545 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:24:49,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2022-03-03 18:24:49,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1453. [2022-03-03 18:24:49,365 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) [2022-03-03 18:24:49,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2683 transitions. [2022-03-03 18:24:49,366 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2683 transitions. Word has length 115 [2022-03-03 18:24:49,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:49,379 INFO L470 AbstractCegarLoop]: Abstraction has 1453 states and 2683 transitions. [2022-03-03 18:24:49,379 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) [2022-03-03 18:24:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2683 transitions. [2022-03-03 18:24:49,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:49,381 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:49,381 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:49,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-03-03 18:24:49,381 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:49,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:49,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1179682702, now seen corresponding path program 18 times [2022-03-03 18:24:49,382 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:49,382 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845917511] [2022-03-03 18:24:49,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:49,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:50,048 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:50,048 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:50,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845917511] [2022-03-03 18:24:50,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845917511] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:50,049 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:50,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:24:50,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542018252] [2022-03-03 18:24:50,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:50,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:24:50,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:50,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:24:50,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:24:50,049 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) [2022-03-03 18:24:50,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:50,912 INFO L93 Difference]: Finished difference Result 1775 states and 3246 transitions. [2022-03-03 18:24:50,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-03 18:24:50,912 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 [2022-03-03 18:24:50,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:50,915 INFO L225 Difference]: With dead ends: 1775 [2022-03-03 18:24:50,915 INFO L226 Difference]: Without dead ends: 1775 [2022-03-03 18:24:50,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=323, Invalid=1159, Unknown=0, NotChecked=0, Total=1482 [2022-03-03 18:24:50,915 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 627 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:50,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [627 Valid, 1094 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:24:50,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2022-03-03 18:24:50,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1450. [2022-03-03 18:24:50,942 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) [2022-03-03 18:24:50,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2677 transitions. [2022-03-03 18:24:50,944 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2677 transitions. Word has length 115 [2022-03-03 18:24:50,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:50,944 INFO L470 AbstractCegarLoop]: Abstraction has 1450 states and 2677 transitions. [2022-03-03 18:24:50,944 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) [2022-03-03 18:24:50,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2677 transitions. [2022-03-03 18:24:50,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:50,959 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:50,959 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, 1, 1] [2022-03-03 18:24:50,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-03-03 18:24:50,960 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:50,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:50,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2131155892, now seen corresponding path program 19 times [2022-03-03 18:24:50,960 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:50,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886556457] [2022-03-03 18:24:50,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:50,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:51,473 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:51,474 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:51,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886556457] [2022-03-03 18:24:51,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886556457] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:51,474 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:51,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:24:51,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317852325] [2022-03-03 18:24:51,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:51,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:24:51,474 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:51,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:24:51,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:24:51,475 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) [2022-03-03 18:24:52,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:52,156 INFO L93 Difference]: Finished difference Result 1726 states and 3167 transitions. [2022-03-03 18:24:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-03 18:24:52,156 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 [2022-03-03 18:24:52,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:52,158 INFO L225 Difference]: With dead ends: 1726 [2022-03-03 18:24:52,158 INFO L226 Difference]: Without dead ends: 1726 [2022-03-03 18:24:52,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=293, Invalid=1039, Unknown=0, NotChecked=0, Total=1332 [2022-03-03 18:24:52,160 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 646 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:52,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [646 Valid, 1391 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:24:52,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2022-03-03 18:24:52,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1441. [2022-03-03 18:24:52,170 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) [2022-03-03 18:24:52,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2659 transitions. [2022-03-03 18:24:52,172 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2659 transitions. Word has length 115 [2022-03-03 18:24:52,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:52,172 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2659 transitions. [2022-03-03 18:24:52,172 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) [2022-03-03 18:24:52,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2659 transitions. [2022-03-03 18:24:52,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:52,173 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:52,173 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, 1] [2022-03-03 18:24:52,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-03-03 18:24:52,173 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:52,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:52,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1362038348, now seen corresponding path program 20 times [2022-03-03 18:24:52,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:52,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513292667] [2022-03-03 18:24:52,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:52,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:52,702 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:52,703 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:52,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513292667] [2022-03-03 18:24:52,703 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513292667] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:52,703 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:52,703 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:52,703 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983572928] [2022-03-03 18:24:52,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:52,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:52,703 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:52,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:52,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:52,703 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) [2022-03-03 18:24:53,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:53,233 INFO L93 Difference]: Finished difference Result 1583 states and 2894 transitions. [2022-03-03 18:24:53,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:24:53,233 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 [2022-03-03 18:24:53,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:53,235 INFO L225 Difference]: With dead ends: 1583 [2022-03-03 18:24:53,235 INFO L226 Difference]: Without dead ends: 1583 [2022-03-03 18:24:53,235 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 [2022-03-03 18:24:53,235 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 [2022-03-03 18:24:53,235 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] [2022-03-03 18:24:53,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-03-03 18:24:53,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1442. [2022-03-03 18:24:53,245 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) [2022-03-03 18:24:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2661 transitions. [2022-03-03 18:24:53,246 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2661 transitions. Word has length 115 [2022-03-03 18:24:53,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:53,246 INFO L470 AbstractCegarLoop]: Abstraction has 1442 states and 2661 transitions. [2022-03-03 18:24:53,246 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) [2022-03-03 18:24:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2661 transitions. [2022-03-03 18:24:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:53,247 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:53,248 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:53,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-03-03 18:24:53,248 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:53,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:53,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1820885430, now seen corresponding path program 21 times [2022-03-03 18:24:53,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:53,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591909083] [2022-03-03 18:24:53,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:53,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:53,870 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:53,870 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591909083] [2022-03-03 18:24:53,870 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591909083] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:53,870 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:53,870 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:24:53,870 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162159677] [2022-03-03 18:24:53,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:53,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:24:53,870 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:53,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:24:53,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:24:53,871 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) [2022-03-03 18:24:54,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:54,802 INFO L93 Difference]: Finished difference Result 1755 states and 3206 transitions. [2022-03-03 18:24:54,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-03 18:24:54,802 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 [2022-03-03 18:24:54,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:54,804 INFO L225 Difference]: With dead ends: 1755 [2022-03-03 18:24:54,804 INFO L226 Difference]: Without dead ends: 1755 [2022-03-03 18:24:54,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=322, Invalid=1160, Unknown=0, NotChecked=0, Total=1482 [2022-03-03 18:24:54,804 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 664 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:54,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [664 Valid, 1558 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:24:54,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2022-03-03 18:24:54,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1440. [2022-03-03 18:24:54,814 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) [2022-03-03 18:24:54,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2657 transitions. [2022-03-03 18:24:54,831 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2657 transitions. Word has length 115 [2022-03-03 18:24:54,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:54,831 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2657 transitions. [2022-03-03 18:24:54,831 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) [2022-03-03 18:24:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2657 transitions. [2022-03-03 18:24:54,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:54,832 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:54,832 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:54,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-03-03 18:24:54,833 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:54,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:54,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2088934690, now seen corresponding path program 22 times [2022-03-03 18:24:54,833 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:54,833 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704562344] [2022-03-03 18:24:54,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:54,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:55,209 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:55,209 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704562344] [2022-03-03 18:24:55,209 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704562344] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:55,209 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:55,209 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:55,209 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245731113] [2022-03-03 18:24:55,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:55,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:55,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:55,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:55,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:55,210 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) [2022-03-03 18:24:55,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:55,563 INFO L93 Difference]: Finished difference Result 1514 states and 2784 transitions. [2022-03-03 18:24:55,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 18:24:55,563 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 [2022-03-03 18:24:55,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:55,565 INFO L225 Difference]: With dead ends: 1514 [2022-03-03 18:24:55,565 INFO L226 Difference]: Without dead ends: 1514 [2022-03-03 18:24:55,565 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 [2022-03-03 18:24:55,565 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 [2022-03-03 18:24:55,565 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] [2022-03-03 18:24:55,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2022-03-03 18:24:55,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1440. [2022-03-03 18:24:55,574 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) [2022-03-03 18:24:55,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2657 transitions. [2022-03-03 18:24:55,576 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2657 transitions. Word has length 115 [2022-03-03 18:24:55,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:55,576 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2657 transitions. [2022-03-03 18:24:55,576 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) [2022-03-03 18:24:55,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2657 transitions. [2022-03-03 18:24:55,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:55,577 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:55,577 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:55,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-03-03 18:24:55,577 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:55,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:55,578 INFO L85 PathProgramCache]: Analyzing trace with hash 49289922, now seen corresponding path program 23 times [2022-03-03 18:24:55,578 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:55,578 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703285000] [2022-03-03 18:24:55,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:55,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:56,108 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:56,108 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:56,108 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703285000] [2022-03-03 18:24:56,108 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703285000] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:56,108 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:56,108 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:24:56,108 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975801998] [2022-03-03 18:24:56,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:56,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:24:56,109 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:56,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:24:56,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:24:56,109 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) [2022-03-03 18:24:57,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:57,021 INFO L93 Difference]: Finished difference Result 1717 states and 3139 transitions. [2022-03-03 18:24:57,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-03 18:24:57,021 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 [2022-03-03 18:24:57,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:57,023 INFO L225 Difference]: With dead ends: 1717 [2022-03-03 18:24:57,023 INFO L226 Difference]: Without dead ends: 1717 [2022-03-03 18:24:57,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=344, Invalid=1216, Unknown=0, NotChecked=0, Total=1560 [2022-03-03 18:24:57,023 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 761 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:57,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [761 Valid, 1494 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:24:57,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-03-03 18:24:57,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1441. [2022-03-03 18:24:57,034 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) [2022-03-03 18:24:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 2659 transitions. [2022-03-03 18:24:57,035 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 2659 transitions. Word has length 115 [2022-03-03 18:24:57,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:57,035 INFO L470 AbstractCegarLoop]: Abstraction has 1441 states and 2659 transitions. [2022-03-03 18:24:57,035 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) [2022-03-03 18:24:57,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2659 transitions. [2022-03-03 18:24:57,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:57,036 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:57,036 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:57,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-03-03 18:24:57,037 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:57,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:57,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1062753596, now seen corresponding path program 24 times [2022-03-03 18:24:57,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:57,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599459317] [2022-03-03 18:24:57,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:57,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:57,496 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:57,496 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:57,496 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599459317] [2022-03-03 18:24:57,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599459317] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:57,496 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:57,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:24:57,497 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328974871] [2022-03-03 18:24:57,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:57,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:24:57,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:57,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:24:57,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:24:57,497 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) [2022-03-03 18:24:58,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:58,515 INFO L93 Difference]: Finished difference Result 1706 states and 3127 transitions. [2022-03-03 18:24:58,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-03 18:24:58,515 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 [2022-03-03 18:24:58,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:58,517 INFO L225 Difference]: With dead ends: 1706 [2022-03-03 18:24:58,517 INFO L226 Difference]: Without dead ends: 1706 [2022-03-03 18:24:58,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=338, Invalid=1144, Unknown=0, NotChecked=0, Total=1482 [2022-03-03 18:24:58,517 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:24:58,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [726 Valid, 1422 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:24:58,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2022-03-03 18:24:58,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1440. [2022-03-03 18:24:58,530 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) [2022-03-03 18:24:58,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2657 transitions. [2022-03-03 18:24:58,531 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2657 transitions. Word has length 115 [2022-03-03 18:24:58,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:58,531 INFO L470 AbstractCegarLoop]: Abstraction has 1440 states and 2657 transitions. [2022-03-03 18:24:58,531 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) [2022-03-03 18:24:58,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2657 transitions. [2022-03-03 18:24:58,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:58,532 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:58,532 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:58,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-03-03 18:24:58,533 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:58,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:58,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1384961470, now seen corresponding path program 2 times [2022-03-03 18:24:58,533 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:58,533 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232986179] [2022-03-03 18:24:58,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:58,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:58,976 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:58,976 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:58,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232986179] [2022-03-03 18:24:58,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232986179] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:58,976 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:58,976 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:58,976 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3206061] [2022-03-03 18:24:58,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:58,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:58,977 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:58,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:58,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:58,977 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) [2022-03-03 18:24:59,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:59,426 INFO L93 Difference]: Finished difference Result 1694 states and 3084 transitions. [2022-03-03 18:24:59,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:24:59,426 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 [2022-03-03 18:24:59,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:59,428 INFO L225 Difference]: With dead ends: 1694 [2022-03-03 18:24:59,428 INFO L226 Difference]: Without dead ends: 1694 [2022-03-03 18:24:59,428 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 [2022-03-03 18:24:59,428 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 [2022-03-03 18:24:59,429 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] [2022-03-03 18:24:59,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2022-03-03 18:24:59,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1416. [2022-03-03 18:24:59,439 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) [2022-03-03 18:24:59,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 2609 transitions. [2022-03-03 18:24:59,440 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 2609 transitions. Word has length 115 [2022-03-03 18:24:59,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:59,440 INFO L470 AbstractCegarLoop]: Abstraction has 1416 states and 2609 transitions. [2022-03-03 18:24:59,440 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) [2022-03-03 18:24:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2609 transitions. [2022-03-03 18:24:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:59,441 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:59,441 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:59,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-03-03 18:24:59,441 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:59,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:59,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1293879257, now seen corresponding path program 6 times [2022-03-03 18:24:59,442 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:59,442 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758160375] [2022-03-03 18:24:59,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:59,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:24:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:24:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:24:59,619 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:24:59,619 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758160375] [2022-03-03 18:24:59,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758160375] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:24:59,619 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:24:59,619 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:24:59,619 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605662559] [2022-03-03 18:24:59,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:24:59,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:24:59,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:24:59,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:24:59,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:24:59,619 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) [2022-03-03 18:24:59,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:24:59,968 INFO L93 Difference]: Finished difference Result 1754 states and 3199 transitions. [2022-03-03 18:24:59,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:24:59,968 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 [2022-03-03 18:24:59,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:24:59,970 INFO L225 Difference]: With dead ends: 1754 [2022-03-03 18:24:59,970 INFO L226 Difference]: Without dead ends: 1754 [2022-03-03 18:24:59,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2022-03-03 18:24:59,970 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 [2022-03-03 18:24:59,971 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] [2022-03-03 18:24:59,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2022-03-03 18:24:59,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1417. [2022-03-03 18:24:59,988 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) [2022-03-03 18:24:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2611 transitions. [2022-03-03 18:24:59,990 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2611 transitions. Word has length 115 [2022-03-03 18:24:59,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:24:59,990 INFO L470 AbstractCegarLoop]: Abstraction has 1417 states and 2611 transitions. [2022-03-03 18:24:59,990 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) [2022-03-03 18:24:59,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2611 transitions. [2022-03-03 18:24:59,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:24:59,991 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:24:59,991 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:24:59,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-03-03 18:24:59,991 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:24:59,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:24:59,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1293848567, now seen corresponding path program 7 times [2022-03-03 18:24:59,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:24:59,991 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546122421] [2022-03-03 18:24:59,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:24:59,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:00,291 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:00,291 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546122421] [2022-03-03 18:25:00,291 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546122421] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:00,291 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:00,291 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:00,291 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203438125] [2022-03-03 18:25:00,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:00,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:00,291 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:00,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:00,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:00,292 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) [2022-03-03 18:25:00,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:00,746 INFO L93 Difference]: Finished difference Result 1726 states and 3144 transitions. [2022-03-03 18:25:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:00,746 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 [2022-03-03 18:25:00,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:00,748 INFO L225 Difference]: With dead ends: 1726 [2022-03-03 18:25:00,748 INFO L226 Difference]: Without dead ends: 1726 [2022-03-03 18:25:00,748 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 [2022-03-03 18:25:00,748 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 [2022-03-03 18:25:00,748 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] [2022-03-03 18:25:00,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2022-03-03 18:25:00,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1407. [2022-03-03 18:25:00,759 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) [2022-03-03 18:25:00,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 2591 transitions. [2022-03-03 18:25:00,760 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 2591 transitions. Word has length 115 [2022-03-03 18:25:00,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:00,760 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 2591 transitions. [2022-03-03 18:25:00,760 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) [2022-03-03 18:25:00,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2591 transitions. [2022-03-03 18:25:00,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:00,761 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:00,761 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, 1] [2022-03-03 18:25:00,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-03-03 18:25:00,762 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:00,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:00,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1867641571, now seen corresponding path program 8 times [2022-03-03 18:25:00,762 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:00,762 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245368668] [2022-03-03 18:25:00,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:00,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:01,058 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:01,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245368668] [2022-03-03 18:25:01,058 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245368668] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:01,058 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:01,058 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:01,058 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446886706] [2022-03-03 18:25:01,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:01,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:01,058 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:01,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:01,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:01,059 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) [2022-03-03 18:25:01,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:01,402 INFO L93 Difference]: Finished difference Result 1689 states and 3071 transitions. [2022-03-03 18:25:01,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:01,403 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 [2022-03-03 18:25:01,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:01,405 INFO L225 Difference]: With dead ends: 1689 [2022-03-03 18:25:01,405 INFO L226 Difference]: Without dead ends: 1689 [2022-03-03 18:25:01,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:25:01,405 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 227 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:01,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 466 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:01,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2022-03-03 18:25:01,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1394. [2022-03-03 18:25:01,419 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) [2022-03-03 18:25:01,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2565 transitions. [2022-03-03 18:25:01,420 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2565 transitions. Word has length 115 [2022-03-03 18:25:01,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:01,420 INFO L470 AbstractCegarLoop]: Abstraction has 1394 states and 2565 transitions. [2022-03-03 18:25:01,420 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) [2022-03-03 18:25:01,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2565 transitions. [2022-03-03 18:25:01,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:01,421 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:01,421 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:01,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-03-03 18:25:01,422 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:01,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:01,422 INFO L85 PathProgramCache]: Analyzing trace with hash 413002505, now seen corresponding path program 9 times [2022-03-03 18:25:01,422 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:01,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678873041] [2022-03-03 18:25:01,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:01,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:01,776 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:01,776 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:01,776 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678873041] [2022-03-03 18:25:01,776 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678873041] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:01,776 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:01,776 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:01,776 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258158849] [2022-03-03 18:25:01,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:01,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:01,777 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:01,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:01,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:01,777 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) [2022-03-03 18:25:02,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:02,116 INFO L93 Difference]: Finished difference Result 1675 states and 3045 transitions. [2022-03-03 18:25:02,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:02,117 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 [2022-03-03 18:25:02,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:02,119 INFO L225 Difference]: With dead ends: 1675 [2022-03-03 18:25:02,119 INFO L226 Difference]: Without dead ends: 1675 [2022-03-03 18:25:02,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:25:02,119 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 203 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:25:02,119 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] [2022-03-03 18:25:02,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2022-03-03 18:25:02,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1377. [2022-03-03 18:25:02,132 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) [2022-03-03 18:25:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 2537 transitions. [2022-03-03 18:25:02,133 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 2537 transitions. Word has length 115 [2022-03-03 18:25:02,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:02,134 INFO L470 AbstractCegarLoop]: Abstraction has 1377 states and 2537 transitions. [2022-03-03 18:25:02,134 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) [2022-03-03 18:25:02,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 2537 transitions. [2022-03-03 18:25:02,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:02,135 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:02,135 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] [2022-03-03 18:25:02,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-03-03 18:25:02,135 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:02,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:02,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1173619534, now seen corresponding path program 25 times [2022-03-03 18:25:02,135 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:02,135 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801510351] [2022-03-03 18:25:02,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:02,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:02,512 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:02,513 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:02,513 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801510351] [2022-03-03 18:25:02,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801510351] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:02,513 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:02,513 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:25:02,513 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265289471] [2022-03-03 18:25:02,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:02,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:25:02,513 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:02,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:25:02,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:25:02,514 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) [2022-03-03 18:25:03,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:03,001 INFO L93 Difference]: Finished difference Result 1728 states and 3142 transitions. [2022-03-03 18:25:03,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:25:03,001 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 [2022-03-03 18:25:03,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:03,003 INFO L225 Difference]: With dead ends: 1728 [2022-03-03 18:25:03,003 INFO L226 Difference]: Without dead ends: 1728 [2022-03-03 18:25:03,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-03-03 18:25:03,003 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 217 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:03,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 549 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 18:25:03,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-03-03 18:25:03,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1361. [2022-03-03 18:25:03,014 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) [2022-03-03 18:25:03,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 2505 transitions. [2022-03-03 18:25:03,015 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 2505 transitions. Word has length 115 [2022-03-03 18:25:03,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:03,015 INFO L470 AbstractCegarLoop]: Abstraction has 1361 states and 2505 transitions. [2022-03-03 18:25:03,015 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) [2022-03-03 18:25:03,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 2505 transitions. [2022-03-03 18:25:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:03,016 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:03,016 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:03,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-03-03 18:25:03,016 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:03,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:03,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1276121356, now seen corresponding path program 26 times [2022-03-03 18:25:03,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:03,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18239205] [2022-03-03 18:25:03,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:03,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:03,266 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:03,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:03,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18239205] [2022-03-03 18:25:03,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18239205] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:03,266 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:03,266 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:03,266 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967345576] [2022-03-03 18:25:03,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:03,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:03,267 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:03,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:03,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:03,267 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) [2022-03-03 18:25:03,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:03,626 INFO L93 Difference]: Finished difference Result 1702 states and 3091 transitions. [2022-03-03 18:25:03,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:03,626 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 [2022-03-03 18:25:03,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:03,628 INFO L225 Difference]: With dead ends: 1702 [2022-03-03 18:25:03,628 INFO L226 Difference]: Without dead ends: 1702 [2022-03-03 18:25:03,628 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 [2022-03-03 18:25:03,628 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 [2022-03-03 18:25:03,628 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] [2022-03-03 18:25:03,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2022-03-03 18:25:03,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1333. [2022-03-03 18:25:03,638 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) [2022-03-03 18:25:03,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 2449 transitions. [2022-03-03 18:25:03,640 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 2449 transitions. Word has length 115 [2022-03-03 18:25:03,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:03,640 INFO L470 AbstractCegarLoop]: Abstraction has 1333 states and 2449 transitions. [2022-03-03 18:25:03,640 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) [2022-03-03 18:25:03,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 2449 transitions. [2022-03-03 18:25:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:03,641 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:03,641 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, 1, 1] [2022-03-03 18:25:03,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-03-03 18:25:03,641 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:03,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:03,641 INFO L85 PathProgramCache]: Analyzing trace with hash -838391602, now seen corresponding path program 27 times [2022-03-03 18:25:03,641 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:03,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406917875] [2022-03-03 18:25:03,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:03,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:03,973 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:03,973 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:03,973 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406917875] [2022-03-03 18:25:03,973 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406917875] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:03,973 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:03,973 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:03,973 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451054661] [2022-03-03 18:25:03,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:03,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:03,974 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:03,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:03,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:03,974 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) [2022-03-03 18:25:04,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:04,296 INFO L93 Difference]: Finished difference Result 1690 states and 3069 transitions. [2022-03-03 18:25:04,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:04,296 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 [2022-03-03 18:25:04,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:04,298 INFO L225 Difference]: With dead ends: 1690 [2022-03-03 18:25:04,298 INFO L226 Difference]: Without dead ends: 1690 [2022-03-03 18:25:04,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:25:04,298 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 213 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:25:04,298 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] [2022-03-03 18:25:04,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2022-03-03 18:25:04,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1083. [2022-03-03 18:25:04,306 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) [2022-03-03 18:25:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-03-03 18:25:04,307 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-03-03 18:25:04,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:04,308 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-03-03 18:25:04,308 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) [2022-03-03 18:25:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-03-03 18:25:04,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:04,308 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:04,309 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:04,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-03-03 18:25:04,309 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:04,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:04,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1179708835, now seen corresponding path program 10 times [2022-03-03 18:25:04,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:04,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575948863] [2022-03-03 18:25:04,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:04,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:04,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:04,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575948863] [2022-03-03 18:25:04,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575948863] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:04,682 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:04,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:04,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657312983] [2022-03-03 18:25:04,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:04,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:04,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:04,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:04,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:04,683 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) [2022-03-03 18:25:04,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:04,994 INFO L93 Difference]: Finished difference Result 1117 states and 2008 transitions. [2022-03-03 18:25:04,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:04,994 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 [2022-03-03 18:25:04,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:04,995 INFO L225 Difference]: With dead ends: 1117 [2022-03-03 18:25:04,995 INFO L226 Difference]: Without dead ends: 1117 [2022-03-03 18:25:04,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:25:04,995 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 145 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:04,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 472 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:04,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2022-03-03 18:25:05,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1083. [2022-03-03 18:25:05,002 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) [2022-03-03 18:25:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-03-03 18:25:05,003 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-03-03 18:25:05,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:05,003 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-03-03 18:25:05,004 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) [2022-03-03 18:25:05,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-03-03 18:25:05,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:05,004 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:05,005 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, 1] [2022-03-03 18:25:05,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-03-03 18:25:05,005 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:05,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:05,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1813807177, now seen corresponding path program 11 times [2022-03-03 18:25:05,005 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:05,005 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564622657] [2022-03-03 18:25:05,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:05,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:05,375 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:05,375 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:05,375 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564622657] [2022-03-03 18:25:05,375 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564622657] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:05,375 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:05,375 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:05,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335085447] [2022-03-03 18:25:05,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:05,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:05,376 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:05,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:05,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:05,376 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) [2022-03-03 18:25:05,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:05,672 INFO L93 Difference]: Finished difference Result 1137 states and 2046 transitions. [2022-03-03 18:25:05,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:05,672 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 [2022-03-03 18:25:05,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:05,673 INFO L225 Difference]: With dead ends: 1137 [2022-03-03 18:25:05,673 INFO L226 Difference]: Without dead ends: 1137 [2022-03-03 18:25:05,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:25:05,674 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 127 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:25:05,674 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] [2022-03-03 18:25:05,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2022-03-03 18:25:05,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1083. [2022-03-03 18:25:05,681 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) [2022-03-03 18:25:05,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-03-03 18:25:05,682 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-03-03 18:25:05,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:05,682 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-03-03 18:25:05,683 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) [2022-03-03 18:25:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-03-03 18:25:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:05,683 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:05,684 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] [2022-03-03 18:25:05,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-03-03 18:25:05,684 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:05,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:05,684 INFO L85 PathProgramCache]: Analyzing trace with hash 748683199, now seen corresponding path program 12 times [2022-03-03 18:25:05,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:05,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845650397] [2022-03-03 18:25:05,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:05,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:06,145 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:06,146 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845650397] [2022-03-03 18:25:06,146 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845650397] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:06,146 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:06,146 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:06,146 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176041650] [2022-03-03 18:25:06,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:06,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:06,146 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:06,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:06,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:06,146 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) [2022-03-03 18:25:06,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:06,493 INFO L93 Difference]: Finished difference Result 1152 states and 2076 transitions. [2022-03-03 18:25:06,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:06,494 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 [2022-03-03 18:25:06,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:06,495 INFO L225 Difference]: With dead ends: 1152 [2022-03-03 18:25:06,495 INFO L226 Difference]: Without dead ends: 1152 [2022-03-03 18:25:06,495 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 [2022-03-03 18:25:06,495 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 [2022-03-03 18:25:06,495 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] [2022-03-03 18:25:06,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2022-03-03 18:25:06,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1083. [2022-03-03 18:25:06,502 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) [2022-03-03 18:25:06,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1956 transitions. [2022-03-03 18:25:06,503 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1956 transitions. Word has length 115 [2022-03-03 18:25:06,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:06,503 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1956 transitions. [2022-03-03 18:25:06,503 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) [2022-03-03 18:25:06,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1956 transitions. [2022-03-03 18:25:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:06,504 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:06,504 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:06,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-03-03 18:25:06,504 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:06,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:06,505 INFO L85 PathProgramCache]: Analyzing trace with hash 192447189, now seen corresponding path program 13 times [2022-03-03 18:25:06,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:06,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524287332] [2022-03-03 18:25:06,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:06,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:06,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:06,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524287332] [2022-03-03 18:25:06,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524287332] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:06,917 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:06,917 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:06,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126440709] [2022-03-03 18:25:06,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:06,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:06,917 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:06,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:06,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:06,918 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) [2022-03-03 18:25:07,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:07,270 INFO L93 Difference]: Finished difference Result 1135 states and 2048 transitions. [2022-03-03 18:25:07,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:07,270 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 [2022-03-03 18:25:07,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:07,272 INFO L225 Difference]: With dead ends: 1135 [2022-03-03 18:25:07,272 INFO L226 Difference]: Without dead ends: 1135 [2022-03-03 18:25:07,272 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 [2022-03-03 18:25:07,272 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 [2022-03-03 18:25:07,272 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] [2022-03-03 18:25:07,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-03-03 18:25:07,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1054. [2022-03-03 18:25:07,281 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) [2022-03-03 18:25:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1904 transitions. [2022-03-03 18:25:07,282 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1904 transitions. Word has length 115 [2022-03-03 18:25:07,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:07,282 INFO L470 AbstractCegarLoop]: Abstraction has 1054 states and 1904 transitions. [2022-03-03 18:25:07,282 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) [2022-03-03 18:25:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1904 transitions. [2022-03-03 18:25:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:07,283 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:07,283 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:07,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-03-03 18:25:07,284 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:07,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:07,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1332858260, now seen corresponding path program 28 times [2022-03-03 18:25:07,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:07,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222837684] [2022-03-03 18:25:07,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:07,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:07,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:07,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222837684] [2022-03-03 18:25:07,527 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222837684] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:07,527 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:07,527 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:07,527 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327848750] [2022-03-03 18:25:07,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:07,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:07,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:07,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:07,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:07,527 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) [2022-03-03 18:25:08,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:08,105 INFO L93 Difference]: Finished difference Result 1136 states and 2050 transitions. [2022-03-03 18:25:08,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-03 18:25:08,105 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 [2022-03-03 18:25:08,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:08,106 INFO L225 Difference]: With dead ends: 1136 [2022-03-03 18:25:08,106 INFO L226 Difference]: Without dead ends: 1136 [2022-03-03 18:25:08,107 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 [2022-03-03 18:25:08,107 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 [2022-03-03 18:25:08,107 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] [2022-03-03 18:25:08,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-03-03 18:25:08,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1056. [2022-03-03 18:25:08,114 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) [2022-03-03 18:25:08,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1908 transitions. [2022-03-03 18:25:08,115 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1908 transitions. Word has length 115 [2022-03-03 18:25:08,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:08,116 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1908 transitions. [2022-03-03 18:25:08,116 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) [2022-03-03 18:25:08,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1908 transitions. [2022-03-03 18:25:08,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:08,116 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:08,117 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:08,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-03-03 18:25:08,117 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:08,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:08,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1246401740, now seen corresponding path program 29 times [2022-03-03 18:25:08,117 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:08,117 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995139656] [2022-03-03 18:25:08,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:08,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:08,477 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:08,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995139656] [2022-03-03 18:25:08,477 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995139656] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:08,477 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:08,477 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:08,477 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112782943] [2022-03-03 18:25:08,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:08,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:08,477 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:08,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:08,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:08,478 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) [2022-03-03 18:25:08,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:08,735 INFO L93 Difference]: Finished difference Result 1151 states and 2068 transitions. [2022-03-03 18:25:08,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:08,735 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 [2022-03-03 18:25:08,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:08,736 INFO L225 Difference]: With dead ends: 1151 [2022-03-03 18:25:08,736 INFO L226 Difference]: Without dead ends: 1151 [2022-03-03 18:25:08,736 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 [2022-03-03 18:25:08,737 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 [2022-03-03 18:25:08,737 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] [2022-03-03 18:25:08,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-03-03 18:25:08,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1060. [2022-03-03 18:25:08,744 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) [2022-03-03 18:25:08,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1916 transitions. [2022-03-03 18:25:08,745 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1916 transitions. Word has length 115 [2022-03-03 18:25:08,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:08,745 INFO L470 AbstractCegarLoop]: Abstraction has 1060 states and 1916 transitions. [2022-03-03 18:25:08,745 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) [2022-03-03 18:25:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1916 transitions. [2022-03-03 18:25:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:08,746 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:08,746 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, 1, 1] [2022-03-03 18:25:08,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-03-03 18:25:08,746 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:08,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:08,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1405122190, now seen corresponding path program 30 times [2022-03-03 18:25:08,746 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:08,746 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018379661] [2022-03-03 18:25:08,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:08,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:09,171 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:09,171 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:09,171 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018379661] [2022-03-03 18:25:09,171 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018379661] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:09,171 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:09,171 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:09,171 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821446513] [2022-03-03 18:25:09,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:09,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:09,171 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:09,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:09,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:09,172 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) [2022-03-03 18:25:09,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:09,476 INFO L93 Difference]: Finished difference Result 1144 states and 2055 transitions. [2022-03-03 18:25:09,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:09,477 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 [2022-03-03 18:25:09,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:09,478 INFO L225 Difference]: With dead ends: 1144 [2022-03-03 18:25:09,478 INFO L226 Difference]: Without dead ends: 1144 [2022-03-03 18:25:09,478 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 [2022-03-03 18:25:09,478 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 [2022-03-03 18:25:09,478 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] [2022-03-03 18:25:09,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2022-03-03 18:25:09,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1063. [2022-03-03 18:25:09,485 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) [2022-03-03 18:25:09,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1922 transitions. [2022-03-03 18:25:09,486 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1922 transitions. Word has length 115 [2022-03-03 18:25:09,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:09,486 INFO L470 AbstractCegarLoop]: Abstraction has 1063 states and 1922 transitions. [2022-03-03 18:25:09,487 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) [2022-03-03 18:25:09,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1922 transitions. [2022-03-03 18:25:09,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:09,488 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:09,488 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, 1, 1] [2022-03-03 18:25:09,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-03-03 18:25:09,488 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:09,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:09,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1110511506, now seen corresponding path program 31 times [2022-03-03 18:25:09,493 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:09,493 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578438993] [2022-03-03 18:25:09,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:09,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:10,438 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:10,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578438993] [2022-03-03 18:25:10,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578438993] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:10,438 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:10,438 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:25:10,438 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121832247] [2022-03-03 18:25:10,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:10,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:25:10,439 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:10,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:25:10,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:25:10,439 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) [2022-03-03 18:25:11,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:11,482 INFO L93 Difference]: Finished difference Result 1664 states and 3022 transitions. [2022-03-03 18:25:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-03 18:25:11,482 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 [2022-03-03 18:25:11,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:11,484 INFO L225 Difference]: With dead ends: 1664 [2022-03-03 18:25:11,484 INFO L226 Difference]: Without dead ends: 1664 [2022-03-03 18:25:11,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=286, Invalid=1046, Unknown=0, NotChecked=0, Total=1332 [2022-03-03 18:25:11,484 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, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:11,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [653 Valid, 871 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 18:25:11,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2022-03-03 18:25:11,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1045. [2022-03-03 18:25:11,493 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) [2022-03-03 18:25:11,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1886 transitions. [2022-03-03 18:25:11,494 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1886 transitions. Word has length 115 [2022-03-03 18:25:11,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:11,494 INFO L470 AbstractCegarLoop]: Abstraction has 1045 states and 1886 transitions. [2022-03-03 18:25:11,494 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) [2022-03-03 18:25:11,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1886 transitions. [2022-03-03 18:25:11,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:11,495 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:11,495 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:11,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-03-03 18:25:11,495 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:11,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:11,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1741080748, now seen corresponding path program 32 times [2022-03-03 18:25:11,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:11,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118798650] [2022-03-03 18:25:11,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:11,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:12,490 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:12,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118798650] [2022-03-03 18:25:12,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118798650] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:12,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:12,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:25:12,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225976478] [2022-03-03 18:25:12,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:12,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:25:12,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:12,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:25:12,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:25:12,491 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) [2022-03-03 18:25:13,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:13,914 INFO L93 Difference]: Finished difference Result 1643 states and 2983 transitions. [2022-03-03 18:25:13,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-03 18:25:13,914 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 [2022-03-03 18:25:13,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:13,916 INFO L225 Difference]: With dead ends: 1643 [2022-03-03 18:25:13,916 INFO L226 Difference]: Without dead ends: 1643 [2022-03-03 18:25:13,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=305, Invalid=1101, Unknown=0, NotChecked=0, Total=1406 [2022-03-03 18:25:13,916 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 [2022-03-03 18:25:13,917 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] [2022-03-03 18:25:13,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1643 states. [2022-03-03 18:25:13,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1643 to 1036. [2022-03-03 18:25:13,924 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) [2022-03-03 18:25:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1868 transitions. [2022-03-03 18:25:13,925 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1868 transitions. Word has length 115 [2022-03-03 18:25:13,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:13,925 INFO L470 AbstractCegarLoop]: Abstraction has 1036 states and 1868 transitions. [2022-03-03 18:25:13,925 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) [2022-03-03 18:25:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1868 transitions. [2022-03-03 18:25:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:13,926 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:13,926 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:13,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-03-03 18:25:13,926 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:13,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:13,927 INFO L85 PathProgramCache]: Analyzing trace with hash -939307692, now seen corresponding path program 33 times [2022-03-03 18:25:13,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:13,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009199017] [2022-03-03 18:25:13,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:13,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:14,700 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:14,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:14,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009199017] [2022-03-03 18:25:14,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009199017] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:14,700 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:14,700 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:14,700 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838263171] [2022-03-03 18:25:14,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:14,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:14,701 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:14,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:14,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:14,701 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) [2022-03-03 18:25:15,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:15,346 INFO L93 Difference]: Finished difference Result 1099 states and 1970 transitions. [2022-03-03 18:25:15,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:15,347 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 [2022-03-03 18:25:15,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:15,348 INFO L225 Difference]: With dead ends: 1099 [2022-03-03 18:25:15,348 INFO L226 Difference]: Without dead ends: 1099 [2022-03-03 18:25:15,348 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 [2022-03-03 18:25:15,348 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 [2022-03-03 18:25:15,348 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] [2022-03-03 18:25:15,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2022-03-03 18:25:15,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1035. [2022-03-03 18:25:15,355 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) [2022-03-03 18:25:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1867 transitions. [2022-03-03 18:25:15,356 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1867 transitions. Word has length 115 [2022-03-03 18:25:15,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:15,356 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1867 transitions. [2022-03-03 18:25:15,356 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) [2022-03-03 18:25:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1867 transitions. [2022-03-03 18:25:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-03-03 18:25:15,357 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:15,363 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:15,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-03-03 18:25:15,364 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:15,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:15,364 INFO L85 PathProgramCache]: Analyzing trace with hash -2051351210, now seen corresponding path program 34 times [2022-03-03 18:25:15,364 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:15,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541998980] [2022-03-03 18:25:15,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:15,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:16,548 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:16,548 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541998980] [2022-03-03 18:25:16,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541998980] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:16,549 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:16,549 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-03-03 18:25:16,549 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045408834] [2022-03-03 18:25:16,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:16,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 18:25:16,549 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:16,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 18:25:16,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:25:16,549 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) [2022-03-03 18:25:17,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:17,854 INFO L93 Difference]: Finished difference Result 1624 states and 2945 transitions. [2022-03-03 18:25:17,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-03 18:25:17,854 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 [2022-03-03 18:25:17,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:17,856 INFO L225 Difference]: With dead ends: 1624 [2022-03-03 18:25:17,856 INFO L226 Difference]: Without dead ends: 1624 [2022-03-03 18:25:17,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=325, Invalid=1157, Unknown=0, NotChecked=0, Total=1482 [2022-03-03 18:25:17,856 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 [2022-03-03 18:25:17,856 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] [2022-03-03 18:25:17,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2022-03-03 18:25:17,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1002. [2022-03-03 18:25:17,865 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) [2022-03-03 18:25:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1810 transitions. [2022-03-03 18:25:17,866 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1810 transitions. Word has length 115 [2022-03-03 18:25:17,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:17,866 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1810 transitions. [2022-03-03 18:25:17,866 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) [2022-03-03 18:25:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1810 transitions. [2022-03-03 18:25:17,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:17,866 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:17,867 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:17,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-03-03 18:25:17,867 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:17,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:17,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1742353774, now seen corresponding path program 1 times [2022-03-03 18:25:17,867 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:17,867 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383153797] [2022-03-03 18:25:17,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:17,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:18,371 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:18,371 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383153797] [2022-03-03 18:25:18,371 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383153797] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:18,371 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:18,371 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:18,371 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571269856] [2022-03-03 18:25:18,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:18,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:18,371 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:18,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:18,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:18,372 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) [2022-03-03 18:25:18,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:18,897 INFO L93 Difference]: Finished difference Result 1714 states and 3122 transitions. [2022-03-03 18:25:18,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:25:18,897 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 [2022-03-03 18:25:18,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:18,899 INFO L225 Difference]: With dead ends: 1714 [2022-03-03 18:25:18,899 INFO L226 Difference]: Without dead ends: 1686 [2022-03-03 18:25:18,899 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 [2022-03-03 18:25:18,899 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 [2022-03-03 18:25:18,900 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] [2022-03-03 18:25:18,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-03-03 18:25:18,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1056. [2022-03-03 18:25:18,909 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) [2022-03-03 18:25:18,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1918 transitions. [2022-03-03 18:25:18,910 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1918 transitions. Word has length 116 [2022-03-03 18:25:18,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:18,910 INFO L470 AbstractCegarLoop]: Abstraction has 1056 states and 1918 transitions. [2022-03-03 18:25:18,910 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) [2022-03-03 18:25:18,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1918 transitions. [2022-03-03 18:25:18,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:18,911 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:18,911 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, 1, 1, 1] [2022-03-03 18:25:18,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-03-03 18:25:18,912 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:18,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:18,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1786362070, now seen corresponding path program 1 times [2022-03-03 18:25:18,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:18,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150564732] [2022-03-03 18:25:18,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:18,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:19,159 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:19,159 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150564732] [2022-03-03 18:25:19,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150564732] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:19,159 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:19,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:19,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028584345] [2022-03-03 18:25:19,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:19,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:19,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:19,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:19,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:19,160 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) [2022-03-03 18:25:19,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:19,653 INFO L93 Difference]: Finished difference Result 1819 states and 3278 transitions. [2022-03-03 18:25:19,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:25:19,653 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 [2022-03-03 18:25:19,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:19,655 INFO L225 Difference]: With dead ends: 1819 [2022-03-03 18:25:19,655 INFO L226 Difference]: Without dead ends: 1775 [2022-03-03 18:25:19,655 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 [2022-03-03 18:25:19,655 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 [2022-03-03 18:25:19,655 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] [2022-03-03 18:25:19,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2022-03-03 18:25:19,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1349. [2022-03-03 18:25:19,667 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) [2022-03-03 18:25:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 2499 transitions. [2022-03-03 18:25:19,668 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 2499 transitions. Word has length 116 [2022-03-03 18:25:19,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:19,668 INFO L470 AbstractCegarLoop]: Abstraction has 1349 states and 2499 transitions. [2022-03-03 18:25:19,668 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) [2022-03-03 18:25:19,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2499 transitions. [2022-03-03 18:25:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:19,669 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:19,669 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:19,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-03-03 18:25:19,669 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:19,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:19,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1082142128, now seen corresponding path program 2 times [2022-03-03 18:25:19,670 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:19,670 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724885224] [2022-03-03 18:25:19,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:19,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:19,955 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:19,956 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724885224] [2022-03-03 18:25:19,956 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724885224] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:19,956 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:19,956 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:19,956 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678158902] [2022-03-03 18:25:19,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:19,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:19,956 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:19,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:19,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:19,956 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) [2022-03-03 18:25:20,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:20,311 INFO L93 Difference]: Finished difference Result 1723 states and 3109 transitions. [2022-03-03 18:25:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:25:20,311 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 [2022-03-03 18:25:20,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:20,313 INFO L225 Difference]: With dead ends: 1723 [2022-03-03 18:25:20,313 INFO L226 Difference]: Without dead ends: 1690 [2022-03-03 18:25:20,313 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 [2022-03-03 18:25:20,313 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 222 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:20,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 607 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:20,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2022-03-03 18:25:20,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1357. [2022-03-03 18:25:20,325 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) [2022-03-03 18:25:20,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 2514 transitions. [2022-03-03 18:25:20,326 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 2514 transitions. Word has length 116 [2022-03-03 18:25:20,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:20,327 INFO L470 AbstractCegarLoop]: Abstraction has 1357 states and 2514 transitions. [2022-03-03 18:25:20,327 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) [2022-03-03 18:25:20,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 2514 transitions. [2022-03-03 18:25:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:20,328 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:20,328 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:20,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-03-03 18:25:20,328 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:20,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:20,328 INFO L85 PathProgramCache]: Analyzing trace with hash 304088598, now seen corresponding path program 3 times [2022-03-03 18:25:20,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:20,328 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843607868] [2022-03-03 18:25:20,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:20,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:20,645 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:20,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843607868] [2022-03-03 18:25:20,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843607868] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:20,646 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:20,646 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:20,646 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288961048] [2022-03-03 18:25:20,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:20,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:20,646 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:20,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:20,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:20,646 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) [2022-03-03 18:25:21,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:21,027 INFO L93 Difference]: Finished difference Result 1595 states and 2877 transitions. [2022-03-03 18:25:21,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:25:21,027 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 [2022-03-03 18:25:21,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:21,029 INFO L225 Difference]: With dead ends: 1595 [2022-03-03 18:25:21,029 INFO L226 Difference]: Without dead ends: 1573 [2022-03-03 18:25:21,029 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 [2022-03-03 18:25:21,029 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 226 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:25:21,029 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] [2022-03-03 18:25:21,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-03-03 18:25:21,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1361. [2022-03-03 18:25:21,039 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) [2022-03-03 18:25:21,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 2521 transitions. [2022-03-03 18:25:21,041 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 2521 transitions. Word has length 116 [2022-03-03 18:25:21,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:21,041 INFO L470 AbstractCegarLoop]: Abstraction has 1361 states and 2521 transitions. [2022-03-03 18:25:21,041 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) [2022-03-03 18:25:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 2521 transitions. [2022-03-03 18:25:21,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:21,042 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:21,042 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:21,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-03-03 18:25:21,042 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:21,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:21,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1840049488, now seen corresponding path program 4 times [2022-03-03 18:25:21,042 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:21,042 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742078617] [2022-03-03 18:25:21,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:21,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:21,525 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:21,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:21,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742078617] [2022-03-03 18:25:21,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742078617] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:21,526 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:21,526 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:21,526 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320919121] [2022-03-03 18:25:21,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:21,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:21,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:21,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:21,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:21,527 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) [2022-03-03 18:25:22,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:22,026 INFO L93 Difference]: Finished difference Result 1520 states and 2748 transitions. [2022-03-03 18:25:22,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:25:22,027 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 [2022-03-03 18:25:22,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:22,028 INFO L225 Difference]: With dead ends: 1520 [2022-03-03 18:25:22,028 INFO L226 Difference]: Without dead ends: 1478 [2022-03-03 18:25:22,028 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 [2022-03-03 18:25:22,028 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 [2022-03-03 18:25:22,029 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] [2022-03-03 18:25:22,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2022-03-03 18:25:22,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1335. [2022-03-03 18:25:22,038 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) [2022-03-03 18:25:22,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 2465 transitions. [2022-03-03 18:25:22,039 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 2465 transitions. Word has length 116 [2022-03-03 18:25:22,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:22,039 INFO L470 AbstractCegarLoop]: Abstraction has 1335 states and 2465 transitions. [2022-03-03 18:25:22,039 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) [2022-03-03 18:25:22,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 2465 transitions. [2022-03-03 18:25:22,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:22,040 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:22,040 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:22,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-03-03 18:25:22,040 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:22,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:22,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1602431647, now seen corresponding path program 1 times [2022-03-03 18:25:22,041 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:22,041 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048409429] [2022-03-03 18:25:22,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:22,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:22,133 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:22,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048409429] [2022-03-03 18:25:22,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048409429] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:22,134 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:22,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 18:25:22,134 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713061855] [2022-03-03 18:25:22,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:22,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 18:25:22,134 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:22,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 18:25:22,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-03-03 18:25:22,134 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) [2022-03-03 18:25:22,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:22,362 INFO L93 Difference]: Finished difference Result 1564 states and 2874 transitions. [2022-03-03 18:25:22,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:25:22,362 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 [2022-03-03 18:25:22,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:22,364 INFO L225 Difference]: With dead ends: 1564 [2022-03-03 18:25:22,364 INFO L226 Difference]: Without dead ends: 1532 [2022-03-03 18:25:22,364 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 [2022-03-03 18:25:22,364 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 [2022-03-03 18:25:22,364 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] [2022-03-03 18:25:22,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-03-03 18:25:22,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1378. [2022-03-03 18:25:22,373 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) [2022-03-03 18:25:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 2546 transitions. [2022-03-03 18:25:22,375 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 2546 transitions. Word has length 116 [2022-03-03 18:25:22,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:22,375 INFO L470 AbstractCegarLoop]: Abstraction has 1378 states and 2546 transitions. [2022-03-03 18:25:22,375 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) [2022-03-03 18:25:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2546 transitions. [2022-03-03 18:25:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:22,376 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:22,376 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:22,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-03-03 18:25:22,376 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:22,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:22,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1515051637, now seen corresponding path program 2 times [2022-03-03 18:25:22,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:22,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082332673] [2022-03-03 18:25:22,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:22,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:22,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:22,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082332673] [2022-03-03 18:25:22,667 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082332673] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:22,667 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:22,667 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:22,667 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386491401] [2022-03-03 18:25:22,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:22,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:22,667 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:22,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:22,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:22,668 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) [2022-03-03 18:25:23,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:23,188 INFO L93 Difference]: Finished difference Result 2677 states and 4898 transitions. [2022-03-03 18:25:23,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:25:23,188 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 [2022-03-03 18:25:23,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:23,191 INFO L225 Difference]: With dead ends: 2677 [2022-03-03 18:25:23,191 INFO L226 Difference]: Without dead ends: 2625 [2022-03-03 18:25:23,191 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 [2022-03-03 18:25:23,191 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 [2022-03-03 18:25:23,192 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] [2022-03-03 18:25:23,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2022-03-03 18:25:23,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 1746. [2022-03-03 18:25:23,206 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) [2022-03-03 18:25:23,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 3261 transitions. [2022-03-03 18:25:23,208 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 3261 transitions. Word has length 116 [2022-03-03 18:25:23,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:23,208 INFO L470 AbstractCegarLoop]: Abstraction has 1746 states and 3261 transitions. [2022-03-03 18:25:23,208 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) [2022-03-03 18:25:23,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 3261 transitions. [2022-03-03 18:25:23,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:23,209 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:23,209 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:23,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2022-03-03 18:25:23,209 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:23,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:23,210 INFO L85 PathProgramCache]: Analyzing trace with hash 264244723, now seen corresponding path program 3 times [2022-03-03 18:25:23,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:23,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226305737] [2022-03-03 18:25:23,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:23,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:23,554 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:23,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226305737] [2022-03-03 18:25:23,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226305737] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:23,554 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:23,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:23,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315518676] [2022-03-03 18:25:23,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:23,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:23,554 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:23,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:23,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:23,555 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) [2022-03-03 18:25:23,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:23,936 INFO L93 Difference]: Finished difference Result 2063 states and 3758 transitions. [2022-03-03 18:25:23,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:23,936 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 [2022-03-03 18:25:23,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:23,938 INFO L225 Difference]: With dead ends: 2063 [2022-03-03 18:25:23,938 INFO L226 Difference]: Without dead ends: 1974 [2022-03-03 18:25:23,938 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 [2022-03-03 18:25:23,938 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:23,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 632 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:23,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2022-03-03 18:25:23,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1378. [2022-03-03 18:25:23,948 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) [2022-03-03 18:25:23,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 2536 transitions. [2022-03-03 18:25:23,950 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 2536 transitions. Word has length 116 [2022-03-03 18:25:23,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:23,950 INFO L470 AbstractCegarLoop]: Abstraction has 1378 states and 2536 transitions. [2022-03-03 18:25:23,950 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) [2022-03-03 18:25:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2536 transitions. [2022-03-03 18:25:23,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:23,951 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:23,951 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:23,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2022-03-03 18:25:23,951 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:23,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:23,951 INFO L85 PathProgramCache]: Analyzing trace with hash -853166091, now seen corresponding path program 4 times [2022-03-03 18:25:23,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:23,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014036866] [2022-03-03 18:25:23,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:23,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:24,376 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:24,376 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:24,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014036866] [2022-03-03 18:25:24,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014036866] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:24,376 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:24,376 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:24,376 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450472770] [2022-03-03 18:25:24,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:24,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:24,377 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:24,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:24,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:24,377 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) [2022-03-03 18:25:24,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:24,778 INFO L93 Difference]: Finished difference Result 1589 states and 2845 transitions. [2022-03-03 18:25:24,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:24,778 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 [2022-03-03 18:25:24,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:24,780 INFO L225 Difference]: With dead ends: 1589 [2022-03-03 18:25:24,780 INFO L226 Difference]: Without dead ends: 1543 [2022-03-03 18:25:24,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-03 18:25:24,780 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 [2022-03-03 18:25:24,780 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] [2022-03-03 18:25:24,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2022-03-03 18:25:24,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1364. [2022-03-03 18:25:24,790 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) [2022-03-03 18:25:24,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 2507 transitions. [2022-03-03 18:25:24,791 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 2507 transitions. Word has length 116 [2022-03-03 18:25:24,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:24,791 INFO L470 AbstractCegarLoop]: Abstraction has 1364 states and 2507 transitions. [2022-03-03 18:25:24,791 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) [2022-03-03 18:25:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2507 transitions. [2022-03-03 18:25:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:24,792 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:24,792 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:24,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2022-03-03 18:25:24,793 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:24,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:24,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1978558349, now seen corresponding path program 5 times [2022-03-03 18:25:24,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:24,793 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466002871] [2022-03-03 18:25:24,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:24,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:25,353 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:25,353 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:25,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466002871] [2022-03-03 18:25:25,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466002871] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:25,353 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:25,353 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:25:25,353 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836671878] [2022-03-03 18:25:25,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:25,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:25:25,354 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:25,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:25:25,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:25:25,354 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) [2022-03-03 18:25:25,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:25,954 INFO L93 Difference]: Finished difference Result 1512 states and 2715 transitions. [2022-03-03 18:25:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:25:25,955 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 [2022-03-03 18:25:25,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:25,956 INFO L225 Difference]: With dead ends: 1512 [2022-03-03 18:25:25,956 INFO L226 Difference]: Without dead ends: 1260 [2022-03-03 18:25:25,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2022-03-03 18:25:25,956 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 183 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:25,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 628 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:25,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2022-03-03 18:25:25,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1150. [2022-03-03 18:25:25,964 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) [2022-03-03 18:25:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 2072 transitions. [2022-03-03 18:25:25,965 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 2072 transitions. Word has length 116 [2022-03-03 18:25:25,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:25,965 INFO L470 AbstractCegarLoop]: Abstraction has 1150 states and 2072 transitions. [2022-03-03 18:25:25,965 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) [2022-03-03 18:25:25,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 2072 transitions. [2022-03-03 18:25:25,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:25,966 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:25,967 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:25,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2022-03-03 18:25:25,967 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:25,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:25,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1361020946, now seen corresponding path program 2 times [2022-03-03 18:25:25,967 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:25,967 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321536273] [2022-03-03 18:25:25,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:25,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:26,753 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:26,754 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:26,754 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321536273] [2022-03-03 18:25:26,754 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321536273] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:26,754 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:26,754 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:26,754 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954494836] [2022-03-03 18:25:26,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:26,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:26,754 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:26,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:26,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:26,754 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) [2022-03-03 18:25:27,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:27,250 INFO L93 Difference]: Finished difference Result 1275 states and 2258 transitions. [2022-03-03 18:25:27,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:25:27,250 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 [2022-03-03 18:25:27,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:27,251 INFO L225 Difference]: With dead ends: 1275 [2022-03-03 18:25:27,251 INFO L226 Difference]: Without dead ends: 1250 [2022-03-03 18:25:27,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 8 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:25:27,251 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 [2022-03-03 18:25:27,252 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] [2022-03-03 18:25:27,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2022-03-03 18:25:27,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1151. [2022-03-03 18:25:27,259 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) [2022-03-03 18:25:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 2073 transitions. [2022-03-03 18:25:27,260 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 2073 transitions. Word has length 116 [2022-03-03 18:25:27,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:27,260 INFO L470 AbstractCegarLoop]: Abstraction has 1151 states and 2073 transitions. [2022-03-03 18:25:27,260 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) [2022-03-03 18:25:27,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2073 transitions. [2022-03-03 18:25:27,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:27,261 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:27,261 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:27,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2022-03-03 18:25:27,262 INFO L402 AbstractCegarLoop]: === Iteration 211 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:27,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:27,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1954156579, now seen corresponding path program 6 times [2022-03-03 18:25:27,262 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:27,262 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543289941] [2022-03-03 18:25:27,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:27,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:27,520 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:27,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543289941] [2022-03-03 18:25:27,520 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543289941] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:27,520 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:27,520 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:27,521 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396362599] [2022-03-03 18:25:27,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:27,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:27,521 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:27,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:27,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:27,521 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) [2022-03-03 18:25:28,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:28,320 INFO L93 Difference]: Finished difference Result 1423 states and 2505 transitions. [2022-03-03 18:25:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 18:25:28,320 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 [2022-03-03 18:25:28,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:28,322 INFO L225 Difference]: With dead ends: 1423 [2022-03-03 18:25:28,322 INFO L226 Difference]: Without dead ends: 1387 [2022-03-03 18:25:28,322 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 [2022-03-03 18:25:28,322 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 [2022-03-03 18:25:28,322 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] [2022-03-03 18:25:28,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2022-03-03 18:25:28,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1171. [2022-03-03 18:25:28,333 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) [2022-03-03 18:25:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 2107 transitions. [2022-03-03 18:25:28,334 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 2107 transitions. Word has length 116 [2022-03-03 18:25:28,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:28,334 INFO L470 AbstractCegarLoop]: Abstraction has 1171 states and 2107 transitions. [2022-03-03 18:25:28,335 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) [2022-03-03 18:25:28,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2107 transitions. [2022-03-03 18:25:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:28,335 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:28,336 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] [2022-03-03 18:25:28,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2022-03-03 18:25:28,336 INFO L402 AbstractCegarLoop]: === Iteration 212 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:28,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:28,336 INFO L85 PathProgramCache]: Analyzing trace with hash -426721413, now seen corresponding path program 7 times [2022-03-03 18:25:28,336 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:28,336 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257106693] [2022-03-03 18:25:28,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:28,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:28,764 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:28,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257106693] [2022-03-03 18:25:28,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257106693] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:28,764 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:28,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:28,765 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850287598] [2022-03-03 18:25:28,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:28,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:28,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:28,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:28,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:28,765 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) [2022-03-03 18:25:29,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:29,244 INFO L93 Difference]: Finished difference Result 1554 states and 2724 transitions. [2022-03-03 18:25:29,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:29,244 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 [2022-03-03 18:25:29,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:29,246 INFO L225 Difference]: With dead ends: 1554 [2022-03-03 18:25:29,246 INFO L226 Difference]: Without dead ends: 1520 [2022-03-03 18:25:29,246 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 [2022-03-03 18:25:29,246 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:29,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 554 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:29,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2022-03-03 18:25:29,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1206. [2022-03-03 18:25:29,254 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) [2022-03-03 18:25:29,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 2173 transitions. [2022-03-03 18:25:29,256 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 2173 transitions. Word has length 116 [2022-03-03 18:25:29,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:29,256 INFO L470 AbstractCegarLoop]: Abstraction has 1206 states and 2173 transitions. [2022-03-03 18:25:29,256 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) [2022-03-03 18:25:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 2173 transitions. [2022-03-03 18:25:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:29,257 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:29,257 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:29,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2022-03-03 18:25:29,257 INFO L402 AbstractCegarLoop]: === Iteration 213 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:29,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:29,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1019584619, now seen corresponding path program 8 times [2022-03-03 18:25:29,257 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:29,257 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417780506] [2022-03-03 18:25:29,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:29,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:30,062 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:30,062 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417780506] [2022-03-03 18:25:30,062 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417780506] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:30,062 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:30,062 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 18:25:30,062 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800902739] [2022-03-03 18:25:30,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:30,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-03 18:25:30,062 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:30,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-03 18:25:30,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:25:30,063 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) [2022-03-03 18:25:31,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:31,251 INFO L93 Difference]: Finished difference Result 1489 states and 2623 transitions. [2022-03-03 18:25:31,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-03 18:25:31,251 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 [2022-03-03 18:25:31,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:31,253 INFO L225 Difference]: With dead ends: 1489 [2022-03-03 18:25:31,253 INFO L226 Difference]: Without dead ends: 1463 [2022-03-03 18:25:31,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=233, Invalid=889, Unknown=0, NotChecked=0, Total=1122 [2022-03-03 18:25:31,253 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 [2022-03-03 18:25:31,253 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] [2022-03-03 18:25:31,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2022-03-03 18:25:31,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1259. [2022-03-03 18:25:31,262 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) [2022-03-03 18:25:31,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 2266 transitions. [2022-03-03 18:25:31,263 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 2266 transitions. Word has length 116 [2022-03-03 18:25:31,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:31,263 INFO L470 AbstractCegarLoop]: Abstraction has 1259 states and 2266 transitions. [2022-03-03 18:25:31,263 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) [2022-03-03 18:25:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 2266 transitions. [2022-03-03 18:25:31,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:31,264 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:31,264 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:31,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2022-03-03 18:25:31,265 INFO L402 AbstractCegarLoop]: === Iteration 214 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:31,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:31,265 INFO L85 PathProgramCache]: Analyzing trace with hash -476588007, now seen corresponding path program 9 times [2022-03-03 18:25:31,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:31,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520995907] [2022-03-03 18:25:31,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:31,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:31,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:31,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520995907] [2022-03-03 18:25:31,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520995907] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:31,734 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:31,734 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:31,734 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811830998] [2022-03-03 18:25:31,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:31,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:31,735 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:31,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:31,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:31,735 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) [2022-03-03 18:25:32,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:32,088 INFO L93 Difference]: Finished difference Result 1500 states and 2645 transitions. [2022-03-03 18:25:32,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:32,088 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 [2022-03-03 18:25:32,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:32,089 INFO L225 Difference]: With dead ends: 1500 [2022-03-03 18:25:32,089 INFO L226 Difference]: Without dead ends: 1360 [2022-03-03 18:25:32,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-03 18:25:32,090 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 172 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:32,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 532 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:25:32,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2022-03-03 18:25:32,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1172. [2022-03-03 18:25:32,098 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) [2022-03-03 18:25:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 2108 transitions. [2022-03-03 18:25:32,099 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 2108 transitions. Word has length 116 [2022-03-03 18:25:32,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:32,100 INFO L470 AbstractCegarLoop]: Abstraction has 1172 states and 2108 transitions. [2022-03-03 18:25:32,100 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) [2022-03-03 18:25:32,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 2108 transitions. [2022-03-03 18:25:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:32,101 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:32,101 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:32,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2022-03-03 18:25:32,101 INFO L402 AbstractCegarLoop]: === Iteration 215 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:32,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:32,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1450601971, now seen corresponding path program 10 times [2022-03-03 18:25:32,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:32,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959333844] [2022-03-03 18:25:32,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:32,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:32,617 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:32,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959333844] [2022-03-03 18:25:32,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959333844] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:32,617 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:32,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:32,617 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575859732] [2022-03-03 18:25:32,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:32,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:32,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:32,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:32,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:32,618 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) [2022-03-03 18:25:32,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:32,973 INFO L93 Difference]: Finished difference Result 1400 states and 2468 transitions. [2022-03-03 18:25:32,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:32,973 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 [2022-03-03 18:25:32,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:32,974 INFO L225 Difference]: With dead ends: 1400 [2022-03-03 18:25:32,974 INFO L226 Difference]: Without dead ends: 1325 [2022-03-03 18:25:32,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-03-03 18:25:32,975 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 157 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:32,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 514 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:25:32,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2022-03-03 18:25:32,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1173. [2022-03-03 18:25:32,983 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) [2022-03-03 18:25:32,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 2109 transitions. [2022-03-03 18:25:32,984 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 2109 transitions. Word has length 116 [2022-03-03 18:25:32,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:32,984 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 2109 transitions. [2022-03-03 18:25:32,984 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) [2022-03-03 18:25:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2109 transitions. [2022-03-03 18:25:32,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:32,985 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:32,985 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:32,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2022-03-03 18:25:32,985 INFO L402 AbstractCegarLoop]: === Iteration 216 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:32,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:32,986 INFO L85 PathProgramCache]: Analyzing trace with hash 535762931, now seen corresponding path program 11 times [2022-03-03 18:25:32,986 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:32,986 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930475922] [2022-03-03 18:25:32,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:32,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:34,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:34,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930475922] [2022-03-03 18:25:34,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930475922] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:34,266 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:34,266 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:25:34,266 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795347928] [2022-03-03 18:25:34,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:34,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:25:34,266 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:34,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:25:34,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:25:34,267 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) [2022-03-03 18:25:34,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:34,747 INFO L93 Difference]: Finished difference Result 1228 states and 2179 transitions. [2022-03-03 18:25:34,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:25:34,747 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 [2022-03-03 18:25:34,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:34,749 INFO L225 Difference]: With dead ends: 1228 [2022-03-03 18:25:34,749 INFO L226 Difference]: Without dead ends: 1202 [2022-03-03 18:25:34,749 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 [2022-03-03 18:25:34,749 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 [2022-03-03 18:25:34,749 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] [2022-03-03 18:25:34,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-03-03 18:25:34,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1174. [2022-03-03 18:25:34,757 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) [2022-03-03 18:25:34,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 2110 transitions. [2022-03-03 18:25:34,759 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 2110 transitions. Word has length 116 [2022-03-03 18:25:34,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:34,759 INFO L470 AbstractCegarLoop]: Abstraction has 1174 states and 2110 transitions. [2022-03-03 18:25:34,759 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) [2022-03-03 18:25:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 2110 transitions. [2022-03-03 18:25:34,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:34,760 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:34,760 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:34,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2022-03-03 18:25:34,760 INFO L402 AbstractCegarLoop]: === Iteration 217 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:34,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:34,760 INFO L85 PathProgramCache]: Analyzing trace with hash 422152241, now seen corresponding path program 12 times [2022-03-03 18:25:34,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:34,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977928172] [2022-03-03 18:25:34,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:34,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:35,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:35,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977928172] [2022-03-03 18:25:35,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977928172] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:35,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:35,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:35,636 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241507924] [2022-03-03 18:25:35,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:35,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:35,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:35,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:35,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:35,636 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) [2022-03-03 18:25:36,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:36,199 INFO L93 Difference]: Finished difference Result 1308 states and 2312 transitions. [2022-03-03 18:25:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:36,200 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 [2022-03-03 18:25:36,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:36,201 INFO L225 Difference]: With dead ends: 1308 [2022-03-03 18:25:36,201 INFO L226 Difference]: Without dead ends: 1244 [2022-03-03 18:25:36,201 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 [2022-03-03 18:25:36,201 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 120 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-03-03 18:25:36,201 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] [2022-03-03 18:25:36,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-03-03 18:25:36,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1160. [2022-03-03 18:25:36,208 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) [2022-03-03 18:25:36,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 2086 transitions. [2022-03-03 18:25:36,210 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 2086 transitions. Word has length 116 [2022-03-03 18:25:36,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:36,210 INFO L470 AbstractCegarLoop]: Abstraction has 1160 states and 2086 transitions. [2022-03-03 18:25:36,210 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) [2022-03-03 18:25:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 2086 transitions. [2022-03-03 18:25:36,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:36,211 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:36,211 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:36,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2022-03-03 18:25:36,211 INFO L402 AbstractCegarLoop]: === Iteration 218 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:36,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:36,211 INFO L85 PathProgramCache]: Analyzing trace with hash 175830382, now seen corresponding path program 3 times [2022-03-03 18:25:36,211 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:36,211 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775792294] [2022-03-03 18:25:36,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:36,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:37,042 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:37,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:37,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775792294] [2022-03-03 18:25:37,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775792294] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:37,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:37,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:37,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877784283] [2022-03-03 18:25:37,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:37,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:37,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:37,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:37,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:37,043 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) [2022-03-03 18:25:37,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:37,607 INFO L93 Difference]: Finished difference Result 1292 states and 2276 transitions. [2022-03-03 18:25:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:25:37,608 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 [2022-03-03 18:25:37,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:37,609 INFO L225 Difference]: With dead ends: 1292 [2022-03-03 18:25:37,609 INFO L226 Difference]: Without dead ends: 1217 [2022-03-03 18:25:37,609 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 [2022-03-03 18:25:37,609 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 [2022-03-03 18:25:37,609 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] [2022-03-03 18:25:37,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2022-03-03 18:25:37,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1123. [2022-03-03 18:25:37,617 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) [2022-03-03 18:25:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 2012 transitions. [2022-03-03 18:25:37,618 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 2012 transitions. Word has length 116 [2022-03-03 18:25:37,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:37,618 INFO L470 AbstractCegarLoop]: Abstraction has 1123 states and 2012 transitions. [2022-03-03 18:25:37,618 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) [2022-03-03 18:25:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2012 transitions. [2022-03-03 18:25:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:37,619 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:37,619 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:37,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2022-03-03 18:25:37,619 INFO L402 AbstractCegarLoop]: === Iteration 219 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:37,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:37,619 INFO L85 PathProgramCache]: Analyzing trace with hash 566339014, now seen corresponding path program 4 times [2022-03-03 18:25:37,619 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:37,619 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066737304] [2022-03-03 18:25:37,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:37,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:38,527 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:38,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066737304] [2022-03-03 18:25:38,527 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066737304] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:38,527 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:38,527 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:38,528 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467596758] [2022-03-03 18:25:38,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:38,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:38,528 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:38,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:38,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:38,528 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) [2022-03-03 18:25:39,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:39,080 INFO L93 Difference]: Finished difference Result 1209 states and 2138 transitions. [2022-03-03 18:25:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:25:39,081 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 [2022-03-03 18:25:39,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:39,082 INFO L225 Difference]: With dead ends: 1209 [2022-03-03 18:25:39,082 INFO L226 Difference]: Without dead ends: 1180 [2022-03-03 18:25:39,082 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 [2022-03-03 18:25:39,082 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 [2022-03-03 18:25:39,082 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] [2022-03-03 18:25:39,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2022-03-03 18:25:39,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1122. [2022-03-03 18:25:39,090 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) [2022-03-03 18:25:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 2010 transitions. [2022-03-03 18:25:39,091 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 2010 transitions. Word has length 116 [2022-03-03 18:25:39,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:39,091 INFO L470 AbstractCegarLoop]: Abstraction has 1122 states and 2010 transitions. [2022-03-03 18:25:39,091 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) [2022-03-03 18:25:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2010 transitions. [2022-03-03 18:25:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:39,092 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:39,092 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:39,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2022-03-03 18:25:39,092 INFO L402 AbstractCegarLoop]: === Iteration 220 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:39,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:39,092 INFO L85 PathProgramCache]: Analyzing trace with hash 373201338, now seen corresponding path program 5 times [2022-03-03 18:25:39,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:39,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890591636] [2022-03-03 18:25:39,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:39,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:39,912 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:39,912 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:39,912 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890591636] [2022-03-03 18:25:39,913 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890591636] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:39,913 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:39,913 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:39,913 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820877415] [2022-03-03 18:25:39,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:39,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:39,913 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:39,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:39,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:39,913 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) [2022-03-03 18:25:40,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:40,436 INFO L93 Difference]: Finished difference Result 1178 states and 2101 transitions. [2022-03-03 18:25:40,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:40,436 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 [2022-03-03 18:25:40,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:40,438 INFO L225 Difference]: With dead ends: 1178 [2022-03-03 18:25:40,438 INFO L226 Difference]: Without dead ends: 1150 [2022-03-03 18:25:40,438 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 [2022-03-03 18:25:40,438 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 [2022-03-03 18:25:40,438 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] [2022-03-03 18:25:40,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2022-03-03 18:25:40,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 1101. [2022-03-03 18:25:40,445 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) [2022-03-03 18:25:40,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1987 transitions. [2022-03-03 18:25:40,446 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1987 transitions. Word has length 116 [2022-03-03 18:25:40,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:40,446 INFO L470 AbstractCegarLoop]: Abstraction has 1101 states and 1987 transitions. [2022-03-03 18:25:40,446 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) [2022-03-03 18:25:40,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1987 transitions. [2022-03-03 18:25:40,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:40,447 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:40,447 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, 1, 1, 1] [2022-03-03 18:25:40,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2022-03-03 18:25:40,447 INFO L402 AbstractCegarLoop]: === Iteration 221 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:40,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:40,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1361553491, now seen corresponding path program 13 times [2022-03-03 18:25:40,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:40,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922552755] [2022-03-03 18:25:40,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:40,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:40,842 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:40,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922552755] [2022-03-03 18:25:40,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922552755] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:40,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:40,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:40,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153042933] [2022-03-03 18:25:40,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:40,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:40,842 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:40,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:40,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:40,843 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) [2022-03-03 18:25:41,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:41,294 INFO L93 Difference]: Finished difference Result 1380 states and 2424 transitions. [2022-03-03 18:25:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:41,294 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 [2022-03-03 18:25:41,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:41,296 INFO L225 Difference]: With dead ends: 1380 [2022-03-03 18:25:41,296 INFO L226 Difference]: Without dead ends: 1346 [2022-03-03 18:25:41,296 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 [2022-03-03 18:25:41,296 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 [2022-03-03 18:25:41,296 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] [2022-03-03 18:25:41,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2022-03-03 18:25:41,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1105. [2022-03-03 18:25:41,304 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) [2022-03-03 18:25:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1995 transitions. [2022-03-03 18:25:41,306 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1995 transitions. Word has length 116 [2022-03-03 18:25:41,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:41,306 INFO L470 AbstractCegarLoop]: Abstraction has 1105 states and 1995 transitions. [2022-03-03 18:25:41,306 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) [2022-03-03 18:25:41,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1995 transitions. [2022-03-03 18:25:41,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:41,307 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:41,307 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:41,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2022-03-03 18:25:41,307 INFO L402 AbstractCegarLoop]: === Iteration 222 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:41,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:41,308 INFO L85 PathProgramCache]: Analyzing trace with hash 768690285, now seen corresponding path program 14 times [2022-03-03 18:25:41,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:41,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099083152] [2022-03-03 18:25:41,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:41,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:41,758 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:41,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099083152] [2022-03-03 18:25:41,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099083152] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:41,758 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:41,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:41,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973186244] [2022-03-03 18:25:41,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:41,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:41,758 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:41,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:41,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:41,759 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) [2022-03-03 18:25:42,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:42,119 INFO L93 Difference]: Finished difference Result 1308 states and 2301 transitions. [2022-03-03 18:25:42,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:42,119 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 [2022-03-03 18:25:42,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:42,120 INFO L225 Difference]: With dead ends: 1308 [2022-03-03 18:25:42,120 INFO L226 Difference]: Without dead ends: 1282 [2022-03-03 18:25:42,121 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 [2022-03-03 18:25:42,121 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:42,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 471 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:25:42,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-03-03 18:25:42,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1108. [2022-03-03 18:25:42,128 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) [2022-03-03 18:25:42,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 2001 transitions. [2022-03-03 18:25:42,130 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 2001 transitions. Word has length 116 [2022-03-03 18:25:42,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:42,130 INFO L470 AbstractCegarLoop]: Abstraction has 1108 states and 2001 transitions. [2022-03-03 18:25:42,130 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) [2022-03-03 18:25:42,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2001 transitions. [2022-03-03 18:25:42,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:42,131 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:42,131 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:42,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2022-03-03 18:25:42,131 INFO L402 AbstractCegarLoop]: === Iteration 223 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:42,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:42,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1311686897, now seen corresponding path program 15 times [2022-03-03 18:25:42,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:42,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473476263] [2022-03-03 18:25:42,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:42,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:42,748 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:42,748 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473476263] [2022-03-03 18:25:42,749 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473476263] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:42,749 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:42,749 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:25:42,749 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464839159] [2022-03-03 18:25:42,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:42,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:25:42,749 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:42,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:25:42,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:25:42,749 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) [2022-03-03 18:25:43,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:43,375 INFO L93 Difference]: Finished difference Result 1383 states and 2452 transitions. [2022-03-03 18:25:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:25:43,375 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 [2022-03-03 18:25:43,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:43,377 INFO L225 Difference]: With dead ends: 1383 [2022-03-03 18:25:43,377 INFO L226 Difference]: Without dead ends: 1308 [2022-03-03 18:25:43,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:25:43,377 INFO L933 BasicCegarLoop]: 148 mSDtfsCounter, 155 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:43,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 638 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:43,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-03-03 18:25:43,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1117. [2022-03-03 18:25:43,385 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) [2022-03-03 18:25:43,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 2018 transitions. [2022-03-03 18:25:43,386 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 2018 transitions. Word has length 116 [2022-03-03 18:25:43,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:43,386 INFO L470 AbstractCegarLoop]: Abstraction has 1117 states and 2018 transitions. [2022-03-03 18:25:43,386 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) [2022-03-03 18:25:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 2018 transitions. [2022-03-03 18:25:43,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:43,387 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:43,387 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:43,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2022-03-03 18:25:43,387 INFO L402 AbstractCegarLoop]: === Iteration 224 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:43,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:43,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1056090421, now seen corresponding path program 16 times [2022-03-03 18:25:43,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:43,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916555719] [2022-03-03 18:25:43,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:43,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:43,848 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:43,848 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:43,848 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916555719] [2022-03-03 18:25:43,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916555719] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:43,849 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:43,849 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:43,849 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731078906] [2022-03-03 18:25:43,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:43,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:43,849 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:43,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:43,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:43,849 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) [2022-03-03 18:25:44,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:44,312 INFO L93 Difference]: Finished difference Result 1402 states and 2464 transitions. [2022-03-03 18:25:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:25:44,313 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 [2022-03-03 18:25:44,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:44,314 INFO L225 Difference]: With dead ends: 1402 [2022-03-03 18:25:44,314 INFO L226 Difference]: Without dead ends: 1327 [2022-03-03 18:25:44,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:25:44,314 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 178 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:44,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 652 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:44,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2022-03-03 18:25:44,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1118. [2022-03-03 18:25:44,322 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) [2022-03-03 18:25:44,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 2019 transitions. [2022-03-03 18:25:44,323 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 2019 transitions. Word has length 116 [2022-03-03 18:25:44,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:44,323 INFO L470 AbstractCegarLoop]: Abstraction has 1118 states and 2019 transitions. [2022-03-03 18:25:44,323 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) [2022-03-03 18:25:44,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 2019 transitions. [2022-03-03 18:25:44,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:44,324 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:44,324 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:44,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2022-03-03 18:25:44,325 INFO L402 AbstractCegarLoop]: === Iteration 225 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:44,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:44,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1970929461, now seen corresponding path program 17 times [2022-03-03 18:25:44,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:44,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161487158] [2022-03-03 18:25:44,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:44,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:44,925 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:44,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161487158] [2022-03-03 18:25:44,925 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161487158] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:44,925 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:44,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:44,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389183895] [2022-03-03 18:25:44,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:44,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:44,925 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:44,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:44,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:44,926 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) [2022-03-03 18:25:45,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:45,497 INFO L93 Difference]: Finished difference Result 1308 states and 2305 transitions. [2022-03-03 18:25:45,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-03 18:25:45,497 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 [2022-03-03 18:25:45,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:45,498 INFO L225 Difference]: With dead ends: 1308 [2022-03-03 18:25:45,498 INFO L226 Difference]: Without dead ends: 1282 [2022-03-03 18:25:45,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2022-03-03 18:25:45,499 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:45,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 608 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:45,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-03-03 18:25:45,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1119. [2022-03-03 18:25:45,507 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) [2022-03-03 18:25:45,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 2020 transitions. [2022-03-03 18:25:45,508 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 2020 transitions. Word has length 116 [2022-03-03 18:25:45,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:45,508 INFO L470 AbstractCegarLoop]: Abstraction has 1119 states and 2020 transitions. [2022-03-03 18:25:45,508 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) [2022-03-03 18:25:45,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2020 transitions. [2022-03-03 18:25:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:45,509 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:45,509 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:45,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2022-03-03 18:25:45,509 INFO L402 AbstractCegarLoop]: === Iteration 226 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:45,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:45,509 INFO L85 PathProgramCache]: Analyzing trace with hash -2084540151, now seen corresponding path program 18 times [2022-03-03 18:25:45,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:45,509 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944474094] [2022-03-03 18:25:45,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:45,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:46,286 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:46,286 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944474094] [2022-03-03 18:25:46,286 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944474094] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:46,286 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:46,287 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:46,287 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115759903] [2022-03-03 18:25:46,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:46,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:46,287 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:46,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:46,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:46,287 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) [2022-03-03 18:25:46,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:46,809 INFO L93 Difference]: Finished difference Result 1310 states and 2308 transitions. [2022-03-03 18:25:46,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:25:46,810 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 [2022-03-03 18:25:46,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:46,811 INFO L225 Difference]: With dead ends: 1310 [2022-03-03 18:25:46,811 INFO L226 Difference]: Without dead ends: 1257 [2022-03-03 18:25:46,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2022-03-03 18:25:46,811 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:46,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 668 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:46,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2022-03-03 18:25:46,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1116. [2022-03-03 18:25:46,820 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) [2022-03-03 18:25:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 2015 transitions. [2022-03-03 18:25:46,821 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 2015 transitions. Word has length 116 [2022-03-03 18:25:46,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:46,821 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 2015 transitions. [2022-03-03 18:25:46,821 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) [2022-03-03 18:25:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 2015 transitions. [2022-03-03 18:25:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:46,822 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:46,822 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, 1, 1] [2022-03-03 18:25:46,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2022-03-03 18:25:46,822 INFO L402 AbstractCegarLoop]: === Iteration 227 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:46,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:46,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1641324963, now seen corresponding path program 19 times [2022-03-03 18:25:46,823 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:46,823 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836444771] [2022-03-03 18:25:46,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:46,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:47,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:47,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836444771] [2022-03-03 18:25:47,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836444771] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:47,234 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:47,234 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:47,234 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371470789] [2022-03-03 18:25:47,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:47,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:47,234 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:47,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:47,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:47,235 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) [2022-03-03 18:25:47,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:47,624 INFO L93 Difference]: Finished difference Result 1279 states and 2267 transitions. [2022-03-03 18:25:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:47,624 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 [2022-03-03 18:25:47,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:47,626 INFO L225 Difference]: With dead ends: 1279 [2022-03-03 18:25:47,626 INFO L226 Difference]: Without dead ends: 1204 [2022-03-03 18:25:47,626 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 [2022-03-03 18:25:47,626 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:47,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 729 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:47,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2022-03-03 18:25:47,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1098. [2022-03-03 18:25:47,634 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) [2022-03-03 18:25:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1978 transitions. [2022-03-03 18:25:47,635 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1978 transitions. Word has length 116 [2022-03-03 18:25:47,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:47,636 INFO L470 AbstractCegarLoop]: Abstraction has 1098 states and 1978 transitions. [2022-03-03 18:25:47,636 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) [2022-03-03 18:25:47,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1978 transitions. [2022-03-03 18:25:47,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:47,636 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:47,637 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, 1, 1, 1] [2022-03-03 18:25:47,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2022-03-03 18:25:47,637 INFO L402 AbstractCegarLoop]: === Iteration 228 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:47,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:47,637 INFO L85 PathProgramCache]: Analyzing trace with hash 726485923, now seen corresponding path program 20 times [2022-03-03 18:25:47,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:47,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181856490] [2022-03-03 18:25:47,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:47,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:48,303 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:48,303 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:48,304 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181856490] [2022-03-03 18:25:48,304 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181856490] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:48,304 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:48,304 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:48,304 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443167537] [2022-03-03 18:25:48,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:48,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:48,304 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:48,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:48,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:48,304 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) [2022-03-03 18:25:48,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:48,936 INFO L93 Difference]: Finished difference Result 1279 states and 2251 transitions. [2022-03-03 18:25:48,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:25:48,937 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 [2022-03-03 18:25:48,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:48,938 INFO L225 Difference]: With dead ends: 1279 [2022-03-03 18:25:48,938 INFO L226 Difference]: Without dead ends: 1253 [2022-03-03 18:25:48,938 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 [2022-03-03 18:25:48,938 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:48,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 610 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:48,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2022-03-03 18:25:48,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1099. [2022-03-03 18:25:48,946 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) [2022-03-03 18:25:48,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1979 transitions. [2022-03-03 18:25:48,947 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1979 transitions. Word has length 116 [2022-03-03 18:25:48,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:48,947 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 1979 transitions. [2022-03-03 18:25:48,947 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) [2022-03-03 18:25:48,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1979 transitions. [2022-03-03 18:25:48,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:48,948 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:48,948 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, 1, 1, 1] [2022-03-03 18:25:48,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2022-03-03 18:25:48,948 INFO L402 AbstractCegarLoop]: === Iteration 229 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:48,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:48,949 INFO L85 PathProgramCache]: Analyzing trace with hash 612875233, now seen corresponding path program 21 times [2022-03-03 18:25:48,949 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:48,949 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454991746] [2022-03-03 18:25:48,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:48,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:49,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:49,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454991746] [2022-03-03 18:25:49,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454991746] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:49,727 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:49,727 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:25:49,727 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350088848] [2022-03-03 18:25:49,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:49,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:25:49,727 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:49,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:25:49,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:25:49,728 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) [2022-03-03 18:25:50,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:50,309 INFO L93 Difference]: Finished difference Result 1237 states and 2191 transitions. [2022-03-03 18:25:50,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:25:50,309 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 [2022-03-03 18:25:50,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:50,311 INFO L225 Difference]: With dead ends: 1237 [2022-03-03 18:25:50,311 INFO L226 Difference]: Without dead ends: 1212 [2022-03-03 18:25:50,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-03-03 18:25:50,311 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 134 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-03-03 18:25:50,311 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] [2022-03-03 18:25:50,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-03-03 18:25:50,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1112. [2022-03-03 18:25:50,319 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) [2022-03-03 18:25:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 2000 transitions. [2022-03-03 18:25:50,320 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 2000 transitions. Word has length 116 [2022-03-03 18:25:50,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:50,321 INFO L470 AbstractCegarLoop]: Abstraction has 1112 states and 2000 transitions. [2022-03-03 18:25:50,321 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) [2022-03-03 18:25:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2000 transitions. [2022-03-03 18:25:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:50,322 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:50,322 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:50,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2022-03-03 18:25:50,322 INFO L402 AbstractCegarLoop]: === Iteration 230 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:50,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:50,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1476171673, now seen corresponding path program 22 times [2022-03-03 18:25:50,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:50,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749568159] [2022-03-03 18:25:50,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:50,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:50,762 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:50,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749568159] [2022-03-03 18:25:50,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749568159] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:50,762 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:50,762 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:50,762 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608820527] [2022-03-03 18:25:50,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:50,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:50,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:50,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:50,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:50,763 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) [2022-03-03 18:25:51,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:51,202 INFO L93 Difference]: Finished difference Result 1259 states and 2227 transitions. [2022-03-03 18:25:51,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:25:51,202 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 [2022-03-03 18:25:51,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:51,203 INFO L225 Difference]: With dead ends: 1259 [2022-03-03 18:25:51,204 INFO L226 Difference]: Without dead ends: 1202 [2022-03-03 18:25:51,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:25:51,204 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:51,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 718 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:51,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2022-03-03 18:25:51,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1097. [2022-03-03 18:25:51,212 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) [2022-03-03 18:25:51,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1976 transitions. [2022-03-03 18:25:51,213 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1976 transitions. Word has length 116 [2022-03-03 18:25:51,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:51,213 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 1976 transitions. [2022-03-03 18:25:51,213 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) [2022-03-03 18:25:51,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1976 transitions. [2022-03-03 18:25:51,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:51,214 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:51,214 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:51,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2022-03-03 18:25:51,214 INFO L402 AbstractCegarLoop]: === Iteration 231 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:51,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:51,214 INFO L85 PathProgramCache]: Analyzing trace with hash 332467701, now seen corresponding path program 23 times [2022-03-03 18:25:51,214 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:51,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022457271] [2022-03-03 18:25:51,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:51,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:51,571 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:51,571 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022457271] [2022-03-03 18:25:51,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022457271] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:51,571 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:51,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:51,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165563670] [2022-03-03 18:25:51,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:51,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:51,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:51,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:51,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:51,572 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) [2022-03-03 18:25:51,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:51,902 INFO L93 Difference]: Finished difference Result 1180 states and 2098 transitions. [2022-03-03 18:25:51,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 18:25:51,902 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 [2022-03-03 18:25:51,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:51,903 INFO L225 Difference]: With dead ends: 1180 [2022-03-03 18:25:51,903 INFO L226 Difference]: Without dead ends: 1143 [2022-03-03 18:25:51,903 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 [2022-03-03 18:25:51,903 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 226 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:25:51,904 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] [2022-03-03 18:25:51,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2022-03-03 18:25:51,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1086. [2022-03-03 18:25:51,911 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) [2022-03-03 18:25:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1954 transitions. [2022-03-03 18:25:51,912 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1954 transitions. Word has length 116 [2022-03-03 18:25:51,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:51,912 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1954 transitions. [2022-03-03 18:25:51,912 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) [2022-03-03 18:25:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1954 transitions. [2022-03-03 18:25:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:51,913 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:51,913 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:51,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2022-03-03 18:25:51,913 INFO L402 AbstractCegarLoop]: === Iteration 232 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:51,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:51,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1527989333, now seen corresponding path program 24 times [2022-03-03 18:25:51,914 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:51,914 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392715769] [2022-03-03 18:25:51,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:51,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:52,422 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:52,422 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:52,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392715769] [2022-03-03 18:25:52,422 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392715769] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:52,422 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:52,423 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:52,423 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161398438] [2022-03-03 18:25:52,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:52,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:52,423 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:52,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:52,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:52,423 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) [2022-03-03 18:25:53,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:53,075 INFO L93 Difference]: Finished difference Result 1208 states and 2132 transitions. [2022-03-03 18:25:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 18:25:53,075 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 [2022-03-03 18:25:53,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:53,077 INFO L225 Difference]: With dead ends: 1208 [2022-03-03 18:25:53,077 INFO L226 Difference]: Without dead ends: 1182 [2022-03-03 18:25:53,077 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 [2022-03-03 18:25:53,077 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 [2022-03-03 18:25:53,077 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] [2022-03-03 18:25:53,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-03-03 18:25:53,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1086. [2022-03-03 18:25:53,094 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) [2022-03-03 18:25:53,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1953 transitions. [2022-03-03 18:25:53,095 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1953 transitions. Word has length 116 [2022-03-03 18:25:53,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:53,095 INFO L470 AbstractCegarLoop]: Abstraction has 1086 states and 1953 transitions. [2022-03-03 18:25:53,095 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) [2022-03-03 18:25:53,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1953 transitions. [2022-03-03 18:25:53,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:53,107 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:53,107 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:53,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2022-03-03 18:25:53,107 INFO L402 AbstractCegarLoop]: === Iteration 233 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:53,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:53,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1414378643, now seen corresponding path program 25 times [2022-03-03 18:25:53,107 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:53,108 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268834641] [2022-03-03 18:25:53,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:53,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:53,870 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:53,871 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:53,871 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268834641] [2022-03-03 18:25:53,871 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268834641] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:53,871 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:53,871 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:25:53,871 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486423898] [2022-03-03 18:25:53,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:53,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:25:53,871 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:53,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:25:53,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:25:53,872 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) [2022-03-03 18:25:54,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:54,474 INFO L93 Difference]: Finished difference Result 1206 states and 2134 transitions. [2022-03-03 18:25:54,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:25:54,474 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 [2022-03-03 18:25:54,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:54,476 INFO L225 Difference]: With dead ends: 1206 [2022-03-03 18:25:54,476 INFO L226 Difference]: Without dead ends: 1181 [2022-03-03 18:25:54,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:25:54,476 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 [2022-03-03 18:25:54,476 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] [2022-03-03 18:25:54,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2022-03-03 18:25:54,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1106. [2022-03-03 18:25:54,483 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) [2022-03-03 18:25:54,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1980 transitions. [2022-03-03 18:25:54,484 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1980 transitions. Word has length 116 [2022-03-03 18:25:54,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:54,485 INFO L470 AbstractCegarLoop]: Abstraction has 1106 states and 1980 transitions. [2022-03-03 18:25:54,485 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) [2022-03-03 18:25:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1980 transitions. [2022-03-03 18:25:54,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:54,486 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:54,486 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:54,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2022-03-03 18:25:54,486 INFO L402 AbstractCegarLoop]: === Iteration 234 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:54,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:54,486 INFO L85 PathProgramCache]: Analyzing trace with hash -674668263, now seen corresponding path program 26 times [2022-03-03 18:25:54,486 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:54,486 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591525224] [2022-03-03 18:25:54,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:54,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:54,956 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:54,956 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591525224] [2022-03-03 18:25:54,956 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591525224] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:54,956 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:54,956 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:54,957 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722787784] [2022-03-03 18:25:54,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:54,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:54,957 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:54,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:54,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:54,957 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) [2022-03-03 18:25:55,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:55,466 INFO L93 Difference]: Finished difference Result 1195 states and 2114 transitions. [2022-03-03 18:25:55,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:55,467 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 [2022-03-03 18:25:55,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:55,468 INFO L225 Difference]: With dead ends: 1195 [2022-03-03 18:25:55,468 INFO L226 Difference]: Without dead ends: 1006 [2022-03-03 18:25:55,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-03-03 18:25:55,468 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 [2022-03-03 18:25:55,468 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] [2022-03-03 18:25:55,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2022-03-03 18:25:55,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 949. [2022-03-03 18:25:55,474 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) [2022-03-03 18:25:55,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1674 transitions. [2022-03-03 18:25:55,475 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1674 transitions. Word has length 116 [2022-03-03 18:25:55,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:55,475 INFO L470 AbstractCegarLoop]: Abstraction has 949 states and 1674 transitions. [2022-03-03 18:25:55,476 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) [2022-03-03 18:25:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1674 transitions. [2022-03-03 18:25:55,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:55,476 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:55,476 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:55,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2022-03-03 18:25:55,476 INFO L402 AbstractCegarLoop]: === Iteration 235 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:55,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:55,477 INFO L85 PathProgramCache]: Analyzing trace with hash 15870440, now seen corresponding path program 6 times [2022-03-03 18:25:55,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:55,477 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952230536] [2022-03-03 18:25:55,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:55,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:55,899 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:55,899 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952230536] [2022-03-03 18:25:55,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952230536] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:55,899 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:55,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:55,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471864438] [2022-03-03 18:25:55,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:55,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:55,900 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:55,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:55,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:55,900 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) [2022-03-03 18:25:56,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:56,325 INFO L93 Difference]: Finished difference Result 1023 states and 1778 transitions. [2022-03-03 18:25:56,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:25:56,325 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 [2022-03-03 18:25:56,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:56,327 INFO L225 Difference]: With dead ends: 1023 [2022-03-03 18:25:56,327 INFO L226 Difference]: Without dead ends: 995 [2022-03-03 18:25:56,327 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 [2022-03-03 18:25:56,327 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:56,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 533 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:25:56,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2022-03-03 18:25:56,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 867. [2022-03-03 18:25:56,333 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) [2022-03-03 18:25:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1513 transitions. [2022-03-03 18:25:56,334 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1513 transitions. Word has length 116 [2022-03-03 18:25:56,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:56,334 INFO L470 AbstractCegarLoop]: Abstraction has 867 states and 1513 transitions. [2022-03-03 18:25:56,334 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) [2022-03-03 18:25:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1513 transitions. [2022-03-03 18:25:56,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:56,335 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:56,335 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:56,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2022-03-03 18:25:56,335 INFO L402 AbstractCegarLoop]: === Iteration 236 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:56,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:56,335 INFO L85 PathProgramCache]: Analyzing trace with hash -750381012, now seen corresponding path program 5 times [2022-03-03 18:25:56,335 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:56,335 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919187226] [2022-03-03 18:25:56,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:56,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:56,603 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:56,603 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:56,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919187226] [2022-03-03 18:25:56,604 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919187226] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:56,604 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:56,604 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:56,604 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732102727] [2022-03-03 18:25:56,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:56,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:56,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:56,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:56,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:56,604 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) [2022-03-03 18:25:56,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:56,960 INFO L93 Difference]: Finished difference Result 1259 states and 2166 transitions. [2022-03-03 18:25:56,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:56,960 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 [2022-03-03 18:25:56,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:56,962 INFO L225 Difference]: With dead ends: 1259 [2022-03-03 18:25:56,962 INFO L226 Difference]: Without dead ends: 1215 [2022-03-03 18:25:56,962 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 [2022-03-03 18:25:56,962 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 [2022-03-03 18:25:56,962 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] [2022-03-03 18:25:56,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2022-03-03 18:25:56,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 911. [2022-03-03 18:25:56,969 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) [2022-03-03 18:25:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1595 transitions. [2022-03-03 18:25:56,970 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1595 transitions. Word has length 116 [2022-03-03 18:25:56,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:56,971 INFO L470 AbstractCegarLoop]: Abstraction has 911 states and 1595 transitions. [2022-03-03 18:25:56,971 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) [2022-03-03 18:25:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1595 transitions. [2022-03-03 18:25:56,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:56,971 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:56,971 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:56,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2022-03-03 18:25:56,972 INFO L402 AbstractCegarLoop]: === Iteration 237 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:56,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:56,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1454600954, now seen corresponding path program 6 times [2022-03-03 18:25:56,972 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:56,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790780832] [2022-03-03 18:25:56,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:56,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:57,244 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:57,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790780832] [2022-03-03 18:25:57,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790780832] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:57,244 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:57,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:57,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191668728] [2022-03-03 18:25:57,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:57,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:57,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:57,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:57,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:57,245 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) [2022-03-03 18:25:57,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:57,525 INFO L93 Difference]: Finished difference Result 1170 states and 2007 transitions. [2022-03-03 18:25:57,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:57,525 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 [2022-03-03 18:25:57,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:57,527 INFO L225 Difference]: With dead ends: 1170 [2022-03-03 18:25:57,527 INFO L226 Difference]: Without dead ends: 1137 [2022-03-03 18:25:57,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:25:57,527 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 209 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 18:25:57,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 499 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 18:25:57,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2022-03-03 18:25:57,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 906. [2022-03-03 18:25:57,533 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) [2022-03-03 18:25:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1584 transitions. [2022-03-03 18:25:57,534 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1584 transitions. Word has length 116 [2022-03-03 18:25:57,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:57,535 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1584 transitions. [2022-03-03 18:25:57,535 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) [2022-03-03 18:25:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1584 transitions. [2022-03-03 18:25:57,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:57,535 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:57,535 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:57,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2022-03-03 18:25:57,535 INFO L402 AbstractCegarLoop]: === Iteration 238 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:57,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:57,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2062312812, now seen corresponding path program 7 times [2022-03-03 18:25:57,536 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:57,536 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328747751] [2022-03-03 18:25:57,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:57,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:57,876 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:57,876 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:57,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328747751] [2022-03-03 18:25:57,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328747751] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:57,876 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:57,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:57,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70578575] [2022-03-03 18:25:57,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:57,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:57,876 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:57,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:57,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:57,877 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) [2022-03-03 18:25:58,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:58,224 INFO L93 Difference]: Finished difference Result 1054 states and 1792 transitions. [2022-03-03 18:25:58,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:58,225 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 [2022-03-03 18:25:58,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:58,226 INFO L225 Difference]: With dead ends: 1054 [2022-03-03 18:25:58,226 INFO L226 Difference]: Without dead ends: 1025 [2022-03-03 18:25:58,226 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 [2022-03-03 18:25:58,226 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 [2022-03-03 18:25:58,226 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] [2022-03-03 18:25:58,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2022-03-03 18:25:58,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 902. [2022-03-03 18:25:58,232 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) [2022-03-03 18:25:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1574 transitions. [2022-03-03 18:25:58,233 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1574 transitions. Word has length 116 [2022-03-03 18:25:58,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:58,234 INFO L470 AbstractCegarLoop]: Abstraction has 902 states and 1574 transitions. [2022-03-03 18:25:58,234 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) [2022-03-03 18:25:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1574 transitions. [2022-03-03 18:25:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:58,234 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:58,234 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:58,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2022-03-03 18:25:58,234 INFO L402 AbstractCegarLoop]: === Iteration 239 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:58,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:58,235 INFO L85 PathProgramCache]: Analyzing trace with hash -81825274, now seen corresponding path program 8 times [2022-03-03 18:25:58,235 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:58,235 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195803956] [2022-03-03 18:25:58,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:58,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:58,781 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:58,781 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:58,781 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195803956] [2022-03-03 18:25:58,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195803956] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:58,782 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:58,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:25:58,782 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869954355] [2022-03-03 18:25:58,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:58,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:25:58,782 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:58,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:25:58,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:25:58,782 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) [2022-03-03 18:25:59,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:59,208 INFO L93 Difference]: Finished difference Result 974 states and 1659 transitions. [2022-03-03 18:25:59,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:59,208 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 [2022-03-03 18:25:59,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:59,210 INFO L225 Difference]: With dead ends: 974 [2022-03-03 18:25:59,210 INFO L226 Difference]: Without dead ends: 932 [2022-03-03 18:25:59,210 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 [2022-03-03 18:25:59,210 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 [2022-03-03 18:25:59,210 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] [2022-03-03 18:25:59,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2022-03-03 18:25:59,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 871. [2022-03-03 18:25:59,216 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) [2022-03-03 18:25:59,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1516 transitions. [2022-03-03 18:25:59,217 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1516 transitions. Word has length 116 [2022-03-03 18:25:59,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:59,217 INFO L470 AbstractCegarLoop]: Abstraction has 871 states and 1516 transitions. [2022-03-03 18:25:59,217 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) [2022-03-03 18:25:59,217 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1516 transitions. [2022-03-03 18:25:59,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:59,218 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:59,218 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:59,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2022-03-03 18:25:59,218 INFO L402 AbstractCegarLoop]: === Iteration 240 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:59,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:59,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1021691445, now seen corresponding path program 27 times [2022-03-03 18:25:59,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:59,218 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676656464] [2022-03-03 18:25:59,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:59,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:25:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:25:59,554 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:25:59,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676656464] [2022-03-03 18:25:59,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676656464] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:25:59,575 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:25:59,575 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:25:59,576 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496456996] [2022-03-03 18:25:59,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:25:59,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:25:59,576 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:25:59,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:25:59,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:25:59,576 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) [2022-03-03 18:25:59,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:25:59,955 INFO L93 Difference]: Finished difference Result 1214 states and 2069 transitions. [2022-03-03 18:25:59,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:25:59,956 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 [2022-03-03 18:25:59,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:25:59,957 INFO L225 Difference]: With dead ends: 1214 [2022-03-03 18:25:59,957 INFO L226 Difference]: Without dead ends: 1162 [2022-03-03 18:25:59,957 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 [2022-03-03 18:25:59,957 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 [2022-03-03 18:25:59,957 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] [2022-03-03 18:25:59,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2022-03-03 18:25:59,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 874. [2022-03-03 18:25:59,964 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) [2022-03-03 18:25:59,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1514 transitions. [2022-03-03 18:25:59,965 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1514 transitions. Word has length 116 [2022-03-03 18:25:59,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:25:59,965 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1514 transitions. [2022-03-03 18:25:59,965 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) [2022-03-03 18:25:59,965 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1514 transitions. [2022-03-03 18:25:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:25:59,966 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:25:59,966 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:25:59,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2022-03-03 18:25:59,966 INFO L402 AbstractCegarLoop]: === Iteration 241 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:25:59,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:25:59,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2022468937, now seen corresponding path program 28 times [2022-03-03 18:25:59,966 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:25:59,966 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089973698] [2022-03-03 18:25:59,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:25:59,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:25:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:00,316 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:00,316 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089973698] [2022-03-03 18:26:00,316 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089973698] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:00,316 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:00,316 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:00,316 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435309097] [2022-03-03 18:26:00,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:00,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:00,317 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:00,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:00,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:00,317 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) [2022-03-03 18:26:00,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:00,595 INFO L93 Difference]: Finished difference Result 1106 states and 1868 transitions. [2022-03-03 18:26:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 18:26:00,595 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 [2022-03-03 18:26:00,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:00,597 INFO L225 Difference]: With dead ends: 1106 [2022-03-03 18:26:00,597 INFO L226 Difference]: Without dead ends: 1052 [2022-03-03 18:26:00,597 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 [2022-03-03 18:26:00,597 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 [2022-03-03 18:26:00,597 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] [2022-03-03 18:26:00,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-03-03 18:26:00,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 858. [2022-03-03 18:26:00,603 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) [2022-03-03 18:26:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1482 transitions. [2022-03-03 18:26:00,604 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1482 transitions. Word has length 116 [2022-03-03 18:26:00,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:00,604 INFO L470 AbstractCegarLoop]: Abstraction has 858 states and 1482 transitions. [2022-03-03 18:26:00,604 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) [2022-03-03 18:26:00,604 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1482 transitions. [2022-03-03 18:26:00,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:00,605 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:00,605 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, 1, 1, 1] [2022-03-03 18:26:00,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2022-03-03 18:26:00,605 INFO L402 AbstractCegarLoop]: === Iteration 242 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:00,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:00,606 INFO L85 PathProgramCache]: Analyzing trace with hash 905058123, now seen corresponding path program 29 times [2022-03-03 18:26:00,606 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:00,606 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275007421] [2022-03-03 18:26:00,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:00,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:01,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:01,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275007421] [2022-03-03 18:26:01,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275007421] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:01,063 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:01,063 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:01,063 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502215090] [2022-03-03 18:26:01,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:01,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:01,064 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:01,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:01,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:01,064 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) [2022-03-03 18:26:01,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:01,418 INFO L93 Difference]: Finished difference Result 992 states and 1665 transitions. [2022-03-03 18:26:01,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 18:26:01,418 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 [2022-03-03 18:26:01,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:01,419 INFO L225 Difference]: With dead ends: 992 [2022-03-03 18:26:01,419 INFO L226 Difference]: Without dead ends: 946 [2022-03-03 18:26:01,419 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 [2022-03-03 18:26:01,420 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 210 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-03-03 18:26:01,420 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] [2022-03-03 18:26:01,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2022-03-03 18:26:01,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 795. [2022-03-03 18:26:01,425 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) [2022-03-03 18:26:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1359 transitions. [2022-03-03 18:26:01,426 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1359 transitions. Word has length 116 [2022-03-03 18:26:01,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:01,426 INFO L470 AbstractCegarLoop]: Abstraction has 795 states and 1359 transitions. [2022-03-03 18:26:01,426 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) [2022-03-03 18:26:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1359 transitions. [2022-03-03 18:26:01,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:01,427 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:01,427 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:01,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2022-03-03 18:26:01,427 INFO L402 AbstractCegarLoop]: === Iteration 243 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:01,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:01,428 INFO L85 PathProgramCache]: Analyzing trace with hash -220334135, now seen corresponding path program 30 times [2022-03-03 18:26:01,428 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:01,428 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375228815] [2022-03-03 18:26:01,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:01,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:01,960 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:01,960 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375228815] [2022-03-03 18:26:01,960 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375228815] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:01,960 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:01,960 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:26:01,960 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246914671] [2022-03-03 18:26:01,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:01,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:26:01,960 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:01,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:26:01,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:26:01,961 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) [2022-03-03 18:26:02,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:02,530 INFO L93 Difference]: Finished difference Result 911 states and 1527 transitions. [2022-03-03 18:26:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:26:02,531 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 [2022-03-03 18:26:02,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:02,531 INFO L225 Difference]: With dead ends: 911 [2022-03-03 18:26:02,531 INFO L226 Difference]: Without dead ends: 659 [2022-03-03 18:26:02,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2022-03-03 18:26:02,532 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 208 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:02,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 447 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:26:02,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2022-03-03 18:26:02,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 614. [2022-03-03 18:26:02,536 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) [2022-03-03 18:26:02,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 967 transitions. [2022-03-03 18:26:02,536 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 967 transitions. Word has length 116 [2022-03-03 18:26:02,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:02,536 INFO L470 AbstractCegarLoop]: Abstraction has 614 states and 967 transitions. [2022-03-03 18:26:02,536 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) [2022-03-03 18:26:02,537 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 967 transitions. [2022-03-03 18:26:02,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:02,537 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:02,537 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:02,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2022-03-03 18:26:02,537 INFO L402 AbstractCegarLoop]: === Iteration 244 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:02,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:02,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1669765944, now seen corresponding path program 1 times [2022-03-03 18:26:02,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:02,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892158574] [2022-03-03 18:26:02,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:02,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:03,279 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:03,279 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892158574] [2022-03-03 18:26:03,279 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892158574] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:03,279 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:03,279 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:03,279 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590029670] [2022-03-03 18:26:03,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:03,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:03,279 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:03,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:03,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:03,280 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) [2022-03-03 18:26:03,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:03,733 INFO L93 Difference]: Finished difference Result 668 states and 1038 transitions. [2022-03-03 18:26:03,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:26:03,733 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 [2022-03-03 18:26:03,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:03,734 INFO L225 Difference]: With dead ends: 668 [2022-03-03 18:26:03,734 INFO L226 Difference]: Without dead ends: 616 [2022-03-03 18:26:03,734 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 [2022-03-03 18:26:03,734 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:03,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 371 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:26:03,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2022-03-03 18:26:03,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 588. [2022-03-03 18:26:03,738 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) [2022-03-03 18:26:03,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 915 transitions. [2022-03-03 18:26:03,738 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 915 transitions. Word has length 116 [2022-03-03 18:26:03,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:03,738 INFO L470 AbstractCegarLoop]: Abstraction has 588 states and 915 transitions. [2022-03-03 18:26:03,739 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) [2022-03-03 18:26:03,739 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 915 transitions. [2022-03-03 18:26:03,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:03,739 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:03,739 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, 1, 1] [2022-03-03 18:26:03,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2022-03-03 18:26:03,739 INFO L402 AbstractCegarLoop]: === Iteration 245 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:03,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:03,740 INFO L85 PathProgramCache]: Analyzing trace with hash -194600416, now seen corresponding path program 2 times [2022-03-03 18:26:03,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:03,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700924026] [2022-03-03 18:26:03,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:03,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:04,275 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:04,275 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:04,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700924026] [2022-03-03 18:26:04,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700924026] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:04,275 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:04,275 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:04,275 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551057575] [2022-03-03 18:26:04,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:04,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:04,276 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:04,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:04,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:04,276 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) [2022-03-03 18:26:04,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:04,684 INFO L93 Difference]: Finished difference Result 604 states and 938 transitions. [2022-03-03 18:26:04,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:26:04,684 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 [2022-03-03 18:26:04,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:04,685 INFO L225 Difference]: With dead ends: 604 [2022-03-03 18:26:04,685 INFO L226 Difference]: Without dead ends: 578 [2022-03-03 18:26:04,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:26:04,685 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 [2022-03-03 18:26:04,685 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] [2022-03-03 18:26:04,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2022-03-03 18:26:04,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 550. [2022-03-03 18:26:04,689 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) [2022-03-03 18:26:04,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 866 transitions. [2022-03-03 18:26:04,689 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 866 transitions. Word has length 116 [2022-03-03 18:26:04,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:04,689 INFO L470 AbstractCegarLoop]: Abstraction has 550 states and 866 transitions. [2022-03-03 18:26:04,689 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) [2022-03-03 18:26:04,689 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 866 transitions. [2022-03-03 18:26:04,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:04,690 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:04,690 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:04,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2022-03-03 18:26:04,690 INFO L402 AbstractCegarLoop]: === Iteration 246 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:04,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:04,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2083730738, now seen corresponding path program 9 times [2022-03-03 18:26:04,690 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:04,690 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057506928] [2022-03-03 18:26:04,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:04,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:05,141 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:05,141 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:05,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057506928] [2022-03-03 18:26:05,141 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057506928] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:05,141 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:05,142 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:05,142 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718862964] [2022-03-03 18:26:05,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:05,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:05,142 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:05,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:05,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:05,143 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) [2022-03-03 18:26:05,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:05,680 INFO L93 Difference]: Finished difference Result 588 states and 912 transitions. [2022-03-03 18:26:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:26:05,680 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 [2022-03-03 18:26:05,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:05,681 INFO L225 Difference]: With dead ends: 588 [2022-03-03 18:26:05,681 INFO L226 Difference]: Without dead ends: 559 [2022-03-03 18:26:05,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-03-03 18:26:05,681 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, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:05,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 549 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 18:26:05,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2022-03-03 18:26:05,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 547. [2022-03-03 18:26:05,685 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) [2022-03-03 18:26:05,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 860 transitions. [2022-03-03 18:26:05,685 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 860 transitions. Word has length 116 [2022-03-03 18:26:05,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:05,686 INFO L470 AbstractCegarLoop]: Abstraction has 547 states and 860 transitions. [2022-03-03 18:26:05,686 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) [2022-03-03 18:26:05,686 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 860 transitions. [2022-03-03 18:26:05,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:05,686 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:05,686 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:05,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2022-03-03 18:26:05,686 INFO L402 AbstractCegarLoop]: === Iteration 247 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:05,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:05,687 INFO L85 PathProgramCache]: Analyzing trace with hash -393448680, now seen corresponding path program 10 times [2022-03-03 18:26:05,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:05,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740642411] [2022-03-03 18:26:05,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:05,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:06,398 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:06,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740642411] [2022-03-03 18:26:06,398 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740642411] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:06,398 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:06,398 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-03-03 18:26:06,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371237002] [2022-03-03 18:26:06,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:06,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-03 18:26:06,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:06,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-03 18:26:06,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2022-03-03 18:26:06,399 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) [2022-03-03 18:26:07,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:07,570 INFO L93 Difference]: Finished difference Result 611 states and 957 transitions. [2022-03-03 18:26:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-03 18:26:07,570 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 [2022-03-03 18:26:07,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:07,570 INFO L225 Difference]: With dead ends: 611 [2022-03-03 18:26:07,570 INFO L226 Difference]: Without dead ends: 556 [2022-03-03 18:26:07,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=328, Invalid=1154, Unknown=0, NotChecked=0, Total=1482 [2022-03-03 18:26:07,571 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 566 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-03-03 18:26:07,571 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] [2022-03-03 18:26:07,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-03-03 18:26:07,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 544. [2022-03-03 18:26:07,574 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) [2022-03-03 18:26:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 854 transitions. [2022-03-03 18:26:07,575 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 854 transitions. Word has length 116 [2022-03-03 18:26:07,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:07,575 INFO L470 AbstractCegarLoop]: Abstraction has 544 states and 854 transitions. [2022-03-03 18:26:07,575 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) [2022-03-03 18:26:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 854 transitions. [2022-03-03 18:26:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:07,576 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:07,576 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:07,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2022-03-03 18:26:07,576 INFO L402 AbstractCegarLoop]: === Iteration 248 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:07,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:07,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1734341648, now seen corresponding path program 11 times [2022-03-03 18:26:07,576 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:07,576 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941314982] [2022-03-03 18:26:07,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:07,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:08,116 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:08,116 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941314982] [2022-03-03 18:26:08,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941314982] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:08,116 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:08,116 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:08,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746329268] [2022-03-03 18:26:08,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:08,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:08,117 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:08,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:08,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:08,117 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) [2022-03-03 18:26:08,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:08,623 INFO L93 Difference]: Finished difference Result 634 states and 1002 transitions. [2022-03-03 18:26:08,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:26:08,623 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 [2022-03-03 18:26:08,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:08,624 INFO L225 Difference]: With dead ends: 634 [2022-03-03 18:26:08,624 INFO L226 Difference]: Without dead ends: 553 [2022-03-03 18:26:08,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2022-03-03 18:26:08,625 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 [2022-03-03 18:26:08,625 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] [2022-03-03 18:26:08,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2022-03-03 18:26:08,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 541. [2022-03-03 18:26:08,648 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) [2022-03-03 18:26:08,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 848 transitions. [2022-03-03 18:26:08,648 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 848 transitions. Word has length 116 [2022-03-03 18:26:08,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:08,648 INFO L470 AbstractCegarLoop]: Abstraction has 541 states and 848 transitions. [2022-03-03 18:26:08,648 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) [2022-03-03 18:26:08,648 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 848 transitions. [2022-03-03 18:26:08,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:08,649 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:08,649 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:08,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2022-03-03 18:26:08,649 INFO L402 AbstractCegarLoop]: === Iteration 249 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:08,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:08,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1670894522, now seen corresponding path program 12 times [2022-03-03 18:26:08,649 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:08,649 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138497316] [2022-03-03 18:26:08,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:08,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:09,193 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:09,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138497316] [2022-03-03 18:26:09,193 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138497316] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:09,193 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:09,193 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:09,193 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673605435] [2022-03-03 18:26:09,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:09,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:09,194 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:09,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:09,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:09,194 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) [2022-03-03 18:26:09,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:09,612 INFO L93 Difference]: Finished difference Result 533 states and 830 transitions. [2022-03-03 18:26:09,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:26:09,613 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 [2022-03-03 18:26:09,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:09,613 INFO L225 Difference]: With dead ends: 533 [2022-03-03 18:26:09,613 INFO L226 Difference]: Without dead ends: 384 [2022-03-03 18:26:09,613 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 [2022-03-03 18:26:09,613 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 [2022-03-03 18:26:09,613 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] [2022-03-03 18:26:09,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2022-03-03 18:26:09,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 372. [2022-03-03 18:26:09,616 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) [2022-03-03 18:26:09,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 555 transitions. [2022-03-03 18:26:09,616 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 555 transitions. Word has length 116 [2022-03-03 18:26:09,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:09,616 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 555 transitions. [2022-03-03 18:26:09,616 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) [2022-03-03 18:26:09,616 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 555 transitions. [2022-03-03 18:26:09,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:09,617 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:09,617 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:09,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2022-03-03 18:26:09,617 INFO L402 AbstractCegarLoop]: === Iteration 250 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:09,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:09,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1771492386, now seen corresponding path program 7 times [2022-03-03 18:26:09,617 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:09,617 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576251909] [2022-03-03 18:26:09,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:09,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:10,833 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:10,833 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:10,833 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576251909] [2022-03-03 18:26:10,833 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576251909] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:10,833 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:10,833 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:10,833 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247856848] [2022-03-03 18:26:10,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:10,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:10,834 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:10,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:10,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:10,834 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) [2022-03-03 18:26:11,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:11,316 INFO L93 Difference]: Finished difference Result 364 states and 540 transitions. [2022-03-03 18:26:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 18:26:11,316 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 [2022-03-03 18:26:11,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:11,317 INFO L225 Difference]: With dead ends: 364 [2022-03-03 18:26:11,317 INFO L226 Difference]: Without dead ends: 339 [2022-03-03 18:26:11,317 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 [2022-03-03 18:26:11,317 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 124 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-03-03 18:26:11,317 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] [2022-03-03 18:26:11,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2022-03-03 18:26:11,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2022-03-03 18:26:11,320 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) [2022-03-03 18:26:11,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 515 transitions. [2022-03-03 18:26:11,320 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 515 transitions. Word has length 116 [2022-03-03 18:26:11,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:11,320 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 515 transitions. [2022-03-03 18:26:11,320 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) [2022-03-03 18:26:11,320 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 515 transitions. [2022-03-03 18:26:11,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:11,321 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:11,321 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, 1, 1, 1] [2022-03-03 18:26:11,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2022-03-03 18:26:11,321 INFO L402 AbstractCegarLoop]: === Iteration 251 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:11,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:11,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1543685139, now seen corresponding path program 31 times [2022-03-03 18:26:11,321 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:11,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040967635] [2022-03-03 18:26:11,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:11,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:11,675 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:11,675 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:11,676 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040967635] [2022-03-03 18:26:11,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040967635] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:11,676 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:11,676 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:11,676 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430449936] [2022-03-03 18:26:11,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:11,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:11,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:11,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:11,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:11,676 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) [2022-03-03 18:26:12,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:12,058 INFO L93 Difference]: Finished difference Result 515 states and 781 transitions. [2022-03-03 18:26:12,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 18:26:12,058 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 [2022-03-03 18:26:12,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:12,059 INFO L225 Difference]: With dead ends: 515 [2022-03-03 18:26:12,059 INFO L226 Difference]: Without dead ends: 479 [2022-03-03 18:26:12,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=238, Unknown=0, NotChecked=0, Total=380 [2022-03-03 18:26:12,059 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 [2022-03-03 18:26:12,059 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] [2022-03-03 18:26:12,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-03-03 18:26:12,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 351. [2022-03-03 18:26:12,062 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) [2022-03-03 18:26:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 535 transitions. [2022-03-03 18:26:12,062 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 535 transitions. Word has length 116 [2022-03-03 18:26:12,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:12,062 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 535 transitions. [2022-03-03 18:26:12,063 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) [2022-03-03 18:26:12,063 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 535 transitions. [2022-03-03 18:26:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:12,063 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:12,063 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, 1, 1] [2022-03-03 18:26:12,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2022-03-03 18:26:12,063 INFO L402 AbstractCegarLoop]: === Iteration 252 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:12,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:12,063 INFO L85 PathProgramCache]: Analyzing trace with hash -16249973, now seen corresponding path program 32 times [2022-03-03 18:26:12,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:12,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856569582] [2022-03-03 18:26:12,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:12,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:12,461 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:12,461 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:12,461 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856569582] [2022-03-03 18:26:12,461 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856569582] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:12,461 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:12,461 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:12,462 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730634109] [2022-03-03 18:26:12,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:12,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:12,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:12,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:12,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:12,462 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) [2022-03-03 18:26:12,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:12,624 INFO L93 Difference]: Finished difference Result 559 states and 849 transitions. [2022-03-03 18:26:12,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 18:26:12,624 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 [2022-03-03 18:26:12,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:12,625 INFO L225 Difference]: With dead ends: 559 [2022-03-03 18:26:12,625 INFO L226 Difference]: Without dead ends: 525 [2022-03-03 18:26:12,625 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 [2022-03-03 18:26:12,625 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 156 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-03 18:26:12,625 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] [2022-03-03 18:26:12,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-03-03 18:26:12,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 354. [2022-03-03 18:26:12,628 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) [2022-03-03 18:26:12,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 542 transitions. [2022-03-03 18:26:12,628 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 542 transitions. Word has length 116 [2022-03-03 18:26:12,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:12,629 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 542 transitions. [2022-03-03 18:26:12,629 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) [2022-03-03 18:26:12,629 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 542 transitions. [2022-03-03 18:26:12,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:12,629 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:12,629 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:12,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2022-03-03 18:26:12,629 INFO L402 AbstractCegarLoop]: === Iteration 253 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:12,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:12,630 INFO L85 PathProgramCache]: Analyzing trace with hash -609113179, now seen corresponding path program 33 times [2022-03-03 18:26:12,630 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:12,630 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512940418] [2022-03-03 18:26:12,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:12,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:13,112 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:13,112 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512940418] [2022-03-03 18:26:13,112 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512940418] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:13,112 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:13,112 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:13,112 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265823607] [2022-03-03 18:26:13,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:13,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:13,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:13,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:13,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:13,112 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) [2022-03-03 18:26:13,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:13,335 INFO L93 Difference]: Finished difference Result 487 states and 726 transitions. [2022-03-03 18:26:13,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 18:26:13,335 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 [2022-03-03 18:26:13,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:13,336 INFO L225 Difference]: With dead ends: 487 [2022-03-03 18:26:13,336 INFO L226 Difference]: Without dead ends: 461 [2022-03-03 18:26:13,336 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 [2022-03-03 18:26:13,336 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 188 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-03-03 18:26:13,336 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] [2022-03-03 18:26:13,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2022-03-03 18:26:13,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 314. [2022-03-03 18:26:13,347 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) [2022-03-03 18:26:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 466 transitions. [2022-03-03 18:26:13,348 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 466 transitions. Word has length 116 [2022-03-03 18:26:13,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:13,348 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 466 transitions. [2022-03-03 18:26:13,348 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) [2022-03-03 18:26:13,348 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 466 transitions. [2022-03-03 18:26:13,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:13,349 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:13,349 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:13,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2022-03-03 18:26:13,349 INFO L402 AbstractCegarLoop]: === Iteration 254 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:13,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:13,350 INFO L85 PathProgramCache]: Analyzing trace with hash -66116567, now seen corresponding path program 34 times [2022-03-03 18:26:13,350 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:13,350 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695231773] [2022-03-03 18:26:13,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:13,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:13,869 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:13,869 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695231773] [2022-03-03 18:26:13,869 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695231773] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:13,870 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:13,870 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:13,870 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814294466] [2022-03-03 18:26:13,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:13,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:13,870 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:13,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:13,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:13,870 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) [2022-03-03 18:26:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:14,130 INFO L93 Difference]: Finished difference Result 430 states and 634 transitions. [2022-03-03 18:26:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 18:26:14,131 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 [2022-03-03 18:26:14,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:14,131 INFO L225 Difference]: With dead ends: 430 [2022-03-03 18:26:14,131 INFO L226 Difference]: Without dead ends: 355 [2022-03-03 18:26:14,131 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 [2022-03-03 18:26:14,132 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 [2022-03-03 18:26:14,132 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] [2022-03-03 18:26:14,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-03-03 18:26:14,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 314. [2022-03-03 18:26:14,134 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) [2022-03-03 18:26:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 465 transitions. [2022-03-03 18:26:14,134 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 465 transitions. Word has length 116 [2022-03-03 18:26:14,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:14,134 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 465 transitions. [2022-03-03 18:26:14,134 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) [2022-03-03 18:26:14,134 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 465 transitions. [2022-03-03 18:26:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:14,135 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:14,135 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, 1] [2022-03-03 18:26:14,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2022-03-03 18:26:14,135 INFO L402 AbstractCegarLoop]: === Iteration 255 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:14,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:14,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1861073411, now seen corresponding path program 35 times [2022-03-03 18:26:14,135 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:14,135 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103293133] [2022-03-03 18:26:14,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:14,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:14,881 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:14,881 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:14,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103293133] [2022-03-03 18:26:14,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103293133] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:14,882 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:14,882 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:14,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618721200] [2022-03-03 18:26:14,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:14,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:14,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:14,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:14,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:14,882 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) [2022-03-03 18:26:15,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:15,199 INFO L93 Difference]: Finished difference Result 405 states and 593 transitions. [2022-03-03 18:26:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 18:26:15,200 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 [2022-03-03 18:26:15,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:15,200 INFO L225 Difference]: With dead ends: 405 [2022-03-03 18:26:15,200 INFO L226 Difference]: Without dead ends: 330 [2022-03-03 18:26:15,200 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 [2022-03-03 18:26:15,200 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 [2022-03-03 18:26:15,200 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] [2022-03-03 18:26:15,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-03-03 18:26:15,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 289. [2022-03-03 18:26:15,202 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) [2022-03-03 18:26:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 415 transitions. [2022-03-03 18:26:15,203 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 415 transitions. Word has length 116 [2022-03-03 18:26:15,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:15,203 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 415 transitions. [2022-03-03 18:26:15,203 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) [2022-03-03 18:26:15,203 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 415 transitions. [2022-03-03 18:26:15,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:15,203 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:15,203 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:15,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2022-03-03 18:26:15,204 INFO L402 AbstractCegarLoop]: === Iteration 256 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:15,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:15,204 INFO L85 PathProgramCache]: Analyzing trace with hash 946234371, now seen corresponding path program 36 times [2022-03-03 18:26:15,204 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:15,204 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209474672] [2022-03-03 18:26:15,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:15,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:16,735 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:16,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209474672] [2022-03-03 18:26:16,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209474672] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:16,735 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:16,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:26:16,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090977156] [2022-03-03 18:26:16,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:16,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:26:16,735 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:16,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:26:16,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:26:16,736 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) [2022-03-03 18:26:17,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:17,286 INFO L93 Difference]: Finished difference Result 317 states and 442 transitions. [2022-03-03 18:26:17,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:26:17,287 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 [2022-03-03 18:26:17,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:17,287 INFO L225 Difference]: With dead ends: 317 [2022-03-03 18:26:17,287 INFO L226 Difference]: Without dead ends: 291 [2022-03-03 18:26:17,287 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 [2022-03-03 18:26:17,288 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 [2022-03-03 18:26:17,288 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] [2022-03-03 18:26:17,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-03-03 18:26:17,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 288. [2022-03-03 18:26:17,289 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) [2022-03-03 18:26:17,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 413 transitions. [2022-03-03 18:26:17,290 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 413 transitions. Word has length 116 [2022-03-03 18:26:17,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:17,290 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 413 transitions. [2022-03-03 18:26:17,290 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) [2022-03-03 18:26:17,290 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 413 transitions. [2022-03-03 18:26:17,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:17,290 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:17,291 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, 1, 1] [2022-03-03 18:26:17,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2022-03-03 18:26:17,291 INFO L402 AbstractCegarLoop]: === Iteration 257 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:17,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:17,291 INFO L85 PathProgramCache]: Analyzing trace with hash 832623681, now seen corresponding path program 37 times [2022-03-03 18:26:17,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:17,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727261354] [2022-03-03 18:26:17,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:17,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:18,851 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:18,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727261354] [2022-03-03 18:26:18,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727261354] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:18,851 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:18,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 18:26:18,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561070158] [2022-03-03 18:26:18,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:18,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 18:26:18,852 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:18,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 18:26:18,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-03-03 18:26:18,852 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) [2022-03-03 18:26:19,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:19,400 INFO L93 Difference]: Finished difference Result 313 states and 437 transitions. [2022-03-03 18:26:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 18:26:19,400 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 [2022-03-03 18:26:19,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:19,400 INFO L225 Difference]: With dead ends: 313 [2022-03-03 18:26:19,400 INFO L226 Difference]: Without dead ends: 288 [2022-03-03 18:26:19,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-03-03 18:26:19,401 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 [2022-03-03 18:26:19,401 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] [2022-03-03 18:26:19,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-03-03 18:26:19,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-03-03 18:26:19,403 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) [2022-03-03 18:26:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 410 transitions. [2022-03-03 18:26:19,403 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 410 transitions. Word has length 116 [2022-03-03 18:26:19,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:19,403 INFO L470 AbstractCegarLoop]: Abstraction has 288 states and 410 transitions. [2022-03-03 18:26:19,403 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) [2022-03-03 18:26:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 410 transitions. [2022-03-03 18:26:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:19,404 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:19,404 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, 1, 1, 1] [2022-03-03 18:26:19,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2022-03-03 18:26:19,404 INFO L402 AbstractCegarLoop]: === Iteration 258 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:19,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:19,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1256423225, now seen corresponding path program 38 times [2022-03-03 18:26:19,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:19,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758359566] [2022-03-03 18:26:19,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:19,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:20,076 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:20,076 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:20,077 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758359566] [2022-03-03 18:26:20,077 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758359566] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:20,077 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:20,077 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 18:26:20,077 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175610804] [2022-03-03 18:26:20,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:20,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 18:26:20,077 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:20,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 18:26:20,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-03-03 18:26:20,077 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) [2022-03-03 18:26:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:20,356 INFO L93 Difference]: Finished difference Result 310 states and 431 transitions. [2022-03-03 18:26:20,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 18:26:20,357 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 [2022-03-03 18:26:20,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:20,357 INFO L225 Difference]: With dead ends: 310 [2022-03-03 18:26:20,357 INFO L226 Difference]: Without dead ends: 222 [2022-03-03 18:26:20,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-03 18:26:20,357 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 109 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 18:26:20,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 349 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 18:26:20,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-03-03 18:26:20,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-03-03 18:26:20,359 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) [2022-03-03 18:26:20,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 304 transitions. [2022-03-03 18:26:20,359 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 304 transitions. Word has length 116 [2022-03-03 18:26:20,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:20,359 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 304 transitions. [2022-03-03 18:26:20,359 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) [2022-03-03 18:26:20,359 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 304 transitions. [2022-03-03 18:26:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-03 18:26:20,360 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:26:20,360 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:26:20,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2022-03-03 18:26:20,360 INFO L402 AbstractCegarLoop]: === Iteration 259 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 18:26:20,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:26:20,360 INFO L85 PathProgramCache]: Analyzing trace with hash -242398841, now seen corresponding path program 39 times [2022-03-03 18:26:20,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:26:20,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178765807] [2022-03-03 18:26:20,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:26:20,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:26:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:26:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-03-03 18:26:20,954 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:26:20,954 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178765807] [2022-03-03 18:26:20,954 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178765807] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:26:20,954 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:26:20,954 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 18:26:20,954 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861852632] [2022-03-03 18:26:20,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:26:20,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 18:26:20,954 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:26:20,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 18:26:20,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-03-03 18:26:20,955 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) [2022-03-03 18:26:21,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:26:21,351 INFO L93 Difference]: Finished difference Result 206 states and 273 transitions. [2022-03-03 18:26:21,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 18:26:21,352 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 [2022-03-03 18:26:21,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:26:21,352 INFO L225 Difference]: With dead ends: 206 [2022-03-03 18:26:21,352 INFO L226 Difference]: Without dead ends: 0 [2022-03-03 18:26:21,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2022-03-03 18:26:21,352 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 [2022-03-03 18:26:21,352 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] [2022-03-03 18:26:21,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-03 18:26:21,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-03 18:26:21,353 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) [2022-03-03 18:26:21,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-03 18:26:21,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2022-03-03 18:26:21,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:26:21,353 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-03 18:26:21,353 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) [2022-03-03 18:26:21,353 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-03 18:26:21,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-03 18:26:21,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-03 18:26:21,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-03 18:26:21,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-03 18:26:21,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-03 18:26:21,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-03 18:26:21,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-03 18:26:21,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-03 18:26:21,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2022-03-03 18:26:21,359 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] [2022-03-03 18:26:21,361 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 18:26:21,361 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 18:26:21,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:26:21 BasicIcfg [2022-03-03 18:26:21,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 18:26:21,362 INFO L158 Benchmark]: Toolchain (without parser) took 284496.55ms. Allocated memory was 157.3MB in the beginning and 815.8MB in the end (delta: 658.5MB). Free memory was 98.4MB in the beginning and 332.7MB in the end (delta: -234.3MB). Peak memory consumption was 425.5MB. Max. memory is 8.0GB. [2022-03-03 18:26:21,363 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 157.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:26:21,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.02ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 98.3MB in the beginning and 142.3MB in the end (delta: -44.0MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2022-03-03 18:26:21,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.82ms. Allocated memory is still 188.7MB. Free memory was 142.3MB in the beginning and 139.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 18:26:21,363 INFO L158 Benchmark]: Boogie Preprocessor took 22.26ms. Allocated memory is still 188.7MB. Free memory was 139.7MB in the beginning and 137.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 18:26:21,363 INFO L158 Benchmark]: RCFGBuilder took 286.96ms. Allocated memory is still 188.7MB. Free memory was 137.6MB in the beginning and 122.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-03-03 18:26:21,363 INFO L158 Benchmark]: TraceAbstraction took 283608.98ms. Allocated memory was 188.7MB in the beginning and 815.8MB in the end (delta: 627.0MB). Free memory was 122.4MB in the beginning and 332.7MB in the end (delta: -210.3MB). Peak memory consumption was 417.8MB. Max. memory is 8.0GB. [2022-03-03 18:26:21,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 157.3MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 531.02ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 98.3MB in the beginning and 142.3MB in the end (delta: -44.0MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.82ms. Allocated memory is still 188.7MB. Free memory was 142.3MB in the beginning and 139.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.26ms. Allocated memory is still 188.7MB. Free memory was 139.7MB in the beginning and 137.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 286.96ms. Allocated memory is still 188.7MB. Free memory was 137.6MB in the beginning and 122.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 283608.98ms. Allocated memory was 188.7MB in the beginning and 815.8MB in the end (delta: 627.0MB). Free memory was 122.4MB in the beginning and 332.7MB in the end (delta: -210.3MB). Peak memory consumption was 417.8MB. 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: 283.5s, OverallIterations: 259, TraceHistogramMax: 10, PathProgramHistogramMax: 39, EmptinessCheckTime: 0.3s, AutomataDifference: 142.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65386 SdHoareTripleChecker+Valid, 89.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65386 mSDsluCounter, 165352 SdHoareTripleChecker+Invalid, 77.1s 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, 87.2s 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: 3.4s AutomataMinimizationTime, 259 MinimizatonAttempts, 79778 StatesRemovedByMinimization, 251 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 129.7s 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! [2022-03-03 18:26:21,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...